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CastleCops            Microsoft MVP
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StartupList Index

Currently 12015 startuplist entries and growing...
Last updated on 2005-11-29 19:58:41 Eastern.
!! THESE ARE STARTUP PROGRAMS AND NOT TASK MANAGER PROCESS ITEMS !!


For more information on startup programs, including how to identify them and the information required for submitting additions to this list please refer to Content & Info. Reprinted with permission from Paul Collins who owns the copyright to the list. CastleCops also adds additional items that may not be in the original list but attempts are made to ensure the original is also updated. The full HTML list is here.

CastleCops is now hosting the official Pacs-portal forums. CastleCops has also cross-referenced startup entries with our File Hash database where appropriate. Comments or questions can be fielded here.

KEY:
  • "Y" - Normally leave to run at start-up
  • "N" - Not required - typically infrequently used tasks that can be started manually if necessary
  • "U" - User's choice - depends whether a user deems it necessary
  • "X" - Definitely not required - typically viruses, spyware, adware and "resource hogs"
  • "?" - Unknown

  •   


    Full List

    NameStatusFilenameDescription
    WinCheckXservices.exeAdded by the W32.Sober.V WORM! Note: This worm file is found in the Windows\ConnectionStatus\Microsoft or Winnt\ConnectionStatus\Microsoft folder.
    WindowsXservices.exeAdded by the W32.Sober.X WORM! Note: This is not the legitimate Windows process services.exe (Which is always found in the System32 folder.) This worm file is found in the Windows\WinSecurity or Winnt\WinSecurity folder.
    !1_pgaccountYpgaccount.exeDiamondCS ProcessGuard security software - stops malicious worms and trojans from being executed silently in the background, as well as a variety of other attacks. You will see one instant of pgaccount.exe for every active account on your system, and this is essential for PG to work properly
    !1_ProcessGuard_StartupYprocguard.exeDiamondCS ProcessGuard security software - stops malicious worms and trojans from being executed silently in the background, as well as a variety of other attacks.
    !NoLoadUwinrecon.exeWinRecon - surveillance software that creates records of everything people do on a computer, ie, spying or monitoring depending upon how you call it
    $EnterNetUEnternet.exeConnection manager for the EnterNet ISP. You can also use RASPPOE
    $sys$cmpX$sys$xp.exeAdded by the Backdoor.Ryknos.B TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder. Attempts to utilize the Sony Rootkit A.K.A. SecurityRisk.First4DRM security risk to hide itself on the compromised computer.
    $sys$drvX$sys$drv.exeAdded by the Backdoor.Ryknos TROJAN! Attempts to utilize the Sony Rootkit A.K.A. SecurityRisk.First4DRM security risk to hide itself on the compromised computer.
    $WindowsRegKey%updateXIEXPLORE.EXEAdded by a W32/Rbot-EZ WORM! Note - this is not the legitimate Internet Explorer iexplorer.exe process, it should not appear in Msconfig/Startup unless you add it manually!
    %cmpmixtitle%?%cmpmixstr%Possibly related to C-Media Mixer Control panel?
    %FP%012-L2TP fts.exe?fts.exe012.Net ISP software - what does it do and is it required?
    %FP%012-L2TP FWPortal.exe?FWPortal.exe012.Net ISP software - what does it do and is it required?
    %FP%1776 Internet fts.exe?fts.exe1776 Internet ISP software - what does it do and is it required?
    %FP%1776 Internet FWPortal.exe?FWPortal.exe1776 Internet ISP software - what does it do and is it required?
    %FP%Barak013 fts.exe?fts.exe Barak013 ISP software - what does it do and is it required?
    %FP%Barak013 FWPortal.exe?FWPortal.exe Barak013 ISP software - what does it do and is it required?
    %FP%Friendly fts.exe?fts.exeFriendly ISP software - what does it do and is it required?
    (*)API MachineXwinSOCKS.exeHomepage hijacker, see here (* = any digit)
    (*)RunXwin32API.exeHomepage hijacker, see here (* = any digit)
    (default)X(random filename).exeAdded by the BLACKMAL VIRUS!
    (Default)XSystrsy.exe Added by the Trojan.Cdtray TROJAN! Note: This trojan file is found in the Internet Explorer folder.
    (default)Xllsass.exeAdded by the TROJ/PROXY-GG TROJAN!
    (Default)Xwebcam.exeAdded by the Troj/Monad-A TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    (Entry name)XSystem.exeAdded by the Troj/Nethief-N Trojan!
    (L4r1$$4) (4nt1) (V1ruz)XSP00Lsv32.pifAdded by the ASSIRAL.B WORM!
    (no name)Xpathex.exeAdded by the TROJ/MKMOOSE-A WORM!
    (Original file name)Xsvchost.scrAdded by Troj/Bancban-CX and Troj/Bancban-DA TROJANS!
    (Original filename)Xxphost.scrAdded by the Troj/Bancban-HM TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    (Original Trojan filename)XInstall.exeAdded by the Troj/Bancban-FS TROJAN! Note: This trojan file is found in the Windows or Winnt folder.
    (random 12 digit number)Xactxprxy.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xavicap32.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xbrowser8.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xavifile5.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xbootvid4.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xcdmodem4.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xacctres8.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xautodisc.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xcabview1.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xatitvo32.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xadvpack1.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xbatmeter.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xbidispl2.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xasferror.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xcatsrvps.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xaudiosrv.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xadmparse.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xbootvid2.exe Adsrv.com/IeDriver adware variant
    (random 12 digit number)Xcmpbk321.exe Adsrv.com/IeDriver adware variant
    (Random characters)Xsecurewinload32x.exeAdded by the Troj/OptixP-N TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder. The file system32dir2a.exe will also be found in the same folder and should be deleted.
    (random name)X(random filename)Added by the Troj/StartPa-GL Trojan! Found in the WINDOWS or Winnt directory.
    (Random number)Xexplorer.exeAdded by the Troj/Keylog-AN TROJAN! Note: This trojan file is found in the Windows\service or Winnt\service folder, be sure to check the link for this one, It copies it's self under 9 additional file names, all in the Windows\service or Winnt\service folder.
    (random)Xlsass.scrAdded by Troj/Bancban-CW Trojan!
    (random)Xsvchost.scrAdded by Troj/Bancban-CY Trojan!
    (Random)Xsvshost.exeAdded by the W32/Kelvir-AX WORM! Note: This worm\trojan file is found in the System\(random folder name) (95/98/ME) or System32\(random folder name) (NT/2000/XP) folder.
    (Randomly chosen existing folder name)X_cfg.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_login.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_start.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_config.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_autorun.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_loader.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_env.exeAdded by the W32/Antinny-L WORM!
    (Randomly chosen existing folder name)X_setup.exeAdded by the W32/Antinny-L WORM!
    (Registry Value Name)Xroses.exeAdded by the W32/Rbot-AFT Worm!
    (Unknown)Xcharmapnt.exeAdded by the Troj/Bancos-DR TROJAN!
    (User name) configX(Path to Trojan exe)Added by the Troj/Mosuck-H TROJAN!
    (various file names)Xmediaplayer32.exeAdded by a variant of the WIN32.RBOT WORM!
    (various file names)Xbling.exeAdded by the W32/RBOT-NI WORM!
    (various names)Xwin32snd.exeAdded by the W32/RBOT-DQ WORM!
    (various names)Xsvchostss.exeAdded by a variant of the WIN32.RBOT WORM!
    (various names)XPasswdMon.exeTROJAN! - part of Wareout, malware masquerading as a spyware and dialer remover, see here
    (various names)Xrunload32.exeTROJAN! - part of Wareout, malware masquerading as a spyware and dialer remover, see here
    *JanisRuckenbrodIIXjanis.comAdded by the POPS VIRUS!
    *Microsoft UpdateXwucxt.exeAdded by the W32.HLLW.STMU TROJAN!
    *Microsoft UpdateXwuytc.exeAdded by the W32.HLLW.STMU TROJAN!
    *Microsoft UpdateXctxma.exeAdded by the W32.HLLW.STMU TROJAN!
    *Microsoft UpdateXwstcl.exeAdded by the W32.HLLW.STMU TROJAN!
    *Microsoft UpdateXcxma.exeAdded by the W32.HLLW.STMU TROJAN!
    *microsoft updateXcxma.exeAdded by the W32.HLLW.STMU TROJAN
    *MS SetupX[random file name]Virtumondo adware, also known as the VUNDO TROJAN!
    *Security CenterXsecctr.exeAdded by the SDBOT.BRO WORM!
    *StateMgrYstatemgr.exeWindows ME default for System Restore. Do NOT disable!
    *windows updateXwurauclt.exeAdded by the W32/RBOT-SY WORM!
    *windows updateXwsctl.exeAdded by the SPYBOT.PR WORM!
    *windows updateXwscxt.exeAdded by the RBOT.AOS WORM!
    *windows updateXwkmst.exeAdded by the SDBOT.AVD WORM!
    *windows updateXwuaucrlt.exeAdded by the SPYBOT.HUR WORM!
    *windows updateXwaurclt.exeAdded by a variant of the WIN32.RBOT WORM!
    *WinLogonX[trojan path] ren time:[random number]Added by the VUNDO TROJAN!
    *winstatsXwinstats.exeAdded by the Trojan.Gargafx TROJAN! Note: This trojan file (winstats.exe) is found in the Windows or Winnt folder.
    *wuauclt.exeXw****.exe (* = random char)Added by a variant of the W32/RBOT-UG WORM! - NOTE: * in the file name represents a random char; variants spotted: wxmct.exe, wtmsv.exe, wxmst.exe, wmsvc.exe and so on...
    *wuauclt.exeXwmsvc.exeAdded by the W32/RBOT-UG WORM!
    ,main drive LoaderXwininfo.exeSuspected malware as it appears in 3 different registry locations - see here
    .mscdrXlassa.exeAdded by the WEBUS.C TROJAN!
    .mscdrXlsvchost.exeAdded by the WEBUS.D TROJAN!
    .mscdsrXlsvchost.exeAdded by the Troj/Bdoor-CR Trojan!
    .mscsblXsvhost.exeAdded by the BACKDOOR-CMQ TROJAN!
    .msfupdateXmsveup.exeAdded by the W32.ALLOCUP.A WORM!
    .mssecureXmssecure.exeAdded by the DDOS_BOXED.X TROJAN!
    .mssecureXmssecure.exeAdded by the Troj/Borobot-B Trojan!
    .NET config?sysmon32.exe??
    .nortonXrchost.exeAdded by a variant of the BOXED-A TROJAN!
    .ProgXservices.exeAdded by the NEVEG.B or NEVEG.C WORMS! Note - this is not the valid Windows Service Controller (services.exe ) process
    .ProgXwinlogon.exeAdded by NEVEG.A WORM! Note - this is not the valid Windows Logon winlogon.exe process
    .svchostXCSRSS.EXEAdded by the WEBUS.F TROJAN! - NOTE - this file is placed in the Winnt\System or Windows\System folder, and should NOT be confused with the legitimate Windows Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    .TEXTCONVXcsrss.exeAdded by the WEBUS TROJAN! Note - this is not the valid Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling
    .WMAudioXcsrss.exeAdded by the WEBUS TROJAN! Note - this is not the valid Client Server Runtime Subsystem csrss.exe process" which provides text window support, shutdown, and hard-error handling
    .WMAudioXlsass.exeAdded by a Webus.B trojan infection. Note - this is not the legitimate Lsass.exe system file, which should normally NOT figure in Msconfig/Startup
    /l:engNN/ARelated to the Dell OEM version of the Sound Blaster Audigy 2 sound card. If this item is listed and checked in startup, the System32 Folder will appear on every startup
    000Upit.exeAdded by the PrivateEye SPYWARE! **Note - If you did not intentionally install this remove it.
    000hpdllhosXhpdllhost.exe LZIO.com adware downloader
    000StTHKU000StTHK.exeToshiba Hot key functionality for the function keys (Fn-Esc, Fn-F1 (lock), Fn-F2, Fn-F3, Fn-F4, Fn-F5 (switching between laptop and CRT display output), etc...)
    0050726-007-i32-1X0050726-007-i32-1.exeAdded by the Troj/Bancban-EC TROJAN!
    00DSKSVR00Ndesksaver.exeRelated to Advanced_Desktop_Shield
    00DSKSVR01Ndesksaver.exeRelated to Advanced_Desktop_Shield
    00THotkeyU00THotKey.exeFor Toshiba Satellite notebook series to use the front buttons, play, stop, next, prev.
    0190 WarnerUWARN0190.EXEAnti-dialer program (Germany)
    0900 WarnerUWARN0900.EXEAnti-dialer program (Germany)
    0utlook ExpressX*****.exe (where * = random char)Added by the W32/RBOT-CC WORM!
    1X1.exeAdded by the ESTEEMS TROJAN!
    1Xsvchost.scrAdded by PWSteal.Bancos.X Trojan.
    1Xlsass.scrAdded by the PWSteal.Bancos.V TROJAN!
    11Xfaxcomdos.exeAdded by the Tuimer TROJAN!
    1111swapmgr.exeX1111swapmgr.exeAdded by the BDOOR-IC TROJAN!
    123456Xrundll32.exe shell32.dll, Control_RunDLL ...123456.cplAdded by the KITRO.C (or DANDI.A) VIRUS! 123456 can be any random 3 to 6 digit number
    12Ghosts Popup-KillerU12popup.exe12Ghosts Popup-Killer
    17779Proj2002?N/A??
    180adsolutionX180adsolution.exe 180Solutions/N-Case adware variant
    180axX180ax.exe 180Solutions/N-Case adware variant
    180ClientStubInstallXstubinstaller****.exe (* = digit) 180Solutions adware related
    180ClientStubInstallX******.exe (* = random digit/character) 180Solutions adware related
    180ClientStubInstallX******.tmp (* = random digit/character) 180Solutions adware related
    1:Nhpdrv.exeHP utility for monitoring when and how many recoveries have been done
    1A:MacVisionTrayMonitorNTrayMonitor.exeComes with the MacVision program for monitoring tray icons (Note : program is by Stardock)
    1A:Stardock MCPYmcpserver.exeMaster Control Program for Stardock apps, in development. People should leave it running if they're using any of the Stardock applications
    1A:Stardock TrayMonitorYTrayServer.exeFor monitoring tray icons - if disabled icons will not be displayed in ObjectBar or DesktopX
    1CmailS?NETMAIL.EXE??
    1on1X1on1.exeAdult content dialler
    1Srv32USpyAgent4.exeSpyTech SpyAgent monitoring software. "Spy software that allows you to monitor EVERYTHING users do on your PC."
    1Win32CfgUSpyBuddy.exeSpyBuddy monitoring software
    1Win32CfgUKeyloggerpro.exeKeyloggerPro - monitoring software
    1WinCfg32X"\WebMailSpy.exeAdded by WebMailSpy SPYWARE!
    2020DownloaderXmssvr.exe2020Search Toolbar related. Reported to be auto-installed
    252Xwinmgr.exeAdded by the Troj/LegMir-AT TROJAN!
    27Xslsorve.exeAdded by the SLSORVE-A TROJAN!
    27Xcsrss32.exeAdded by the TROJ/SLSORVE-D TROJAN!
    27Xmsm32.exeAdded by the TROJ/SLSORVE-E TROJAN!
    2kadirasY2kadiras.exe Allied_Telesyn AT series router/modem related - apparently required
    2thousandbuckX(path to file)Added by the RANKY.L TROJAN!
    2wSysTrayU2portalmon.exe2Wire Homeportal user interface
    32-bit Thunking serviceXthunk32.exeAdded by the W32.Derdero.A WORM!
    357AA41A-B7A8-4632-A27D-5B980B25CF43X[path to svchost.exe]Added by the SMALL-AQ TROJAN!
    357AA41A-B7A8-4632-A27D-5B980B25CF43Xservices.exeAdded by FakeMessage/AdRotator adware - NOTE - this file is placed in a Winnt\System32\Inetserv or Windows\System32\Inetsrv folder, and should NOT be confused with the legitimate Windows services.exe process, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    3c1807pdY3cmlink.exe 3cpipe-3c1807pd3Com WinModem driver. See here for more WinModem information
    3capplnkY3capplnk.exeUS Robotics Modem driver
    3cdminicN3CDMINIC.EXE3Com DMI (DynamicAccess Desktop Management Interface) Agent associated with 3Com network cards
    3CM LinkY3cmcnkw.exeRequired for a US Robotics WinModem as it provides the link to Windows - won't work without it.
    3CmlinkY3CmlinkW.exeFor a US Robotics WinModem. Provides the link to Windows as the CPU does the processing on WinModems - won't work without it. See here for more WinModem information
    3ComDMIAgentN3CDMINIC.EXE3Com DMI (DynamicAccess Desktop Management Interface) Agent associated with 3Com network cards
    3D TextN3D Text.scrAdded by the JERMY.A VIRUS!
    3Deep Control PanelU3DeepCTL.EXEFrom LightSurf Technologies (nee E-Color) - 3Deep corrects lighting, shading and color for all your 2D and 3D games
    3Dfx AccXGFXACC.EXEAdded by the GIBE VIRUS!
    3dfx Task ManagerN3dfxMan.exeSystem Tray application for 3dfx Voodoo 3/4/5 functions. Available via Start -> Programs
    3dfx ToolsY3dfxCmn.dllUpdates the registry with information that can't be held for Voodoo 3/4/5 series graphics cards. Important for owners of these cards
    3dfxv2ps.dllY3dfxv2ps.dllUpdates the registry with info that can't be held for 3dfx Voodoo 2 video cards. Important for owners of these cards
    3Dlabs Taskbar Display Manager?3DLman.exe3DLabs graphics driver related. System Tray access to display settings?
    3DLabsHelperDemonU3dldemon.exeDirectly from the programs author "It is a tiny program that is installed by the Permedia2/3 and probably other Oxygen-series cards. Normally it sits in the background doing nothing at all (sleeping on a semaphore), so it should take zero CPU time and virtually zero memory, since it will all be paged out to the hard drive." In most cases it can be safely disabled
    3DMouse.EXEY3DMouse.EXEDritek System Inc. 3D Mouse driver
    3d_soundX3d_sound.exeAdded by the Troj/Riados-A TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    3qdctl.exeU3qdctl.exeProvided with Terratec 128i PCI and similar sound cards. Loads a sound profile at bootup, restoring volume and other audio settings to a pre-determined default. Similar to Creative Lab's AudioHQ
    3ware 3DMY3dm.exeMonitors status of the disk array on 3ware IDE RAID controllers
    4wd!!!XNatal!.pifAdded by the OPASERV.AI VIRUS!
    5-1-61-96Xmembers-area.exeAdult content dialler
    5-2-46-112X5-2-46-112.exeAdult content pop-up dialler. Removal instructions here
    55278Xgrepclient1.exeAdded by the Troj/Lineage-S Trojan!
    5p4mX(Path to Trojan)Added by the Troj/Litebot-C TROJAN!
    666XSka.exeAdded by the Troj/Pipes TROJAN!
    678Xlsas32.exeAdded by the Troj/Slsorve-C TROJAN!
    98D0CE0C16B1Xrundll32.exe D0CE0C16B1,D0CE0C16B1 BrowserAid/Startium parasite related
    9xadirasY9xadiras.exe Allied_Telesyn AT series router/modem related - apparently required
    9xHtProtectXAVprotect9x.exeAdded by the W32.NETSKY.M WORM!
    ;RundllX(random filename)Added by the PWSLEGMIR.E VIRUS!
    XRegsrv32.comAdded by the SOUTHGHOST VIRUS!
    XApp.exeAdded by the WAXPOW VIRUS! where <filename> is the executed filename
    Xwincpu.exeAdded by an unidentified VIRUS!
    Xelf.exeElf is a hacker program, tied to a trojan server
    ?ekio StartupsX?nksvc32.exeAdded by the W32/AGOBOT-OV WORM!
    @Xregedit -s ..win.dllAdded by the SEEKER.K VIRUS!
    @Hoc ToolbarNAtHoc.exeOne-click activated browsing toolbar used by various web-sites. See here for more info
    @lohaNreminder.exeRegistration reminder for @loha@home E-mail utility
    @tour_wwX@tour_ww[1].exeAdult content dialler
    aXa.exeCommercials file that registers itself in the system registry and redirects IE to a certain commercial website
    aXjesse.exeAdded by the W32/Melo-A WORM! Note: This worm file is found in the system32\drivers\etc folder.
    A New Windows UpdaterXw32NTupdt.exeAdded by W32.Mytob.BM WORM!
    a-squaredUa2guard.exe a-Squared antitrojan - can be run on demand, but necessary in Startup, if you prefer the a² 'Background Guard' real time protection feature
    a-winpoet-serviceYwinpppoverethernet.exeWinPoET is the industry's first Windows-based PPP over Ethernet client. Developed by iVasion, WinPoET is attractive to equipment providers, modem suppliers, RBOCs and ISPs. For more info read here. It uses dial-up networking for new high-speed internet customers who are more familiar with analogue modems. If unchecked in MSCONFIG it reports Error 360 - Hardware Error in dial-up networking
    A1000 Settings UtilityUcpqa1000.exeCompaq A1000 Print Fax All-in-One copy scan printer software. Required in the Startup in order to scan, print, copy and fax. Only required if you use these features
    A4ProxyUA4Proxy.exeAnonymity 4 Proxy - local proxy server that makes you anonymous when visiting web sites
    A70F6A1D-0195-42a2-934C-D8AC0F7C08EBXrundll32.exe E6F1873B.DLL,D9EBC318C BrowserAid/Startium parasite related
    AAACLEAN?AAACLEAN.INF??
    AAAKeyboard?????
    AAATraySaverNTraySaver.exeSystem Tray management utility from Mike Lin which allows you to hide, show, restore icons that are lost in an Explorer crash, remove dead tray icons, minimize any window to the System Tray
    AAKUaak.exeAdvanced Anti-Keylogger - "Anti-spy software to prohibit operation of any keyloggers currently in use or presently being developed anywhere"
    AaouXamee.exe PurityScan/Clickspring adware
    AappXadprot AdBlaster adware
    aauclient?ACNUpdater.exeAppears to be related to software from Accenture.com - what does it do and is it required?
    ab EazyScheduler?ezsched.exe??
    ABBYY Community AgentNCAGENT.EXEInstalled with the Optical Character Recognition (OCR) software that comes bundled with a Compaq A3000 all-in-one printer/scanner. Its function appears to be to link you to the internet in an attempt to buy the 5.0 version of the software
    ABCXkeylogger.exeMonitors keystrokes so you can check if someone has typed anything while your away from your PC. Reported as spyware by SpyCop in their FAQ
    abcdefghXabcdefgh.exeMalware - detected by Panda antivirus as the DOWNLOADER.EPJ TROJAN!
    ABITEQNabiteq.exeMonitoring utility for ABIT Motherboards. Displays system voltages, temperatures and fan speeds.
    Absolute ShieldUdseraser.exeAbsolute Shield/Evidence Eliminator - iternet history eraser
    Absolute StartUp monitorUASMon.exeAbsolute Startup - startup monitor from F-Group Software
    ABsrXabsr.exeAdded by the AUTOUPDER VIRUS!
    absrXmwsvm.exeSeekSeek search hijacker related - as seen here
    abtuXmp3serch.exeLoads the executable for Lop.com. mp3serch.exe is the final version whilst lopsearch.exe is the beta version
    abtuXlopsearch.exeLoads the executable for LOP adware - mp3serch.exe is the final version whilst lopsearch.exe is the beta version
    AbyssWebServerUabyssws.exeAbyss web server
    AcBtnMgr_XxxYAcBtnMgr_Xxx.exeAssociated with the Lexmark Xxx (where "xx" is the model) all-in-one printer/scanner/copier. Required for correct operation
    accUacc.exeAdvanced Call Center - "full-featured yet easy-to-use answering machine software for your voice modem"
    ACCDEFRAGINFOX(path to file)Added by the W32/Darby-O WORM!
    AccelerateUaccelerate.exeWebroot Accelerate - allows you to optimize Windows network registry settings in order to boost surfing speeds. Leave this enabled if you find it improves your connection
    Access Ramp MonitorNarmon32.exeMonitors your progress on the internet; hang-ups, connection speeds, internet congestion and traffic flow. It prevents some games from running also. To disable the Access Ramp Monitor (1) Open Windows Explorer (2) Open the Program Files folder (3) Open the MindSpring folder (4) Open the AccessRamp folder (5) Double-click on the ARMCfg32.exe file (6) Uncheck Enable Dialup Monitor and click OK (7) Restart the computer and try again
    Access WebControlX[path to file]Added by the TROJ/PPDOOR-M TROJAN!
    AccessManagerUAccessMgr.exePart of SmartPipes SecureSite software - "SecureSite enables rapid turnup and enhanced administration of VPNs. It automates and simplifies tasks for VPN design and policy management, access control management, and key management"
    AccessMedia P2P LoaderXamp2pl.exeMy AccessMedia toolbar related, stealth installed!
    AccessoriesPlusUclockplus.exe"Clock Plus", part of Accessories_Plus allows you to select from dozens of alternatives for the Windows clock.
    AccessRamp Monitor01NARMon32a.exeFrom a visitor "Just wanted to provide you with some info on Access Ramp software installed with Verizon DSL accounts in those areas that use the Winpoet PPPoE software. The Access Ramp TSRs are installed as part of IP Insight software (can't remember the software maker). You can decline to install IP Insight during Winpoet setup, or go into Add/Remove programs uninstall IP Insight by hand if it's already installed. It really doesn't do a darn thing for you. It was intended to help DSL techs monitor QoS, but the backend part was never implemented (at least as of earlier this year). This will not affect the user's ability or inability to access their DSL service."
    AccessRampLAN01NARUpld32.exeVersion of the above for LAN connections - a history uploader. The key in turning it off is a file named ARUCfg32.exe. This file (ARUCfg32.exe) does not show up in the startup process. If you have this file, you can execute it and remove all the monitoring activities it does. Removing all the checks in all the boxes (both tabs) still calls ARUpld32.exe to start when you start the dial up. You can block it from sending info if you have Zone Alarm installed. Renaming the extension of ARUCfg32.exe to ARUCfg32.exe1 works. The ARUpld32.exe is not loaded when launching the dial up client. Written by IP Insight and also included with Earthlink Total Access 2003
    AcctMgrUAcctMgr.exeNorton™ Password Manager - part of Norton SystemWorks 2004 - stores passwords and other personal information, and retrieves the data needed for email logins, shopping orders, banking, and other online activities—all from the safety of your own PC
    AccuWeather.com® DesktopN??Desktop weather from AccuWeather.com
    accwizz.exeXaccwizz.exeAdded by the W32.Ruland.A WORM!
    accwizzz.exeXaccwizzz.exeAdded by the W32.Ruland.A WORM!
    Acecad.WtxploadYWtxpload.exe Acecaddriver for an AceCad USB Graphics Tablet
    AceGain LiveUpdateNLiveUpdate.exe AceGain_LiveUpdate . "AceGain LiveUpdate provides a fully managed and customizable LiveUpdate platform that seamlessly integrates with a game. As soon as an update is made available, AceGain manages the alert, download and installation as well as version control and user network preferences."
    AcerGotoUAcerGoto.exeAcer Computer "Goto Drive" Cold Swap Driver - a swappable second disk drive provides convenient backup of large files, or easy importation of data from user's previous computer.
    AcerNotebookManagerUalmxptray.exeSystem Tray access on some Acer Notebooks to give faster access to system settings
    AcerPowerkeyUPowerkey.exePowerKey utility for Acer TravelMate notebook PCs. Allows the user to quickly switch between different power schemes by pressing Fn F3
    AceuX[random file name] PurityScan/Clickspring adware
    AceUtilsNau.exeRelated to Ace Utilities from Acelogix_Software Note: this is NOT to be confused with the au.exe used by the BEAGLE.B worm!
    AClntUsrUAClntUsr.exeAltiris AClient Service Windows Tray Icon
    Acme.PCHButtonNpchbutton.exeUsed by HP Instant Support
    ACMonitor_XxxYACMonitor_Xxx.exeAssociated with the Lexmark Xxx (where "xx" is the model) all-in-one printer/scanner/copier. Required for correct operation
    acocashXfastdown.exe, fastfown.exeAdult content dialler
    Acombo3dmouseUAcombo3d.exeMouse driver - required if you use non-standard Windows driver features
    AcontiXaconti.exeAdult content dialler
    acousticUacoustic.exeControl panel program for Philips Acoustic Edge soundcard. Not required unless changed settings aren't retained
    acpartNagpart11.exeProgram for finding trucks on-line
    Acrobat AssistantUACROTRAY.EXEUsed to create PDF files with Acrobat Distiller. For Win9x/Me systems you can run this file manually beforehand. For WinXP systems this file must run at startup. Hence the "U" recommendation
    Acronis Scheduler2 ServiceUschedhlp.exePart of Acronis True Image - backup software. Co-operates with the "schedul2.exe" servuce to perform backup/restore tasks correctly. Required if you want to use TrueImage to do some real backup/restore tasks - not if you only want to explore/mount images
    Acronis True Image MonitorNTrueImageMonitor.exePart of Acronis_True_Image - backup software. Can be disabled without affecting TrueImage
    Acronis TrueImage MonitorNTrueImageMonitor.exePart of Acronis True Image - backup software. Can be disabled without affecting TrueImage
    AcronisTrueImage MonitorNTrueImageMonitor.exePart of Acronis_True_Image - backup software. Can be disabled without affecting TrueImage
    Action Manager 32Nam32.exeAssociated with a Plustech scanner. Small utility that runs in the background for doing fax/copy/etc. Available via Start -> Programs
    ActionAgent?actionagent.exe"A COM server that runs on the client as part of the Dell OpenManage Client Instrumentation 6.x package; provides a simple method for a remote administrator to perform actions on the instrumented client". Is it required?
    ActivationNActivation.exePart of Microsoft Money
    ActivboardUMMKeybd.exePackard Bell ActiveBoard keyboard - multimedia keyboard manager. Required if you use the additional keys and want to see the status of the Num Lock, Caps Lock, Scroll Lock keys
    Active Bit StationXabs.exeAdded by the W32.MYTOB.BZ WORM!
    Active Email MonitorUaem25.exe Active_Email_Monitor checks multiple accounts for email, serves as a SPAM filter and can also protect you from harmful items that can be sent via email.
    Active shieldUActiveshield.exe Active_Shield is "an heuristic screen that actively protects your computer from trojans, spyware, adware, trackware, dialers, keyloggers, and even some special kinds of viruses["
    ActiveDesktopXsystray32.exeAdded by the DABOOM VIRUS!
    ACTIVEDSXACTIVEDS.EXEAdded by the OPASERV.T VIRUS!
    ActiveEyesNActiveEyes.exeActiveEyes from TFI Technology
    ActiveMenuUActiveMenu.exeWild Tangent demo games that come with some HP computers. Unchecking it can prevent the games from running occasionally. Note that WildTanget's privacy policy used to state that they also collect and share individuals information but this is no longer the case
    ActivePlusUactiveplus.exeInteractive Agents Plugin for Messenger Plus! (MSN Messenger add-on)
    ActiveShieldYMCVSSHLD.EXEMcAfee VirusScan On-line. See also McAgentExe entry.
    ActiveSpeedUAS.exeAscentive ActiveSpeed Internet Optimizer
    ActiveX StreamerXmsgfix.exeAdded by the SDBOT.NQ WORM!
    ActiveXUpdateXsvcss.exeAdded by a variant of the DEDLER.C TROJAN!
    ActivityUactik.exe ActivityKey Keystroke logger/monitoring program - remove unless you installed it yourself!
    ActivSurfNbackweb*****.exePackard Bell ActivSurf - automatically detects an internet connection and downloads any available updates
    ActMakerUActMak25.exeThe ActMaker mouse and keyboard toolkit can record the daily operation of your computer and reduce your workload. You don't need to do any coding, nor are you required to know a lot about the computer.
    ACUUACU.exe Atheros wireless Client Utility For HP Compaq
    ACU_QSBUACU.exe Atheros wireless Client Utility For HP Compaq
    Ad BlockerUblocker.exeAd Blocker - blocks popups, and also removes banners, image ads and flash ads
    Ad Blocker ProUAd Blocker Pro.exe"Ad Away" popup and banner remover
    Ad MuncherUAdMunch.exeAd Muncher removes adverts, pop-ups and general annoyances in your browser, file-sharing and messenger programs. Causes conflicts with Outlook, game sites and web-building applications
    Ad Online Guide?adonlineguide.exe??
    Ad-awareNAd-aware.exeAd-aware from Lavasoft. Checks your PC for "Spyware" which reports back your internet activities to "base". Available via Start -> Programs
    Ad-AwareXAd-Aware.exeAdded by the W32/Rbot-ADJ Worm!
    Ad-Aware-6XWINDOWSUPDATER.EXEAdded by an unidentified WORM or TROJAN!
    Ad-MuncherUADMUNCH.EXEAd Muncher removes adverts, pop-ups and general annoyances in your browser, file-sharing and messenger programs. Causes conflicts with Outlook, game sites and web-building applications
    Ad-watchUAd-watch.exePart of Lavasoft Ad-aware Plus - realtime spyware-monitor watching your memory and registry for spyware that tries to install or change your system
    AD2KClientUAD2KClient.exeExecutable for Active Disk from Iomega disk - allows software applications to be run directly from an Iomega Zip® disk. Required if you wish the applications to launch on insertion of a disk
    Adaptec DirectCDNDirectcd.exeDirectCD primarily allows you to drag and drop files onto a suitably formatted CD-RW disc. Unless you use this on a frequent basis it isn't required and is available via Start -> Programs. Start the program before inserting a DirectCD formatted CD-RW in the drive. A re-boot is recommended if you close Adaptec DirectCD before re-opening it again later
    AdaptecDirectCDNDirectcd.exeDirectCD primarily allows you to drag and drop files onto a suitably formatted CD-RW disc. Unless you use this on a frequent basis it isn't required and is available via Start -> Programs. Start the program before inserting a DirectCD formatted CD-RW in the drive. A re-boot is recommended if you close Adaptec DirectCD before re-opening it again later
    AdAwareXwini.exeAdded by the W32/RBOT-XN WORM!
    Adaware BootupNad-aware.exeAd-aware from Lavasoft. Checks your PC for "Spyware" which reports back your internet activities to "base". Available via Start -> Programs
    Adaware lptt01 or Adaware ml097eXadaware.exeVariant of the RapidBlaster parasite (in a "Adaware" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here. Note - this is not the valid Lavasoft Adaware
    Add**.exe (* = random char)XAdd**.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    Add**32.exe (* = random char)XAdd**32.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log.
    AddClassX(Path to Trojan)Added by the Troj/SecDl-A TROJAN!
    AdDeleteUAdDelete.exeBanner advertisment blocker
    AdDestroyerXAdDestroyer.exeLike VirtualBouncer, malware from Spyware Labs. It is distributed by the same bundling and drive-by download techniques as the malware it claims to remove/prevent, so definitely qualifies as unsolicited commercial software in itself. It also has an update feature that can download and execute arbitrary code
    ADG?ADG.exe SoundBlaster Audigy related?
    ADGJdetNADGJDet.exeAdded with SoundBlaster Live! or Audigy soundcards for headphone autodetection
    AdirasYAdiras.exeADSL USB modem related
    ADM Library LoaderXadmlib32.exeAdded by a variant of the SDBOT WORM!
    Admanager ControllerXAdManCtl.exeWindUpdates ADW_WINAD.M adware
    Admilli ServiceXAdmilliServ.exeWindUpdates AdmilliServ adware
    AdministratorXsvchost.scrAdded by the Backdoor.Novacal TROJAN! Note: This trojan file is found in the Windows\Fonts or Winnt\Fonts folder.
    AdminSoftXsysfile.vbsAdded by the VBS/STARGRUB-A WORM!
    AdobeXAdobe.exeAdded by an unidentified VIRUS!
    AdobeXsysconfig.exeAdded by an unidentified WORM or TROJAN!
    AdobeXsysbat32.exeAdded by the TROJ_LOWZONES.T TROJAN!
    adobeXgam.exeAdded by an unidentified WORM or TROJAN!
    AdobeXzteam.exeAdded by an unidentified TROJAN!
    Adobe Acrobat Distiller ApplicationXacrotray.exeAdded by the W32.RANDEX.DFJ WORM!
    Adobe Acrobat Reader CFGX[random file name]Added by a variant of the WIN32.RBOT WORM!
    Adobe Gamma LoaderUAdobe Gamma Loader.exeAdjusts monitor colours across all programs, including Photoshop. It is needed by some graphics professionals who want their monitor calibrated. Most home users will not need it. In my case I can verify this as Photoshop loads fine
    Adobe Photoshop 7.0XAdobePhotoshop.exeAdded by a variant of the W32/SDBOT WORM! - NOTE: Do NOT confuse with the Adobe photo editing software of the same name!
    Adobe Reader Speed LauchNreader_sl.exeSpeeds up the lauch of Adobe (Acrobat) Reader 7
    Adobe Reader Speed LauchNREADER~1.EXESpeeds up the lauch of Adobe (Acrobat) Reader 7
    Adobe Reader Speed LaunchNreader_sl.exeSpeeds up the time it takes to load the Adobe_Reader application. Your choice, but not required for Adobe Reader to function properly
    AdobeAXadobes.exeAdded by the FLOOD.BA VIRUS!
    AdobeFontsXfonts.htaBrowser hijacker - redirecting to Hugesearch.net
    AdobeReaderProXmsnxpsp.exeAdded by the W32/Rbot-ASK or W32/Rbot-AUS WORM! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder
    AdobeReaderProXntkernell32.exeAdded by W32/RBOT-ATY WORM!
    AdobeVersionCueNVersionCueTray.exe"An exclusive feature of the Adobe(r) Creative Suite, Version_ Cue(tm) helps you find files fast, track multiple versions of your files, and share your files for creative collaboration"
    Adope File ManagerXlsasv.exeAdded by an unidentified WORM or TROJAN!
    adpXadp.exeSpyware installed by Net2Phone, Limewire, Cydoor, Grokster, KaZaa, etc
    AdPopupXdcf5678.exeAdded by the Troj/Agent-FZ TROJAN! Note: This trojan file is found in the Windows or Winnt folder.
    adprotXadprot.exe AdBlaster adware variant
    ADQuickAccessNAdtray.exeAfter Dark for Windows. Screen saver creation program produced before screen savers became integrated into Win95
    AdRoarUpdateXARUpdate.exeAdRoar adware updater
    AdRotator.ApplicationXcsrss.exe AdRotator adware variant - Note - do NOT be confuse with the legitimate Windows Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling, located in the Winnt\System32 or Windows\System32 folder, and which should NOT figure in Msconfig/Startup!
    AdRotator.ApplicationXservices.exeAdded by FakeMessage/AdRotator adware - NOTE - this file is placed in a Winnt\System32\Inetserv or Windows\System32\Inetsrv folder, and should NOT be confused with the legitimate Windows services.exe process, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    ADServiceUADService.exePart of Iomega's Active Disk - allows software applications to be run directly from an Iomega Zip® disk. Required if you wish the applications to launch on insertion of a disk
    AdsGoneUAdsgone.exeAdsGone - pop-up stopper
    ADSL Diagnostic ToolsNmapiicon.exeSystem tray access to ADSL modem diagnostic tools. Available via Start -> Programs
    ADSLSYSTEMTRAY?SystemtrayV100B.exeApparently Annex A ADSL modem related - what does it do and is it required?
    AdslTaskBarYrundll32.exe stmctrl.dll, TaskBarISP software, initializes DSL modem
    AdslTaskBarsXtaskmng.exeAdded by the W32/Rbot-AXZ WORM! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    ADSL_A2?A2InstalledAssociated with an Integrated Telecom Express (ITeX) ADSL driver installation. What does it do and is it required?
    ADSSYADSS.exeADSS is part of Access Denied security and privacy software (Access Denied Security Server) that monitors power status and provides some other services for Screen Guard. Important to keep its running while using Access Denied
    adstartupXautomove.exe Adlogix adware variant
    adstartupXAdstartup.exe Adlogix adware
    AdStatus ServiceXAdStatServ.exeWindUpdates AdStatus_Service adware
    AdSubtractUadsub.exeAdSubtract blocks ads, cookies, pop-up windows, animations, music, and more. Can be disabled from within AdSubtract. Available via Start -> Programs
    adtech2005Xadtech2005.exeReported as Trojan.Win32.StartPage.aw by Kaspersky Anti-Virus.
    Adtools ServiceXAdTools.exe Windupdates Adware
    AdultXXAdultX.exeAdult content dialler and hijacker
    Adult_ChatXAdult_Chat.exeAdult content dialler
    Adult_Chat1XAdult_Chat1.exeAdult content dialler
    AdUpdaterXsysupudt.exeUnidentified adware downloader/updater
    ADUserMonUADUserMon.exePart of Iomega's Active Disk - allows software applications to be run directly from an Iomega Zip® disk. Required if you wish the applications to launch on insertion of a disk
    Advanced Internet ProtocolXcerf.exe W32.SpyBot worm variant
    Advanced Protection SystemXadvpsys.exeAdded by a variant of the WIN32.RBOT WORM!
    Advanced Tool ChecksXadvchks.exeAdded by a variant of the WIN32.RBOT WORM!
    Advanced Tools Check or ADVCHKNADVCHK.EXEChecks when you install a new version of a Norton product that you have uninstalled all previous versions. Serves as a reminder if you forget
    Advanced Uninstaller PRO Installation MonitorUmonitor.exeInnovative Solutions The user can choose whether or not to monitor installs.
    AdvapiXAdvapi.exeAdded by the NETDEVIL.12 (NetDevil 1.2) VIRUS!
    Advertising KillerUAkiller.exeAKiller - pop-up stopper
    advmon32Xadvmon32.exeAdded by a Crypter.C trojan variant infection
    Adware AgentUadware agent.exeAdware Agent popup blocker
    Adware SpyNAdwareSpy.exeAdware remover - not recommended, see Rogue/Suspect_list
    AdwareAlertXAdwareAlert.Exe"Spyware remover" of dubious repute - see the SpywareWarrior_List of Rogue/Suspect Anti-Spyware Products & Web Sites
    Aeiwlsta.exe?Aeiwlsta.exeIBM High Rate Wireless LAN Adapter driver. Is it required?
    AELaunchNAELaunch.exeAudio Applications Launcher for the Philips Acoustic Edge soundcard
    AERVICESNXAERVICESN.exeAdded by the W32/RANDON-AO WORM!
    AeXAgentLogonNAeXAgentActivate.exe Altiris Agent transmits information about your machine for the purpose of asset management and deployment
    AeXSWDUsr?AeXSWDUsr.exeAltiris Express NS Client Manager software. Is it required?
    AEZBProcUaptezbp.exeIBM Aptiva keyboard customizer - enables certain special buttons on keyboard for CD operation, volume control, and few quickstart buttons. Keyboard will work without it but you lose the special functions
    AFAFilterUwindefault.exeAFAFilter - internet filter software
    AgentNAgent.exeCyberlink Power VCR II 3.0 is a TV tuner recording utility. If you want to schedule recordings you'll need this, otherwise can be disabled. Available via Start -> Programs
    Agent BrowserX[random file name]Added by the PPdoor.M-bdr backdoor TROJAN!
    Agent ExplorerX[random file name]Unidentified adware
    Agente?Remupd.exePart of Panda Antivirus Titanium. Is this an update reminder (guess because of the name), virus definition update reminder or something similar?
    agentsvrXagentsvr.exeMalware, detected by Kaspersky antivirus as AdWare.Monker.a - NOTE: do NOT confuse with the Microsoft Agent Server application of the same name as described here - the legitimate file will always be located in the Windows\Msagent folder.
    AgfaCLnkUAgfaCLnk.exeFor Agfa digital cameras connected via USB. Enables Windows to access the contents of the memory stick (while the stick's still on the camera) via a virtual drive
    agpXagp32.exeAdded by the W32.Gaobot.SY worm
    AGRSMMSGYAGRSMMSG.exeIBM AMR modem driver
    AGSatelliteNAGSatellite.exeProgram from AudioGalaxy that lets you download some MP3s from their server. Available via Start -> Programs
    AGSeyAppXAGSeyApp.exeAdded by the GoldenEye SPYWARE!
    ahfpor and ahfprogNahfp.exeAdvanced Hide Folders - "is powerful file security program. It allows to hide folders or hide files. Advanced Hide Folders is very useful to keep your personal data away from others. Others will not know where your personal files exist and they will not be able to accidentally view, delete or modify them either"
    AHNSDUAhnSD.exeAhnLab V3 antivirus updater - leave enabled unless you manually update on a regular basis
    AHNUE?AHNUE.exe??
    AHQInitNahqinit.exePart of AudioHQ for the Soundblaster Live!. Appears as though it makes the AudioHW toolbar drop down from the top of the desktop and isn't required
    AhstXiebs.exe PurityScan/Clickspring adware
    AicaXtuaa.exe PurityScan/Clickspring adware
    AidaXttuh.exe PurityScan/Clickspring adware
    AidaXeetu.exe PurityScan/Clickspring adware
    aiepkUaiepk2.exeAnother IE Popup Killer - pop-up stopper
    AIMNaim.exeAOL Instant Messenger. If connected to the internet, automatically runs up AIM. Convenience more than anything. Available via Start -> Programs
    AIM Instant Message CookiesX(random filename)Added by the W32/RBOT-AFV WORM!
    Aim PluginXaimplugin.exeAdded by the W32/Guap-F WORM! Note: This worm file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Aim Quick StartXAim.exeAdded by a W32/Forbot-BB worm infection
    AIM reminderXAIM reminder.exeAdded by the BUDDY VIRUS!
    AIM95 StartupXaim95.exeAdded by the AGOBOT.AEE WORM!
    aimaol lptt01 or aimaol ml097eXaimaol.exeVariant of the RapidBlaster parasite (in a "Aimaol" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    aimb.exeUaimb.exe IMSufSentinel is a Spyware program which can record IM conversations, log keystrokes, record URLs visited, and take screenshots. If you didn't install this yourself remove it.
    AimingClickNAimingClick.exeAimingClick from AimingTech. Web searching tool. Available via Start -> Programs
    AIMsterN??Peer to Peer (P2P) file sharing client that runs over the AOL Instant Messenger network. Available via Start -> Programs
    AIMWDInstallNAIMWDInstall.exe WildTangent on-line games installer as part of AOL Instant Messenger. Note that Wild Tanget's privacy policy used to state they also collect and share individuals information, but that is no longer the case
    Aiptek Graphics Tablet (USB)Yatwtusb.exeUSB interface for Aiptek Graphics Tablet (USB)
    aircityXaircity.exeRelated to "Prutect" malware from e2Give
    AKEYNAMEXWinServ.exeAdded by the EVILBOT.C TROJAN!
    AKillerUakiller.exeBuyPin Advertising Killer - popup killer
    ala.exeUala.exe Access_Lock is a system-tray security utility you can use to secure your desktop when you are away from your computer.
    Alarm ManagerUAlarm.app.exePalm alarm event reminder that coordinates what is on your Palm with settings on your desktop
    AlarmWatcher?AlarmWatcher.exeAssociated with SynTPEnh and SynTPLpr which are from Synaptics for touchpads on laptops. What does it do and is it required?
    Album Fast StartNABMTSR.EXEScanner software, not required for scanner to work
    AlcFDMonitor?ALCFDRTM.EXERealTek related - Real-Time SPDIF-in Monitor for nVidia chipset - is it required in startup?
    ALCFDRTM16?ALCFDRTM16.comRealTek related - Real-Time SPDIF-in Monitor for nVidia chipset - is it required in startup?
    AlchemXAlchem.exe Transponder parasite updater/installer
    alcmtrXALCMTR.EXERealtek AC97 Audio - Event Monitor. "Sypware" file used surreptitiously monitor one's actions. It is not a sinister one, like remote control programs, but it is being used by Realtek to gather data about customers
    Alcohol or Alcohol AutorunUAlcohol.exeAlcohol 120% - CD/DVD emulation/writing/copying software
    Alcom PCL Capture?FMW_PCAP.EXE??
    AlcWzrdNALCWZRD.EXERealTek High Definition audio driver related - detects new devices when plugged in, then pops up a dialog box. If everything works as expected you should be able to disable this one.
    AlcxMonitorXAlcxmntr.exeRealtek AC97 Audio - Event Monitor. "Sypware" file used surreptitiously monitor one's actions. It is not a sinister one, like remote control programs, but it is being used by Realtek to gather data about customers
    aldefr ere serviceXtay0x.exeAdded by the W32/RBOT-XS WORM!
    AlevirXAlevir.exeAdded by the OPASERV.A VIRUS!
    AlevirXAlevir.exeAdded by the OPASERV.F or OPASERV.G VIRUSES!
    AlevirOldX(worm filename)Added by the OPASERV.G VIRUS!
    AlexaNAlexa.exe?Alexa Toolbar"is a downloadable toolbar that helps you navigate the Internet as you surf, by instantly providing you with related information about the site you're viewing". Available via Start -> Programs
    alexaUalexa.exeRelated to Alexa Note: COLLECTS AND STORES INFORMATION ABOUT THE WEB PAGES YOU VIEW, THE DATA YOU ENTER IN ONLINE FORMS AND SEARCH FIELDS, AND, WITH VERSIONS 5.0 AND HIGHER, THE PRODUCTS YOU PURCHASE ONLINE WHILE USING THE TOOLBAR SERVICE. Although Alexa state's they do not attempt to analyze the data it may collect about you to determine who you are, some of your information collected by the software is personally identifiable. Please read the Privacy_Policy Not Recommended.
    ALFY Accellerator?AlfyAC~1.exe??
    ALG.EXEXiexplorer .exeAdded by the W32/DEMOTRY-B WORM!
    ALG32XALG32.EXEAdded by the StartPage.K TROJAN!
    ALGUXALGU.EXEAdded by the TROJ/CWS-I TROJAN!
    Alias SketchBook SnapshotNALIASS~2.EXEScreen-capture utility for Alias Sketchbook
    AlienAutopsyNTest_BS.exeAlienware computer technical support software
    ALiSndMgrYALiSndMg.exeALi AC97 Sound driver
    AliUSBfix?GREENMK.exeMay be realted to a USB 2.0 PCI card - the IOgear GIC220OU?
    Alive SYstemXscchost.exeAdded by the Troj/Tofdrop-B TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Alive SYstemXscchostc.exeAdded by the Troj/Tofdrop-B TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    alkasrXÎä̉íÑ.exeAdded by the BALKART VIRUS
    All Aboard StatusUstswin.exeAll Aboard! Internet Connection Sharing status icon
    All Sea screen saverXTaskTray.exe"Free screensaver", installs lots of foistware. See here. Get rid of it
    All Sea web linkXFWLink.exe"Free screensaver", installs lots of foistware. See here. Get rid of it
    AllerCalcNAllerCalc.exe AllerCalc is an expression calculator which allows you to directly enter an expression to be evaluated. Can be started manually.
    AllSeeingEyeUase.exe All-Seeing_Eye security software - "monitors everything that takes place on your computer, and alerts the user as soon as anything suspicious or out-of-the-ordinary is happening, providing the user with alternatives for possible actions."
    allSnapUallSnap.exe"allSnap is a small system tray app that makes all top level windows automatically align like they do in programs such as Winamp or Photoshop"
    Alogrithm Link QueueXalq.exeAdded by a variant of the W32/SDBOT WORM!
    AlogservUAlogserv.exeFrom McAfee VirusScan for logging scanning activities. In some cases, if left running it can cause CPU % usage to go between 5-95% or go to and stay at 100%. Disabling it impacts on the reported last scan date. It is reported to cause jerky graphics response in many games. As of version 6, this is a critical component of McAfee and disabling it can cause a PC to lock up
    ALPassUALPass.exe ALPass password manager
    Alps Electric USB ServerYMonserv.exeAlps Electric USB Server - required according to this article
    AlpsPointUApoint.exeTouchpad software for laptop PC\'s. For instance it is found on the Panasonic machines and allows part of the touchpad to be used for document or Web-page scrolling. Required for proper functioning of the pointing software but not required for the laptop to work
    ALServ?ALServ.exeAltec Lansing AMS speaker related. What does it do and is it required?
    AltnetNpoints manager.exeAltnet TopSearch adware
    Altnet Points ManagerNpoints manager.exeAltnet TopSearch adware
    AltnetPointsManagerXpoints manager.exeAltnet TopSearch adware
    AltoMB_serviceUAltoMBsrv.exeAlto Memory Booster from Alto Software - boost the computers performance via more intelligent and efficient memory management
    ALUAlertUALUNotify.exeNotification reminder for Symantec's LiveUpdate. Leave enabled unless you manually run LiveUpdate on a regular basis
    Aluria Security CenterNSecurityCenter.exeAluria Software's spyware removal tool - we can't really recommend this product as Aluria have recently partnered with WhenU, the well known adware company, see here and here
    Aluria's Pop-Up StopperUeps.exeAluria Pop-Stopper
    Aluria's Spyware EliminatorNASE.exeAluria Software's spyware removal tool - we can't really recommend this product as Aluria have recently partnered with WhenU, the well known adware company, see here and here
    AlwaysOnTopMakerUAlwaysOnTopMaker.exeAlways On Top Maker - utilty to enable an application to always be displayed "on top" of others on the desktop
    AmazingTensXAmazingTens.exePremium rate adult content dialer
    America Online *.* Tray IconNaoltray.exePuts AOL icon in System Tray (*.* denotes version if present). Connect to AOL via the desktop shortcut or Start -> Programs
    AME_CSANrundll32 amecsa.cpl, RUN_DLLLoads ADSL modem Control Panel applet
    AModemLockDownUModemLockDown.exe start ModemLockDown allows you to supervise internet access by disabling the modem, protects againt dialers accessing dial-up connections, etc
    AmonYAMON.EXEMonitoring part of Eset's NOD32 virus-scanner
    AmonitorYamon.exeTiny Personal Firewall
    AMP WinOFFUwinoff.exe WinOFF is " a utility designed to shut down Windows computers automatically, in a fully configurable way."
    AMSNUamsn.exe aMSN P2P client - can be started manually
    anbv32Xnabv32.exeAdded by the TITOG.C VIRUS!
    ANIWZCS2ServiceYWZCSLDR2.exe ALPHA_Networks wireless driver
    ANIWZCSService?WZCSLDR.exeD-Link wireless PCI adapter related. In some cases reported to cause excessive CPU activity
    AnnotateCheck?AnnCheck.exeGenius Wizard Pen Tablet driver related. Is it required?
    AnnouncementsNAnnclist.exeMS WebTV for Windows. Used to display TV on your PC via a compatible video card with in-built tuner (such as ATI All-In-Wonder). If you don't use it - uninstall it
    AnntextNAnntext.exeCaere Pagekeeper text annotation server
    Anonymizer Total Net ShieldUAnonTns.exeAnonymizer Total_Net_Shield
    ANONYMIZER_SPYWAREKILLERUSpyWareKiller.exeAnonymizer Spyware Killer; see here
    ANONYMIZER_SPYWAREKILLERUAnonAntiSpyware.exeAnonymizer Spyware Killer; see here
    Another Internet Explorer Popup KillerUaiepk.exeAnother IE Popup Killer - pop-up stopper
    ansjavaX(Path to mIRC application)Added by the W32/Randon-AN Worm!
    AnskyaXPYSKY.NET.exeAdded by the TROJ/DLOADER-MW TROJAN!
    Answer ProblemXdSAFsqs.exeAdded by the W32/SDBOT-SC WORM!
    AntiXIsass.exeAdded by the WIN32.BROPIA.K WORM!
    Anti Spam ServiceXspamsvc.exeAdded by the W32/Mytob-BK Worm!
    Anti Trojan EliteUTJEnder.exe Anti_Trojan_Elite trojan remover
    Anti-keylogger checkUantikey.exeAnti-keylogger - protects against keylogger programs monitoring your keystrokes
    Anti-Spyware BlockerXAnti-Virus.exeAnti-Spyware Blocker by Your-Soft , bogus "Spyware remover" - for more information, search the Spywarewarrior_List of non-Recommended anti parasite sites/software for "anti-spyware blocker"
    Anti-Trojan-WatchUATWatch.exeAnti-Trojan Watch - trojan detector
    Anti-Virus Product SyncX[AN UNPRINTABLE CHARACTER][3 CHARACTERS]log.exeAdded by the W32.Kedebe.D WORM!
    Anti-Virus Update SchedulerX[various file names]Added by a variant of the HEPLANE or STAPREW.B TROJANS! - different file names have been spotted; examples: msvc.exe, kaspersky.exe, nrton.exe, wins.exe, gah32.exe, 1.tmp, syste.exe, alg.exe, socks.exe, winxpsp2.exe, tek9.exe, sks.exe, hihi.exe, s.exe, xps2.exe, dns2.exe, ikav32.exe and more...
    Anti-Virus Update SchedulerXwinsp3.exeMalware - detected by Kaspersky antivirus as TrojanProxy.Agent.fp - A Proxy Trojan is a backdoor which allows a remote hacker to connect to other systems via the compromised system.
    Anti-Virus Update Scheduler V1.39.12RX[various file names]Added by the HEPLANE or STAPREW.B TROJANS! - different file names have been spotted; examples: msvc.exe, kaspersky.exe, nrton.exe, wins.exe, gah32.exe, 1.tmp, syste.exe, alg.exe, socks.exe, winxpsp2.exe, tek9.exe, sks.exe, hihi.exe, s.exe, xps2.exe, dns2.exe, ikav32.exe and more...
    antidialer.co.ukUDialer_Watcher.exe Dialer_Watcher is an application that allows you to detect Dialers on your computer.
    AntiPopUpUAntiPopUp.exeAntiPopUp for IE - pop-up stopper
    AntiVir XPYAVwin.exe AntiVir antivirus
    AntivirusXav.exeAdded by the SINKIN VIRUS! Resets IE start page to realphx.com
    AntivirusXmaja.exeAdded by the W32.NETSKY.H WORM!
    AntivirusXiexpl0res.exeAdded by an unidentified WORM or TROJAN!
    AntiVirusXkaspery.exeAdded by a variant of the WIN32.RBOT WORM!
    Antivirus InstallerX(Pathname of the Trojan executable)Added by the Troj/Badgent-A Trojan!
    antivirus32Xantivirus.exeAdded by the W32.Spybot.KAI WORM!
    AntivirusGoldXAntivirusGold.exe Malware masquerading as an antivirus - also installs the Winnook TROJAN!
    AntiVirusProtection?qumk.exe??
    antiwareXelite***32.exeAdded by the Troj/Dloader-HW TROJAN!
    AntiWindowsMessengerUAntiMsMsg.exe Anti-Windows_Messenger is a small application that prevents Windows Messenger from remaining resident in memory.
    anti_trojXanti_troj.exeAdded by the Lodear.D TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    AnVirYAnVir.exeAnVir Task Manager - protects computer against viruses and manages running processes and startup files
    anvshellUanvshell.exeSystem Tray tool for ASUS video cards. If disabled you lose all the ASUS specific video card options in Control Panel -> Display Properties -> Advanced as well as the System Tray shortcuts toolbar
    anycom bluetooth?ftflauncher.exeAssociated with an Anycom bluetooth wireless card. What does it do and is it required?
    AnyDVDNAnyDVD.exe AnyDVD is a driver, which descrambles DVD-Movies automatically in the background. This DVD appears unprotected and region code free for all applications and the Windows operating system as well
    AO Tray or AOTrayNAOTray.ExeSystem Tray application for AOpen soundcards. Can be run manually via Start -> Settings -> Control Panel
    AOL 9.0 OptimizedXAOLClient.exeAdded by the Backdoor.Spyboter.A TROJAN!
    AOL 9.0 OptimizedXAOLClient.exeAdded by the Backdoor.Spyboter.gen TROJAN!
    AOL Broadband Check-UpUmatcli.exe"matcli.exe is a motive Assistant Command line interface that gathers information about your system's identity like your name email address, city, county, etc and gets written to a log file". The AOL Self Support Tool is required to run with the Help and Support program. If you uncheck AOL and and then run Help and Support it will add another AOL entry in the startup menu. If you remove this software in "add/remove programs" some help menus in help and support will not be available. You decide
    AOL CompanionNcompanion.exePart of the AOL Connection Suite and installs an icon on the system tray offering easy access to AOL's additional utilities and functions. This program is a non-essential process, and is installed for ease of use.
    Aol Configuration LoaderXaimsng.exeAdded by the W32/SDBOT-XE WORM!
    AOL Fast Start?AOL.exeAOL ISP software related - what does it do and is it required?
    AOL Instant MessangerXaim.exeAdded by the W32/Sdbot-YT Worm!
    AOL Instant MessengarXaol.exeAdded by the W32/AGOBOT-FN WORM!
    AOL Instant Messenger?AlM.EXEThat is an L between the A and M, the start up location is wrong for AIM. what does this relate to?
    Aol Instant MessengerXaolmsg.exeAdded by W32.Kelvir.AL WORM!
    AOL Instant Messenger 7.213Xaim9283.exeAdded by the W32/Sdbot-ZF Worm!
    AOL Instant Messenger dll runtimeXMSAOL32dll.exeAdded by the W32/Rbot-ATA WORM! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Aol Instant Messenger FixXaolfix.exeAdded by the W32/Sdbot-ABJ WORM!
    AOL MessengerXTGRCNLUD.EXE, random file namesUnidentified worm or trojan
    AOL MessengerXaolmsngr.exeAdded by the W32/SDBOT-JF WORM!
    AOL Services HostsXaolserviceshosts.exeAdded by an unidentified WORM or TROJAN!
    AOL Spyware ProtectionUAOLSP Scheduler.exeAOL's spyware protection program
    AOL TopSpeedMonitorUaoltsmon.exeAOL's TopSpeed web acceleration technology supposedly helps to make web browsing faster. Most important for those users who still access AOL via dial-up.
    AolAcsDaemon1UAcsd.exeAOL Connectivity Service - starts an automatic function that restores the connection should you lose it while online. Negates having to go through the procedure of signing back on manually
    AolAcsDaemon1YAOLACSD.EXEAOLacsd.exe is a part of the AOL Internet Software and relates to the connection driver, essential to Internet connection. This program is a non-essential system process, but should not be terminated unless suspected to be causing problems
    AOLCC?ACCAgnt.exeAOL ISP software related, file located in a "AOL Computer Check-Up" folder - what does it do and is it required?
    AolConXconfig.comAdded by the TAPLAK VIRUS!
    AOLDialerNAOLDial.exeAOL ISP software dialer; can be activated through a desktop shortcut
    AolFixNAolFix.exeRun on Gateway Astra computers, and maybe a few others. Designed to repair a bad registry key in Gateway computers that would not allow AOL  to run correctly. Not seen much any more and should only run once
    AornumXaornum.exeInstalled along with iWon Prize Machine. Based upon their privacy statement this can be regarded as spyware
    APC UPS StatusYDisplay.exeAPC PowerChute Personal Edition status icon
    APC_SERVICEUmainserv.exePowerChute® Personal Edition - "safe system shutdown software with sophisticated power management functions"
    apc_trayYapc_tray.exePart of the APC UPS software loaded with the BACK-UPS CS 350 unit. Required to monitor the APC unit in case of power failure
    APD123XAPD123.exe PacerD_Media/Pacimedia.com adware component
    Api**.exe (* = random char)XApi**.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    Api**32.exe (* = random char)XApi**32.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    API32Xapi32.exeAdded by the IRCBOT-B TROJAN!
    APIClassXlexplore_.exeAdded by the Troj/MSNOpt-A TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    APIMonXapimonx.exeAdded by the TIBSER.A downloader TROJAN!
    APIMonXwinapix.exeAdded by a variant of the TIBSER.A downloader TROJAN!
    APIMonXmsreg.exeAdded by the TROJ_DROPPER.Z TROJAN!
    apisvc.exeXapisvc.exeAdded by a variant of the Lamebot TROJAN!
    APLUAPL.exe Sage_Software's_ACT! The application pre-loader (apl.exe) is a self contained executable that pre-loads the necessary .NET framework and ACT! 2005 assemblies. This pre-loading of assemblies enhances ACT! startup, view load and dialog load times in some areas of the application.
    Apmsrv9x?APMSRV9X.EXEIntel AnyPoint Wireless II Home Network related. What does it do and is it required?
    ApointUApoint.exeTouchpad software for laptop PC\'s. For instance it is found on the Panasonic machines and allows part of the touchpad to be used for document or Web-page scrolling. Required for proper functioning of the pointing software but not required for the laptop to work
    App**32.exe (* = random char)XApp**32.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    App**exe (* = random char)XApp**exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    App.EXENameX(path to worm)\.exeAdded by the BODIRU VIRUS!
    App32dllXmsnavc32.exe VX2 adware related
    AppconUvAppCon.exeVital Application Console - part of POS-partner 2000 point-of-sale software from Vital. This is the taskbar icon and is enabled at startup by the "Auto-start when OS starts" option. Required for a connection to be established
    appconnXappconn.exeAdded by the CARGAO trojan
    AppExtenderUAppExtCB.exeLoads the Confimax add-in for popular E-mail programs to confirm E-mails have been sent and received
    appis.exeXappis.exeAdded by the AGENT-BC TROJAN!
    ApplicationYmdmsetsp.exeAztech Labs modem driver
    Application ExplorerUNaldesk.exeNovell Zenworks Application Explorer Executable; "For almost all users the Novell ZENworks agent (either Application Launcher or Application Explorer) will be run via the user's login script on each successful login. ZENworks is used to periodically deliver software updates and is also used to install the remote management components."
    Application Layer Gateway ServiceXalgs.exeAdded by the W32.LINKBOT.M WORM!
    AppPlusUAppPlus.exeAppPlus - "menu bar or tray launcher that docks to your desktop, floats or sits in your System Tray. Create graphic/text-based buttons that launch any number of programs, Websites, e-mail addresses or folders (which open in the AppPlus Menu System)"
    Apvxd or ApvxdwinYAPVXDWIN.EXEPart of Panda Anti-Virus. Required to enable permanent virus protection
    ApwheelYApwheel.exeWheel support for an Alps mouse 
    apyginapyginXsimenu.exeAdded by the SDBOT.BTR WORM!
    AQ3HelperStartUpXAQ3HEL~1.EXEScreenScenes "Aquatica Water Worlds" screensaver. Comes with GAIN spyware
    aqadcupXaqadcup.exe Backdoor.Agent.bg worm
    AqujyjaxXaqujyjax.exeAdded by the W32/SDBOT-YC WORM!
    AqujyjaxX[path to file]Added by the TROJ/RANCK-CQ TROJAN!
    ara-keyXAdded by the ANTINNY VIRUS! where <random> is a random program name with random characters
    ArchiveXarchive.exeAdware - recognized by Kaspersky antivirus as Trojan-Downloader.Win32.Centim.a
    ARCHIVE CONTROLXfixupdattr.exeAdded by the W32.MYTOB.GU WORM!
    ARCSolo RecoveryNN/ABackup software by Computer Associates - no longer supported
    aresNares.exe Ares is "a Windows program that enables peer-to-peer file-sharing on the Ares P2P network. As a member of the P2P community you can search and download any file shared by other users. You can meet new friends in Ares chatrooms while you download"
    aresliteNAresLite.exe Ares Lite Edition is "a Windows program that enables peer-to-peer file-sharing on the Ares P2P network. As a member of the P2P community you can search and download any file shared by other users. You can meet new friends in Ares chatrooms while you download"
    AritimaXaritima.exeAdded by the ARITIMA VIRUS!
    ArteraUarteraui.exeArtera Turbo Internet Accelerator - "surf faster, boost download speed". Only required if you find it helps improve your performance
    AS00_Gear511?Gear511.exeSoftware for Netgear wireless network cards. Unknown whether it is required for the wireless card to run but does not seem to be a resource hog. Not required for laptop to run if the wireless network card will not be used. is it at all required?
    AS00_WPN511?WPN511.exeNetgearRev MFC Application - software for Netgear wireless network cards - what does it do and is it required in startup?
    ASDPLUGINXfullgames.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXcanada.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXfrance.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXuk_nm.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXdbaccess.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXgeaccess.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXnetherlands.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXbelgium_nm.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXdsldbaccess.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXadult1.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXFinland.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXAustria.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINX100171be.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXXadult1.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXczech.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINX100176br.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXdslgeaccess.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXmexico.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXturkey.exe AsdPlug premium rate adult content dialer variant
    ASDPLUGINXtemp532.exe AsdPlug premium rate adult content dialer variant
    asdxXxwinrpc32.exeAdded by the AGOBOT.VO WORM!
    ASE SchedulerNASE Scheduler.exeAluria Software's spyware removal tool - we can't really recommend this product as Aluria have recently partnered with WhenU, the well known adware company, see here and here
    Ashampoo PopUpBlockerUPopUpKiller.exeAshampoo popup blocker, part of Privacy Protector Plus; see here
    ashAvastYashAvast.exePart of Avast antivirus
    ASHLTXAshlt.exe Ashlt adware
    ashMaiSvYashmaisv.exePart of Avast! anti-virus software
    AsioRegUregsvr32.exe ctasio.dllASIO (Audio Stream In/Out) drivers for the SoundBlaster Audigy 2 series soundcards - for recording and home project studios. Required if you use this functionality
    ASKUrundll32.exe [path] ASK.dll rdlAdded by the StealthKeylog surveillance software. Uninstall this software unless you put it there yourself.
    aslXAslru.exeAdded by the TROJ/BANCOS-CU TROJAN!
    Asmw Soft Popups BurnerUpopups burner.exePopup blocker, part of Asmw Soft PC_Optimizer
    ASP.NET State ServiceXcsrss.exeAdded by the TROJ/DLOADER-QI TROJAN! NOTE - this file is placed in the Winnt or Windows folder, and should NOT be confused with the legitimate Windows Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    ASP.NET State ServiceXcrsass.exeAdded by the Troj/Banload-M TROJAN! Note: This is not the legitimate Windows process crss.exe (Notice the difference in the spelling.) This trojan file (crsass.exe) is found in the Windows or Winnt folder.
    ASP.NET State ServiceXservicos..exeAdded by the Troj/Dadobra-I TROJAN! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    asp4trayNasp4tray.exeSystem Tray application for Aureal Vortex based soundcards. Can be run manually via Start -> Settings -> Control Panel
    AspireTimeMachineYacertmb.exeSystem recovery software supplied with some Acer notebook PCs. Similar to GoBack and the restore program in WinXP, allowing you to restore a PC back to a working state with minimal re-entry
    assistseXASSISTSE.EXECnsMin (Chinese_Keywords) related
    ASTXASTAdded by the WIN32.VB.AH TROJAN!
    ASTXAST.exe AutoStarter parasite
    ASTARTUastart.exeASUS TweakEnable - restores manually changed settings for ASUS based video cards such as overclocking. Only required if you use non-standard settings
    AStartXAStartAdded by the WIN32.VB.AH TROJAN!
    asTrayNAstray.exeVoyetra Audio Station - part of Voyetra's Ultimate MP3 & CD Manager. MP3 and digital music jukebox/organizer
    AstroNAstro.exeChecks for updates to Quicken on a system reboot
    ASUS Live UpdateNALU.exeASUS Live Update utility - reportedly not required
    ASUS ProbeNAsusProb.exeASUS video card fan/thermal monitor - only required if you overclock your card or live in a hot area
    ASUS SmartDoctorUVGAProbe.exeASUS video card fan/thermal monitor
    ASUS TweakEnableUastart.exeRestores manually changed settings for ASUS based video cards such as overclocking. Only required if you use non-standard settings
    ASUSKeyNV38SHELL.EXESystem tray Icon for quickly changing video modes
    asustweakenableUATweak.exeAsus Tweaking Utility - for fine tuning the settings of your ASUS display card
    ASWDPNASWDP.exeMLS Pulse - real estate software. Keeps the home buyer/seller continually informed on the status of his/her local/regional real estate market
    ASWnkXaswnk.exeAdult content dialler
    AT&T DSL Service PCA Program?dslpca.exeAT&T DSL related - what does it do and is it required?
    AT-WatchUATWatch.exeAnti-Trojan Watch - trojan detector
    atapidrvXatapidrv.exeAdded by the W32/AGOBOT-SL WORM!
    AthanUAthan.exe Athan - an application that calculates and reminds the five daily Islamic prayer times for anywhere in the world.
    ATI CATALYSTNCLI.exeSystem Tray access to ATI's CATALYST™ CONTROL CENTER. Note that this has "SystemTray" appended to CLE.exe in the "Command" column of MSCONFIG. Not required to run the control center - which is available via a right-click on the desktop
    ATI CATALYST System TrayNCLI.exe SystemTraySystem Tray access to ATI's CATALYST™ CONTROL CENTER. Note that this has "SystemTray" appended to CLI.exe in the "Command" column of MSCONFIG. Not required to run the control center - which is available via a right-click on the desktop
    Ati Control PanelXatiphexx.exeAdded by a SDBOT.CC worm infection
    ATI DeviceDetectNATIDtct.EXEThis utility was meant for future use of the ATI TV WONDER™ USB 2.0 video driver and can be disabled.
    ATI GART Set-up UtilityNAtigart.exeProgram that checks the motherboard chipset and determines which GART driver bundle to install on ATI video cards. If you have one, once installed it shouldn't be needed
    ATI LaunchpadUlaunchpd.exeConvenient way to start all your Multimedia Center applications (DVD, Video CD, CD Audio, File Player). You can right-click LaunchPad, and uncheck Load on Startup in the menu
    ATI Rage3d ProXAtiRage4dPro.exeAdded by the W32/AGOBOT-OG WORM!
    ATI Remote ControlYATIRW.exeDriver for the ATI_REMOTE_WONDER_(tm) RF remote control for ATI's All-In-Wonder graphic cards and other products. Required if you use it
    ATI Remote ControlYATIX10.exeDriver for the ATI_REMOTE_WONDER_(tm) RF remote control for ATI's All-In-Wonder graphic cards and other products. Required if you use it
    ATI SchedulerNAtisched.exeComponent that remains resident in memory and automatically launches the ATI VIDEO PLAYER at a user selected time and date. Delete the shortcut in the Start -> Programs -> Startup folder as well. Functions could re-enable the program to load at start-up and re-introduce the shortcut. Try it and see
    ATI Task ApplicationNAtitkad.exeSystem Tray access and key-combo shortcuts to common display functions on ATI video cards. Can be run from Start -> Settings -> Control Panel -> Display
    ATI Task Application (Atikey)NAtitask.exeSystem Tray access and key-combo shortcuts to common display functions on ATI video cards. Can be run from Start -> Settings -> Control Panel -> Display
    ATI Technology StartupXtechstart.exeAdded by the W32/Rbot-AEU Worm!
    ATI VIDEO REGKEYXati2vid.exeAdded by the SDBOT.UR WORM!
    Ati2cwxx?Ati2cwxx.exeFor some ATI video cards. Probably used to access features and may not be required - for example the ATI Radeon works fine without it 
    Ati2mdxxNAti2mdxx.exeFor ATI video cards. System Tray access to display mode changing
    ATICCCNCLI.exeSystem Tray access to ATI's CATALYST™ CONTROL CENTER. Note that this has "SystemTray" appended to CLE.exe in the "Command" column of MSCONFIG. Not required to run the control center - which is available via a right-click on the desktop
    ATICCCUcli.exe runtimeATI's CATALYST(tm) CONTROL CENTER. Required if you want to change graphics settings on a regular basis but you must have internet access and Microsoft's .NET framework installed. Note that this has "runtime" appended to cli.exe in the "Command" column of MSCONFIG. If not you can start the program manually via Start -> Programs -> ATI Catalyst Control Center -> Advanced -> Restart Runtime
    AtiCpanelXatiphexx.exeAdded by a AGOBOT.IL worm infection
    aticpaxx.exeXaticpaxx.exeAdded by the W32/RBOT-XP WORM!
    AtiCwd or AtiCwd32UAtiCwd.exe AtiCwd32.exe Ati2cwad.exeThis utility adds the ATI tab in the advanced display properties (gives the option for TV out). Do not uncheck if there is TV out on the video card
    AtiDisplayDrvXatidrvxx.exeAdded by the W32/RBOT-VZ WORM!
    atidriverXreaIplayer.exeAdded by W32/WarPigs-E WORM!
    AtiKeyNAtikey32.exeSystem Tray access and key-combo shortcuts to common display functions on ATI video cards. Can be run from Start -> Settings -> Control Panel -> Display
    AtiKeyNatiptkad.exeSystem Tray access and key-combo shortcuts to common display functions on ATI video cards. Can be run from Start -> Settings -> Control Panel -> Display
    AtikeyNAtitask.exeSystem Tray access and key-combo shortcuts to common display functions on ATI video cards. Can be run from Start -> Settings -> Control Panel -> Display
    ATIModeChangeUAti2mdxx.exeSystem Tray icon to access ATI graphics card settings and the Hydravision Desktop Manager
    atipatxxXatipatxx.exeAdded by the TROJ/SMALL-ED TROJAN!
    ATIPOLABUati2evae.exeATI Polling Program - part of the ATI graphics driver e.g. on some Fujitsu-Siemens Notebooks
    ATIPOLAB or ATIPOLLUati2evxx.exeATI External Event Utility EXE Module. This task can comsume lots of CPU resournces  on some computers, but it can help with graphics card problems. Leave enabled unless it consumes too many CPU resources
    AtiPTA or AtiPTAAA or atiptaxxUAti2ptxx.exe, Atiptaxx.exeControl panel for the ATI series of video cards allowing access to such features as display resolution, colour depth, etc. Available via Start -> Settings -> Control Panel -> Display. Some users may need it if they have optimised their settings
    atiptextXatiptext.exeAdded by the COSIAM-A TROJAN!
    AtiQiPclUAtiQiPcl.exeUsed for hardware DVD decoding on ATI video cards supporting this feature. Not required unless you regularly play DVD's
    ATISmartUati2s9ag.exeATI's "SMARTGART", which is included with the "Catalyst" drivers. When the system boots, it runs a couple of bus tests & tries to apply the most stable settings
    AtiSoundUcsrss.exeAdded by the WinSpy surveillance software. Uninstall this software unless you put it there yourself - NOTE - this file is placed in a %System%\ComRoot folder, and should NOT be confused with the legitimate Windows Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    atisrc2Xwindfind.exeAdult content dialler - see here. This has to be cleared at the same time as MSStartOptimizer (WINUPD.EXE), mmxrun (msosa.exe) and RegCompres (REGCPM32.EXE), otherwise they return
    ATITechXActive.exeAdded by the Troj/Roamer-A TROJAN! Note: This trojan file is found in the System (95/98/Me) or System32 (Nt/2000/XP) folder.
    atitray or AtiTrayToolsNatitray.exeATI Tray Tool - allows quick access to ATI graphics card settings
    atiupdateXATIUPDATE5.EXE, msupdateQ********.exe (* = random digit)Added by the DEBESKI.A VIRUS!
    atiupdateXmsshed32.exeAdded by the DELF.EP downloader TROJAN!
    ATIUpdaterXatiupdxx.exeAdded by the W32/RBOT-ABX WORM!
    AtiupdplXatiupdpl.exeAdded by the TROJ_SMALL.AOS TROJAN!
    ativopenXativopen.exePremium rate adult material dialer
    ATIX10Uatix10.exeATI Remote Wonder - PC wireless remote control
    Atl**.exe (* = random char)XAtl**.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    Atl**32.exe (* = random char)XAtl**32.exe (* = random char) CoolWebSearch/HomeSearch adware component - for examples, see this log
    ATM ControlXadpn.exeAdded by the MMS.A VIRUS!
    ATnotesNatnotes.exeLoads the ATnotes program for virtual sticky notes for your desktop. Available via Start -> Programs
    Atomic-x27XAtomic-x27.exeAdded by the W32/Katomik-A WORM!
    Atomic-x27CXAtomicpartC.exeAdded by the W32/Katomik-A WORM!
    Atomic.exeUAtomic.exe Atomic_Clock_Sync synchronizes your computer's time with the NIST time server.
    AtomicaNatomica.exeAtomica runs from the System Tray and allows the user to find out more about a word or phrase on any screen by pointing at it with the mouse and clicking button one while holding down the Alt key
    AtomicTimeUATOMICTIME.EXEAtomicTime - utility that synchronizes your PC clock to an atomic clock
    AtrackUatrack.exeNew feature of Norton Internet Security (NIS) and Norton Personal Firewall (NPF) 3.0 is the Alert Tracker, an instant notification feature. The Alert Tracker displays information about events as they happen. This way, when a rule has been triggered or an access to the Internet made, you know about it immediately rather than finding out about it when you check your logs or notice that the NIS icon indicates a security alert
    AtrayUAtray.exeActive Tray is a utility which lets you configure the system tray. You can also create your own tray icons
    ATSpoolerUAppsTraka.exeAdded by the AppsTraka surveillance software. Uninstall this software unless you put it there yourself.
    ATTBroadbandUpdateUSAUpdate.exeBig Brother from Quest Software. System and network monitor
    ATTRedUpdateUAutoUpdate.exeAdditional item added to start-ups after AT&T took over the now bankrupt Excite@home high-speed internet service. Included for automatically downloading and installing updates. Leave it unless you plan to regularly run it to check for updates
    AttuneClientEngineXattune_ce.exe"Attune is a revolutionary service that provides you with targeted Intelligram messages to help you avoid common computer problems. Attune may also let you know when you need a specific product, service, or upgrade to optimise the use of your computer". Not required - treated as adware
    AttuneContentUpdaterXattune_cu.exeRelated to the above. All needed for the program to do its job properly
    AttuneDiscoveryXattune_di.exeRelated to the above. All needed for the program to do its job properly
    AttuneSystrayXattune_st.exeRelated to the above. All needed for the program to do its job properly
    aTunerNatuner.exeaTuner - tweak tool for GeForce based graphics cards
    atwtusbYatwtusb.exeUSB interface for Aiptek Graphics Tablet (USB)
    AtxBrwXIexplor.exe"Pop Marketing" adware
    AU AgentUAUagent.exeAu Agent from Zilab Software. Win2K/NT enhancement tool. Allows you to run applications under any security context without closing the whole logon session to process a new logon
    au.exeXau.exeAdded as the result of the BEAGLE.B WORM!
    AUCBPNPYaucbnpn.exeAdaptec USB CardBus Safe-Eject - driver for the Adaptec USB 2.0 CardBus which provides USB 2.0 ports for laptop users via a PCMCIA card slot
    AucompatXAucompat.exeAdded by the GEMA TROJAN!
    AudcntrXaudcntr.exeAdded by the WIN32.GEMA TROJAN!
    AudCtrl?RunDll32 AudCtrl.dll, RCMonitorAudio control panel?
    AUDIOXSOUND.exeAdded by the Dial/Ployb-A TROJAN!
    AudiocntlXaudiocntl.exeAdded by a Crypter.C trojan variant infection
    AudioDeckNADeck.exeADeck.exe is a system tray application for VIA's sound cards which offers quick access to a number of sound card related items.
    AudiodrvXaudiodrv.exeAdded by the CRYPTER-C TROJAN!
    AudioHQNAhqtb.exeFor Creative Soundblaster Live! series soundcards. System tray application for SB Live! functions. Available via Start -> Programs
    audioinfXaudioinf.exeAdded by a Crypter.C trojan variant infection
    AUNPS2XRUNDLL32 AUNPS2.DLL,_Run@16AlwaysUpdatedNews.com parasite related - More_information
    aupdXsymcsvc.exeAdded by the ABWIZ.D TROJAN!
    aupdXsysvcs.exeAdded by the ABWIZ.C TROJAN!
    aupdXsymcsvc.exeAdded by the Troj/Orse-H TROJAN! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Aureal A3D Interactive AudioYsa3dsrv.exeFor Aureal based 3D soundcards. A3D sound features won't work with this disabled
    Aureal A3D Interactive Audio InitYA3dInit.exeFor Aureal based 3D soundcards. A3D sound features won't work with this disabled
    ausvcXausvc.exeAdded by the AUTOUPDER VIRUS!
    Auth Starter IdentXstartauth.exeAdded by the W32/RBOT-WP WORM!
    AuthConsoleStartUAuthStart.exeSecurity Manager - part of a ComCast Internet software suite that provides a variety of features (firewall, popup blocker, parental controls etcetera) to help ensure your computer is secure, and your information is kept private.
    authzXauthz.exeunidentified virus
    Auto CD-ROM StartupXcdaccess.exeAdded by the SPYBOT.BLA WORM!
    auto repair systemXqualityx.exeUnidentified worm, probably a W32.SpyBot variant
    Auto SwitchUTASKBAR.exeRelated to 2-port Bitronics AutoSwitch kit from Belkin
    Auto T Bar or autotbarNautotbar.exeIf you disable the HP VIEW toolbar in IE and rarrange the toolbars on a reboot they will be back as they were before if this is left enabled
    Auto updatXSysDebug.exeAdded by a W32/Forbot-BA worm infection
    Auto updatXcrsrs.exeAdded by the W32/FORBOT-BP WORM!
    Auto UpdatXWindowsSys32.exeAdded by a variant of the W32/FORBOT WORM!
    Auto updatXcrsrs.exeAdded by the W32/FORBOT-BP WORM!
    Auto updatXcrcss.exeAdded by the SDBOT.AAG WORM!
    Auto updat, various other namesXcrsrs.exeAdded by a W32/Forbot-AK worm infection
    Auto UpdateXAUP.exeAdded by an unididentified WORM or TROJAN!
    Auto UpdateXsvchost.exeAdded by the TROJ/DUMARDL-A TROJAN! - NOTE - this file is placed in the Winnt or Windows folder, and should NOT be confused with the legitimate Windows svchost.exe process, always located in the Winnt\System32 or Windows\System32 folder, and which moreover should NOT figure in Msconfig/Startup!
    Auto UpdateXdma.exeAdded by the W32/Rbot-AVO WORM! Note: This worm file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Auto UpdatesXsvchost.exeAdded by the Troj/Cheuko-A TROJAN!
    Auto WinUpdateXtaskmrg.exeAdded by the W32/Rbot-AFA Worm!
    AutobarUautobar.exeConnect buttons on the keyboard for internet direct access, etc. on HP computers
    AutoCAD Startup AcceleratorUacstart16.exePreloads some libraries that are used by AutoCAD in order to make the software load faster
    autoclkYautoclk.exeSagem Modem driver. Installed and required on systems running Windows 98 or ME
    AutoEANAhqrun.exeFor Creative Soundblaster Live! series soundcards. Specify for any audio application what audio preset to automatically associate with currently active speaker output. Available via AudioHQ
    AUTOEXEXAUTOEXE.exeAdded by the W32/SEMAPI-A WORM
    AutoInsQyuleXQyuleInstall.exeAdded by the Troj/Dloader-ZM TROJAN!
    AutoloaderaproposclientXApropos_Client_Loader.exeAproposMedia adware
    AutoloaderaproposclientXcxtpls_loader.exe AproposMedia adware
    AutoLoaderEnvoloAutoUpdaterXauto_update_loader.exe Envolo/AproposMedia adware updater
    AutoMate Task ServiceNautomate.exeTask scheduler for Unisyn Automate 4 task automation/macro running software. Available via a desktop shortcut or Start -> Programs
    Automatic Defrag ManagerXdefrag.exeAdded by the W32/Rbot-AKE WORM!
    Automatic Microsoft Windows UpdaterXsuchost.exeAdded by the W32/RBOT-EQ WORM!
    Automatic Windows UpdaterXUpdate.exeAdded by the GAOBOT.AO WORM!
    Automatically launches the United Devices AgeNUD.EXEThe United Devices Agent can recycle your PC's unused resources and use them to perform valuable scientific and medical research without disturbing your usual computer use - similar to SETI@home but for medical research. Available via Start -> Programs
    AutopdateXAutopdate.exeAdded by the W32/Rbot-AGL WORM!
    AUTOPROPNREGPROP.EXE, WMPADDIN.DLLBoth the files are in the MS Office/Bots/FP_WMP directory. Apparently, it registers the FrontPage WiMP extension
    AUTOPROTECTUXnavapq32.exeAdded by an unidentified WORM or TROJAN!
    autorepairXdexs.exeAdded by a variant of the W32/SDBOT WORM!
    AutoShutdown?pssvc.exeUtility to fix vCard Export in MS Outlook 2000 - although why are these together?
    AutoSizerUAUTOSIZER.EXEAutoSizer - utility that automatically maximizes windows when they're opened
    AutoSpell 5NASWATC32.EXEAutoSpell - spell checker
    AutoTKitNAUTOTKIT.EXEOn HP PC\'s. Unclear what purpose it serves - but there\'s a known issue with Internet Explorer Toolbar settings not being saved with it enabled
    autoupdNautoupd.exeRaxco Software Auto Update utility."Used to keep your software up-to-date"
    autoupdXautoupd.exeVIRUS! - found in a folder of the same name
    autoupdateXWINUP2DATE.DLL,SHStartUnidentified adware - detected by Panda antivirus as Trj/Clicker.CY
    autoupdateXrundll32 [path] SUPDATE.DLL,SHStartAdded by a variant of the QOOLOGIC TROJAN!
    autoupdateXrundll32 [path] DATADX.DLL,SHStartAdded by a variant of the QOOLOGIC TROJAN!
    Autoupdate ServiceXkaka.exeAdded by the TROJ/SYMPE-B TROJAN!
    AutoUpdaterXaupdate.exeAupdate, Tinybar variant. Spyware
    AutoUpdaterXAutoUpdate.exePeopleonPage foistware
    autoupdatev2Xautoupdatev2.exeReported by Kaspersky Anti-Virus as Clicker.Win32.Agent.fq TROJAN!
    autoupdatev2X(Path of Executable)Added by the Troj/Dropper-BM TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    AutoVirusProtectionXciscv.exeAdded by a variant of the WIN32.RBOT WORM!
    auto__antiav__keyXantiav_exe.exeAdded by the Lodav.A TROJAN!
    auto__hloader__keyXhloader_exe.exeAdded by the following TROJANS: BAGLE.AB - Troj/BagleDL-W - Troj/BagleDL-Y - Troj/BagleDl-Z
    aux.exeXaux.exeAdded by the BACKDOOR.ZINS TROJAN!
    auxAudioDeviceXaux32.exeAdded by the W32/Zusha-C WORM!
    AUXXTRAYNau30setp.exeSystem Tray application for Aureal Vortex based soundcards. Can be run manually via Start -> Settings -> Control Panel
    AVXUPDATE-28062004.exe(25 blank spaces).vbsAdded by the MIDFIN WORM!
    AV UpDateXUpdate.exeAdded by theTROJ/FUROOT-A TROJAN!
    Avast!Yashserv.exeAvast! anti-virus software
    avast!YashDisp.exePart of Avast! anti-virus software
    avast! Web ScannerYAshwebsv.exe Avast! antivirus
    Avast32YAstart32.exePart of Avast! anti-virus software
    avcXavmon.exeAdded by an unidentified TROJAN!
    AvconsoleEXEUAvconsol.exeFrom McAfee VirusScan up to version 4.x and Dr Solomon's VirusScan. Used to schedule regular scans. If you don't have scans scheduled you don't need it
    AveoAttuneXatmdlusr.exeRelated to AttuneClientEngine above
    AvGXsvchost323.exeAdded by the W32/RBOT-ZA WORM!
    AVG Grisoft UpdaterXupdater.exeAdded by the W32/AGOBOT-OT WORM!
    AVG7_AMSVRYAvgamsvr.exe AVG antivirus related
    AVG7_CCYAVGCC.exeAVG Anti-Virus 7.0 Control Center. Allows you to manage and control all AVG Anti-Virus components, settings and updates
    AVG7_EMCYAVGEMC.exeAVG Anti-Virus 7.0 Email Cleaner. Scans incoming and outgoing email for viruses
    AVG7_RunYavgw.exePart of AVG Anti-Virus 7.0
    avgamsvr.exeYAvgamsvr.exe AVG antivirus related
    AVGCtrlYAVGCTRL.EXEBackground task of the AntiVir antivirus program which scans files transparently in the background
    AVGCtrlYAVGNT.EXEBackground task of the AntiVir antivirus program which scans files transparently in the background
    avgmsvr.exeYavgmsvr.exeRequired for AVG Anti-Virus 7.0 to function
    Avgserv9.exeYAvgserv9.exeBackground monitoring program for AVG anti-virus
    AVGuardYAVGNT.EXEBackground task of the AntiVir antivirus program which scans files transparently in the background
    AVGuardYAVGUARD.EXEBackground task of the AntiVir antivirus program which scans files transparently in the background
    AVG_CC or avgcc32Yavgcc32.exeAVG anti-virus control center. Also enables scheduled tests, Outlook E-mail plug-in and automatic updates
    AVG_EMCYAVGEMC.exeAVG Anti-Virus 7.0 Email Cleaner. Scans incoming and outgoing email for viruses
    AVG_RegCleanerYAVGREGCL.exeAVG Anti-Virus 7.0 Registry Cleaner - for checking the registry for virus additions and other security problems
    avidrvXdrvsc.exeDetected as the Trojan-Downloader.Win32.Agent.ph TROJAN! by Kaspersky Anti-Virus. Note: No URL available at this time.
    AvimgtXAvimgt.exeAdded by the GEMA TROJAN!
    Avimgt32XAvimgt32.exeAdded by the GEMA TROJAN!
    avinitYAVINIT9X.EXE Command antivirus related
    AVK Mail CheckerYAVKPop.exe eXtendia AVK AntiVirus email checker
    AVKBarYAVKBar.exeGData AntiVirusKit Anti-virus
    AvMaiSrvYAvmaisrv.exeAvast32 anti-virus - E-mail scanner
    avnortXmsmbw.exeAdded by the W32.Serflog.A WORM!
    avnortXformatsys.exeAdded by the W32.Serflog.A WORM!
    avnortXserbw.exeAdded by the W32.Serflog.A WORM!
    AVPX(Path to trojan EXE)Added by the Troj/Mutbo-A TROJAN!
    avpccYavpcc.exeKaspersky Labs anti-virus
    avpmYavpm.exeKaspersky antivirus
    AvprXavpr.exeAdded by the W32.Mydoom.AF WORM!
    Avril Lavigne - MuseX(random filename)Added by the AVRIL-A VIRUS!
    AVSCHED32YAVSched32.exeAntiVir anti-virus from H BDEV
    AVSchedScanYSCHSC9X.EXE Command antivirus related
    AvSerXsysup.exeAdded by the W32.Serflog.B WORM!
    AvSerXsvosm.exeAdded by the W32.Serflog.B WORM!
    AvSerXmsmpatch.exeAdded by the W32.Serflog.B WORM!
    AvSerXdsm.exeAdded by the W32.Serflog.B WORM
    avserve.exeXavserve.exeAdded by the SASSER VIRUS!
    avserve2.exeXavserve2.exeAdded by the SASSER.B or SASSER.C VIRUSES!
    avserve3.exeXavserve3.exeAdded by the SASSER.G worm
    AvtrayUAvtray.exe Command_Antivirus tray icon - NOTE: do NOT confuse with the rogue WinAntivirus startup/process as described here
    AVTrayXAVTray.exeWinAntivirus : a bogus, stealth installed "Spyware remover" - see the SpywareWarrior_List of Rogue/Suspect Anti-Spyware Products & Web Sites - NOTE: do NOT confuse with the legitimate Command Antivirus startup/process as described here
    AVWUpd32UAVWUPD32.EXEAntiVir updater. Useful, but can be run manually
    avx communicatorYxcommsur.exeAnti-virus part of BitDefender virus scanner/firewall
    AvxliveYavxlive.exeBullguard or BitDefender antivirus
    avxlniYavxinit.exeAnti-virus part of BitDefender virus scanner/firewall
    AWatchUAwatch.exeDiagnosis tool that monitors DSL connections, installed alongside DSL drivers from AVM Fritz's range of modem products.
    awhost32Nawhost32.exePart of Symantec's pcAnywhere remote PC management software. Provides an automatic startup of the client PC in host mode in conjuction with a host-definition file, so system administrators can access the machine. Can cause a 10% reduction in speed and not recommended
    AWMONUAd-Watch.exePart of Lavasoft Ad-aware SE Plus and Pro - realtime spyware-monitor watching your memory and registry for spyware that tries to install or change your system
    AWMONUAd-Monitor.exe F-Secure_Anti-Spyware
    AWUSGSTA.exe?AWUSGSTA.exeReportedly related to a USB Wifi Adapter - is it required at startup?
    awxDToolsUawxDTools.dll,awxRegisterDll AwxDTools related - a Windows Shell-Extension for the Daemon-Tools. It extends the context-menu of ImageFiles supported by Daemon-Tools. (i.e.: *.cue, *.iso, *.ccd ...)
    AxFilterXRundll32 AXFILTER.DLL, Rundll32CnsMin (Chinese_Keywords) related
    azmodemYazexe.exe Aztech_Labs modem driver
    Ua2guard.exe a-Squared antitrojan - can be run on demand, but necessary in Startup, if you prefer the a² 'Background Guard' real time protection feature
    B'sCLiPNBSCLIP.exeCD recording utility that comes with a lot of CDR/CDRW drives and isn't required
    B.ReaderNremin.exeBirthday Reminder 5.0 - as the name implies
    b3dXBDEsecureinstall.exeB3d Projector - installed along with the KaZaA file sharing utility. Causes a program called "ZUPDATE.EXE" to periodically try to access the internet. (1) Uninstall it via Start -> Settings -> Control Panel -> Add/Remove Programs. (2) Remove the BDEsecureinstall.exe if still present in C:\Windows\System. (3) Disable and ideally delete it from the registry. (4) Remove the "BDE" directory and all its contents
    b3dUpdateXZupdate.exeSame as above but not installed via KaZaA
    b9UB9.exeFireTrust Benign - allows you to receive e-mail which is safe from viruses, worms, scripts, web bugs, privacy threats and other security risks, without affecting your e-mail. "Benign neutralizes or strips out the code that makes viruses, worms, scripts and other potentially harmful things run"
    b99Xmsmm.exeClientMan parasite variant
    babeieXrundll32 cnbabe.dll, dllstartupCommonName Toolbar spyware. To uninstall see here
    Babylon ClientNBabylon.exe Babylon-Pro is a powerful information tool that instantly provides relevant information, translations & conversions for any word or value you click on"
    Babylon TranslatorNBabylon.exe"Babylon-Pro is a powerful information tool that instantly provides relevant information, translations & conversions for any word or value you click on"
    Back UpdatesXUninstall.log.vbsAdded by the VBS.YPSAN.D WORM!
    Backdoor.NuAgentXagent.exeAdded by the AGENT-DP TROJAN!
    Background Intelligent Transfer ServiceXrundll32.exeAdded by the TROJ/VB-ZD TROJAN! - Note: this file is located in the C:\Windows\help folder, and is not to be confused with the legitimate rundll32.exe file!
    BackgroundSwitcherUbgswitch.exeBackground Switcher Powertoy. Included with the last beta version of the XP Powertoys. Whenever a user right clicked his desktop and chose properties he could see a new tab which allowed him to enable a "Desktop Slide Show." This would automatically change the Windows Desktop at an interval specified by the user. Available here
    Backpack UDFNbpudfmon.exeBackpack UDF packet writing software for Microssolutions' Back Pack external CD-RW drive. Similar to DirectCD. Run manually before insert an appropriately formatted CD-RW disk
    Backup ServiceXbackup.svcUnidentified adware
    BackupExecSchedulerUbesch.exeVeritas "Back Up My PC" software
    BackupNotify?backupnotify.exeHP Digital Imaging related. What does it do and is it required?
    BackWebNbackweb.exeAutomatically detects an internet connection and downloads any available updates. Typical on Compaq and HP PC's but not restricted to those OEM's. Resource hog and often causes malfunctions. Available via Start -> Programs
    BackworkNBackwork.exeBackwork trojan detector
    BACPI10Ubacpi10a.exeKnown as "PowerKey" - a minimalistic keyboard driver that allows power management keys on BTC keyboards to function properly in older OS's (i.e. Win95/98/NT4). Also adds an icon to the system tray
    BacsTrayNBacsTray.exeBroadcom Advanced Control Suite - for modems and set top boxes based upon Broadcom chipsets. Not required unless you have networking problems
    BADDATEXBADDATE.EXEAdded by an unidentified VIRUS!
    BagleAVXcsrss.exeAdded by the W32.NETSKY.AB WORM! Note - this is not the valid Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling
    BakraXIEHost.EXE IEDriver adware variant
    BakraXIEHost.exeAdded by the Troj/Multidr-AH TROJAN!
    Band-AidX(path to file)Added by the BACKDOOR.RANKY.O TROJAN!
    BandookXali.exeAdded by the TROJ/EXEMAS-B TROJAN!
    Banpopup by PratikUBanpopup.exeBanpopup - popup killer
    Bar Ding loltXAnaliz.exeAdded by the RBOT-RP WORM!
    bargainsXbargains.exe, bargainbuddy.exeBargain Buddy - advertising spyware installed with Net2Phone & LimeWire amongst others. Some further information here
    Bart Station?station.sbrtRelated to PeoplePC ISP. May be a dialler for dial-up accounts?
    bascstrayNBascsTray.exeBroadcom Advanced Control Suite - for modems and set top boxes based upon Broadcom chipsets. Not required unless you have networking problems
    BatXsecure2.batAdded by the ZCREW.C VIRUS!
    Batchreg1NN/APart of the Windows System Recovery process. Added to the registry via Msbatch.inf. The existence of this key or process after the last reboot during installation indicates an unsuccessful installation, as that key should be deleted automatically. See here
    BatInfExUrundll32.exeDisplays battery status information on an IBM Thinkpad
    Battery ScopeUbatmgr.exeMonitors battery levels on a notebook/laptop PC
    BatteryBarUbatterybar.exeBatteryBar - displays battery usage, and the current percentage of battery power left
    BatzBackXBatzBack.scrAdded by the BACKZAT VIRUS!
    BAUSBUBAUSB.exeBoston Acoustics Audio, USB driver
    bawindoXbawindo.exeAdded by the BEAGLE.AR WORM!
    bawindoXbawindo.exeAdded by the W32.BEAGLE.AU WORM!
    BayMgrUDockApp.exeHot-swappable drive management on laptops allowing you to change drives without closing down Windows. Only required if you frequently swap bay devices 
    BayswapUbayswap.exeHot-swappable drive management on Compaq Notebooks which allows you to swap drives without closing down Windows. Only required if you frequently swap bay devices
    Bayswap2UTbUpdate.exeHot-swappable drive management on Compaq Notebooks which allows you to swap drives without closing down Windows. Only required if you frequently swap bay devices
    BBC News alertsUskinkers.exeBBC News Desktop Alerts service; see here - The BBC News desktop alert and breaking news e-mail services let you find out about all the latest news as it happens.
    bbSysTrayNbbSysTray.exePhilips CD-RW related - "the 'Blue Button' feature gives users the chance to receive convenient online support for their possible device problems or questions"
    bbuiUbbui.exeAOL DSL status monitor displaying a red/green icon indicating if you have a connection
    bcaUbca.exeBeClean Agent - registry, history, temp files, etc cleaner
    BCDetectUbcdetect.exeBcdetect.exe searches the system to make sure Creative drivers are installed for the video card. It loads the BlasterControl when the drivers are detected. Your choice - try it and see
    BCMDMMSGYbcmdmmsg.exeBCM voicemodem driver. Required for dial-up if you have one of these modems
    BCMHalUrundll32.exe bcmhal9x.dll, bcinitBlasterControl for Creative video cards - controls for desktop settings, monitor configuration, colour adjustments and performance tuning. May be needed to retain settings
    BCMSMMSGYBCMSMMSG.exeBCM voicemodem driver. Required for dial-up if you have one of these modems
    bcmwltry?bcmwltry.exeBroadcom Corporation Wireless Network Tray Applet.Is it required?
    bcnswSXX(path to file)Added by a Ranck-AJ trojan infection
    BCNTNbcnt.exeAWS Weatherbug related. What does it do?
    BCPCXbcpc.exe BroadcastPC adware variant
    bcpc_cXbcpc_c.exe BroadcastPC adware variant
    BCTweakUbctweak.exeBlasterControl for Creative video cards - controls for desktop settings, monitor configuration, colour adjustments and performance tuning. May be needed to retain settings
    Bcvsrv32Xbcvsrv32.exeAdded by the W32/AGOBOT-TD WORM!
    BCWipeTMNbcwipetm.exeBCWipe Task Manager - scheduler for BCWipe so that it runs at convenient times. You can set a time for running the task, as well as special options for the task. Run manually when needed
    BDXdc.exeAdded by the Troj/Rasdoor-A TROJAN!
    BDMConYBdmcon.exeEither BitDefender or BullGuard antivirus
    BDNewsAgentYbdnagent.exeBitDefender antivirus - updater
    BDOESRVYbdoesrv.exe Bitdefender 8 antivirus and firewall
    BDSwitchAgentYbdswitch.exe Bitdefender 8 antivirus and firewall
    BearShareNbearshare.exeBearShare file sharing client. Versions known to include spyware - see here
    BeatNik Internet ClockUBeatNik.exe BeatNik_Internet_Clock is a Windows clock add-on that supports 'skins'. It can also synchronize your computer's clock with the atomic clock.
    Beegees UpdateXbeegees.exeAdded by the W32/Sdbot-ADK WORM! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    BeFasterUbefaster3.exe BeFaster internet connection optimization tool
    Belkin PCMCIA WLAN MonitorNmonitorbk.exeBelkin USB Network Adapter Management utility - can be started manually
    BelNotifyU[path] NPBelv32.dll,RunDll32_BelNotify BelTech enables licensees to offer automated, Web-based problem resolution to their end-users. BelTech allows the end-user to simply go to a web page and automatically resolve their problem or point them to the right solution. BelTech Manager allows non-programmers to rapidly and easily deploy and maintain this service.
    Belsta.exe?Belsta.exeConfiguration tool for Belkin wireless network cards. Required to change the card’s configuration. Is it required for correct operation once the confuiguration is changed?
    BeltXBelt.exe Transponder parasite updater/installer
    Benadril Alert ToolXbenadrilalert.exePlug-in for WeatherBug advising when pollen count in your area is high - prompting you to buy Benadril
    BestPopUpKillerNBestPopupKiller.exePopup killer by Swanksoft - not recommended, see Rouge/Suspect_list
    BeSysX[path to the adware program]Added by BeSys ADWARE!
    bgYbullguard.exeBullguard antivirus and firewall. The P2P version is free with KaZaA Media Desktop and Grokster
    BGInfoUBginfo.exe BGinfo automatically displays relevant information about a Windows computer on the desktop's background, such as the computer name, IP address, service pack version, and more.
    BGNewsAgentYbgnewsag.exe BullGuard antivirus updater
    bgsmsndNbgsmsnd.exePrinter driver to generate PDF files from any program
    BHOCopNBHOCop.exeZDNet's BHO Cop that lets you see what browser helper objects are installed. Useful for detecting spyware
    BHODemon 2.0UBHODemon.exeBHODemon "protects you from unknown Browser Helper Objects (BHOs), by letting you enable/disable them individually. When running, it also monitors your Registry and alerts you when a BHO is installed. Best of all, BHODemon knows about the most common BHOs - the good ones, and the not-so-good ones!" If you prefer forgoing resident protection, the application can also be run on demand.
    BI1HelperStartUpUBI1HEL~1.EXE Beach_Islands Screensaver. The freeware version comes with GAIN branded ads (pop-ups and others). ScreenScenes do however offer you the option of doing away with the ads by purchasing the screensaver for a whopping $ 30...
    BIEXRundll32.exe BDSrHook.dll, Rundll32BDplugin parasite
    BigDogPath?VM_STI.EXEBundled with some software for digital cameras that use a USB connection. - what does it do and is it required?
    bigfixNBIGFIX.EXEBigFix can automatically download and read technical support information provided by computer and software manufacturers and other technical support experts (published in the form of Fixlet® Messages) and can automatically check your computer for bugs, configuration conflicts, and security holes. Should only be started manually as it's a resource hog
    BigPond ToolbarUbpumTray.exeTelstra BigPond Toolbar - "Introducing the free and easy to use BigPond Toolbar that is designed to make your internet experience and managing your Telstra internet account a whole lot easier"
    BigPondCableNbpcable.exeTelstra Bigpond Cable login software. Can be started manually.
    BillminderNBillmind.exeCan be setup in Quicken to remind user of due payments. Available via Start -> Programs
    bin32hpuXppstub.exePrecisionPop adware
    bingdianXBingdian.vbsAdded by the BINGD VIRUS!
    Bingo Charm?charms.exeSome kind of screen icon kind of like desk flag, but it gives you a choice of icons?
    BiosXBios32.exeAdded by an unidentified VIURS!
    BIOS XP LoaderX[random file name]Added by the W32/RBOT-IC, ~http://www.sophos.com/virusinfo/analyses/w32rbotic.html WORM!
    BIOS1XBIOS1.EXEAdded by the OPASERV.T VIRUS!
    BIOVCIP?BIOVCIP.exe??
    BitCometNBitComet.exe BitComet P2P client - can be launched from Start Menu > Programs
    BitDefender AntivirusXBITDEFENDERX.EXEAdded by a variant of the W32.SPYBOT WORM!
    BitDefender CommunicatorYxcommsvr.exeBitDefender antivirus
    BitDefender for MSN MessengerUmsnmon.exeBitdefender anti-virus for MSN Messenger. Unless you have MSN Messenger running all the time start it manually
    BitDefender for Yahoo! MessengerUyahmon.exeBitDefender Antivirus for Yahoo! Messenger - free AV add-on for Yahoo! Messenger
    BitDefender Live! InitYbdinit.exeBitDefender antivirus
    BitDefender Scan ServerYbdss.exeBitDefender antivirus
    BitDefender Virus ShieldYvsserv.exeBitDefender antivirus
    bitdefenderliveYavxlive.exeMain program of BitDefender virus scanner/firewall
    BitDefender_P2P_StartupUBitDefender_P2P_Startup.exeBitdefender anti-virus for file transfers via internet messaging clients such as ICQ and MSN Messenger. Unless you have these running all the time start it manually
    BitWare Print MonitorNbwprnmon.exeFaxServe network fax software
    BJ Printer Status MonitorNCjstsr.exeCanon BJ printer status monitor
    BJ Status Monitor 5xxNCJSTRxx.EXECanon printer status monitor - where "xx" is different depending upon the version. Not required as you can check the printer status via My Computer -> Printers
    bjcfdNCFD.exeBroadJump Client Foundation. Broadband troubleshooting software installed by various companies. Not required and you can remove it via Add/Remove programs
    BlackICE PC Protection or BlackIce UtilityNblackice.exeLoads the user interface for the BlackICE PC Protection (was Defender) firewall program. From the parent site - \'(the user interface) starts in the "Startup" menu and adds itself to the taskbar. The user interface is independent from the rest of the system and only displays the output or reconfigures the system. It does not need to be running for the rest of the system to run.\' See also LoadBlackD
    blah serviceXwinupdate.exeAdd by the GAOBOT.BIA WORM!
    blah serviceXwinsysengine.exeAdded by a W32/Rbot-KI worm infection
    blah serviceXsmnp.exeAdded by the RBOT.IZ WORM!
    blah serviceXinternet.exeAdded by a variant of the WIN32.RBOT WORM!
    blah serviceXmsnmsgrr.exeAdded by the RBOT.PZ WORM!
    blah serviceXtazkmgr.exeAdded by the RBOT.UA WORM!
    blah serviceXFaLeH.exeAdded by the W32/Rbot-AES Worm!
    blah serviceXmicrosoft.exeAdded by a variant of the WIN32.RBOT WORM!
    Blah serviceXCCAPPS32.EXEAdded by the RBOT.TV WORM!
    blah serviceXevosys.exeAdded by a variant of the WIN32.RBOT WORM!
    blah serviceXwin32.exeAdded by the W32/Rbot-AXO WORM! Note: This worm file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    blahh serviceXmsengine.exeAdded by a variant of the WIN32.RBOT WORM!
    blahx serviceXmsnjompa.exeAdded by the SDBOT.AML WORM!
    BlazeChangerNFBZPaper.exeEmber graphic file viewer, manager, and touch-up system
    bldbubgNbldbubg.exePart of Dell Alerts which provides customers with an update on latest updates for his/her system
    BlesXbles.exeAdded by the TROJ/BLESH-A TROJAN!
    blinkxUblinkx.exe Blinkx_Desktop "Smart Folders" software
    BLMessagingIntegrationXblengine.exeBuddyLinks adware
    BlockAdsUblads.exeA Tweak-XP component, blocks advertisement banners in Internet Explorer. Can be enabled/disabled via Tweak-XP / Internet Tweaks
    BlockCheckerXBlock-checker.exe BlockChecker adware
    Blocker System611 MonitoringXPopUpBlocker611.exeAdded by the RBOT.BLJ WORM!
    BlockTrackerNBlockTracker.exeIf present on a HP machine it tracks all the processes and logs them to a blocklog.txt file
    blsloaderUblsloader.exeBellSouth ISP Internet_Tools
    blssXblss.exeAdded by the Backdoor.Blarul TROJAN!
    BLSTAPPNblstapp.exePuts access to Creative's BlasterControl in the System Tray
    BlubsterNBlubster.exeRelated to Blubster Music sharing service.
    bluestartXrraut.exeAdded by the VB.GY.2 downloader TROJAN!
    BlueToothAuthentication AgentUrundll32.exe irprops.cpl,,BluetoothAuthenticationAgentAssociated with BlueTooth software, designed to allow bluetooth mobile devices to authenticate to the computer, when connecting a PDA to your computer - necessary for the computer and the PDA to communicate. Should you get the error message, "Rundll irprops.cpl missing entry Bluetooth authentication agent", click here for more information. In case you no longer have BlueTooth support installed, and don't need it, simply uncheck the entry in Msconfig > Startup.
    BluetoothAuthenticationAgentUrundll32.exe bthprops.cpl,,BluetoothAuthenticationAgentAssociated with BlueTooth software, designed to allow bluetooth mobile devices to authenticate to the computer, when connecting a PDA to your computer - necessary for the computer and the PDA to communicate.
    Blueyonder Instant Support ToolUmatcli.exe"matcli.exe is a motive Assistant Command line interface that gathers information about your system\'s identity like your name email address, city, state, etc and gets written to a log file". Blueyonder Instant Support is required to run with the Help and Support program. If you uncheck it and and then run Help and Support it will add another Blueyonder Instant Support in the startup menu. If you remove Blueyonder Instant Support in add/remove programs some help menus in help and support will not be available. You decide
    BMail InstallationNFTP_back.exePart of iMesh - a file sharing system. Reported by Norton AntiVirus as a trojan. Once deleted does not prevent file sharing working. Older versions of iMesh re-instate this but the newer versions do not
    BManXBMan1.exeAbcsearch.com/DealHelper adware variant
    BMMGAGURundll32 PWRMONIT.DLL, StartPwrMonitorDisplays a battery gauge icon in the Taskbar (not the System Tray). Provides shortcuts to IBM's proprietary power saving settings and to a battery information window
    BMMLREFUBMMLREF.EXEBattery Manager for IBM ThinkPad laptops
    BMO MasterCard WalletUEWALLET.EXEThe wallet conveniently stores billing, shipping and payment information on your PC
    BMupdateNBMupdate.exeRelated to BookmarkCentral entry. Typically added after downloading drivers for Visioneer scanners for example, and you install the driver self-install
    BMZXbmz.exenCase adware
    Bndt32XBndt32.exeAdded by the LACON VIRUS!
    BnexeX(random filename)Added by the KITRO.D (or ARGEN.A) VIRUS!
    BO1HelperStartUpUBO1HEL~1.EXEScreenScenes Butterfly_Oasis screensaver. The freeware version comes with GAIN branded ads (pop-ups and others). ScreenScenes do however offer you the option of doing away with the ads by purchasing the screensaver for a whopping $ 30...
    BO1HelperStartUpUBo1helper.exeScreenScenes Butterfly_Oasis screen saver. The freeware version comes with GAIN branded ads (pop-ups and others). ScreenScenes do however offer you the option of doing away with the ads by purchasing the screensaver for a whopping $ 30...
    BoarddataX[path] repcale.exe [path] palsp.exeAdded by a variant of the RANDON.AN WORM!
    BOC412YBOC412.exeVersion 4.12 of NSClean's BOClean anti-trojan software
    BOCleanautostartYBoclean.exeNSClean's BOClean anti-trojan software
    bombshelUBOMB32.EXEPart of McAfee Nuts & Bolts. Protects your Windows system from application failure and crashes - similar to Norton Crashguard. Your choice - may cause problems
    Bonzi BuddyX??Spyware - read here for information and here for removal instructions
    booXboo.exeAdware downloader - detected by Kaspersky antivirus as Trojan.Win32.Favadd.o
    BookedSpaceXbs2.dll,DllRunAdware, related to the Remanent parasite
    BookmarkCentralNBMLauncher.exeBookmark Express - "offers a more flexible way to manage Web site bookmarks, regardless of which browser you use"
    Boost XP ServiceUbxservice.exeBoost XP from Systweak - WinXP tweaking utility 
    bootXboot.exeAdded by the Troj/Puppet-A Trojan!
    Boot ManagerXNjgal.exeAdded by the KILO VIRUS!
    Boot ManagerXbootmng.exeAdded by a variant of the W32.SPYBOT WORM!
    BootCfgXInstall.log.vbsAdded by the VBS.YPSAN.D WORM!
    BootCTRLXbootctrl.exeAdded by an unidentified WORM or TROJAN!
    BootLoaderXBootLoader.exe.vbsAdded by the WATERWORKS VIRUS!
    bootpd.exeXbootpd.exeHijacker - recognized by Kaspersky antivirus as Trojan.Win32.StartPage.vk
    bootpd.exeXbootpd.exeAdded by the Troj/Agent-DT Trojan!
    BootsCfgXDate.POP.vbsAdded by the VBS.KUULLIO WORM!
    BootsCfgXwscript.exe [path] All Users.vbsAdded by the VBS.SPILTRON WORM!
    BootsCfgXwscript.exe [path] All Users.vbeAdded by the VBS.SPILTRON WORM!
    BootsCfgXwscript.exe[path] Install.log.vbsAdded by the VBS.YPSAN.E WORM!
    BootSkin Startup JobsUBootSkin.exe Stardock_BootSkin is a program that allows users to change their Windows 2000 and Windows XP boot screens, free for non-commercial use.
    BootStatusUBOOTST~1.EXEVisual Basic program that pops up a small window on startup telling you how many times the machine has been booted that day.  Once you exit it, it has no more effect on resources
    BootWarnUBootWarn.exeFrom here : "Norton AntiVirus Boot Warning. This program is installed as a startup item when you install Norton AntiVirus, and also sometimes when you do a LiveUpdate which updates Norton AntiVirus significantly enough that a reboot is needed to complete the installation. We believe its purpose to be to warn the end-user that he must reboot his PC before using Norton AntiVirus in those cases when a reboot did not happen with the result that Norton AntiVirus did not fully complete its installation or software updating. Recommendation : Start Norton AntiVirus from “Start \ Programs \ Norton AntiVirus”. If Norton AntiVirus comes up without problems, then fix this entry from the Msconfig Startup tab – it was left behind by mistake and is no longer needed now that Norton AntiVirus is fully installed and opens without error messages."
    boot_regX[path to file]Added by the TROJ/BANCBAN-CA TROJAN!
    Bose Wave/PC MonitorNwavepcmonitor.exeSystem Tray access for this system (more info on the system here). Available via Start -> Programs
    BossIdeaXwinlogin.exeAdded by the TROJ/LINEAGE-I TROJAN!
    Boston?Boston.exePart of the Boston Acoustics USB speaker systems. - What does it do and is it required?
    Bot LoaderXsvchostt.exeAdded by the W32.GAOBOT.ALV WORM!
    Bouncer RunStartupXbouncer.exe VIrtualBouncer malware from Spyware Labs. It is distributed by the same bundling and drive-by download techniques as the parasites it claims to remove, so definitely qualifies as unsolicited commercial software in itself. It also has an update feature that can download and execute arbitrary code. Warning - choose "custom" uninstall as "automatic" may remove other programs
    Bouncer RunStartupXLiveUpdate.exe VIrtualBouncer malware from Spyware Labs. It is distributed by the same bundling and drive-by download techniques as the parasites it claims to remove, so definitely qualifies as unsolicited commercial software in itself. It also has an update feature that can download and execute arbitrary code. Warning - choose "custom" uninstall as "automatic" may remove other programs
    boy lovers of bsdXilikeboys.exeAdded by the MYTOB.LY WORM!
    bpcpost.exeUbpcpost.exeMS TV Viewer Post Setup Program. Part of MS WebTV for Windows. Used to display TV on your PC via a compatible video card with in-built tuner (such as ATI All-In-Wonder). If you don't use it - uninstall it
    BPCv2XBPCv2.exe BroadcastPC adware
    BPCv2_reXbpc2_re_inst.exe BroadcastPC adware variant
    BPKUbpk.exe, nvsr32.exeBlazing Tools Perfect Keylogger (monitoring program). Given a "U" recommendation because it depends if you intentionally installed it. If you didn't treat it as "X" and uninstall or remove
    BPServerNG6FTPSrv.exeBulletProof FTP Server
    BPTXbpt.exe BroadcastPC adware
    BQTray.exeUBQTray.exeSystem Tray access to BurnQuick CD burning software. Only required if you use the queueing facility, hence the U recommendation. Create your own desktop shortcut to start manually
    BrasilXBrasil.exeAdded by the OPASERV.E VIRUS!
    BrasilXBRASIL.PIFAdded by the OPASERV.E VIRUS!
    BrasilOldX(worm filename)Added by the OPASERV.P VIRUS!
    BrctXtrdb.exeReported as Win32.PurityScan.y TROJAN! by Kaspersky Anti-Virus. Class: Trojan-Downloader. Note: Lowers Internet Explorer security settings and downloads unwanted files.
    Break_ReminderUBREAK REMINDER.exeBreak Reminder - Remind yourself to take breaks to prevent computer related injuries. See here
    BregXbcre.exe BroadcastPC adware variant
    BregXbreg.exe BroadcastPC adware variant
    BregXbptre.exe BroadcastPC adware variant
    BridgeXrundll32.exe ...Bridge.dllFlingstone.com browser hijacker
    Brindys BriTrayYBRITRAY.EXEMain process for the following applications: GEDEX, SICARIO, BRINOTES, BRIRESPA, SICURE, TRASGO, UNDOCS, FRESH & BRIFAME (all of them from Brindys Software). Performs the following tasks [un]installation, web software autoupdate, notification windows, interprocess communication, tray bar icons & menus, alarms (brinotes), and common web launching from the mentioned applications. Can be stopped safely once run if so desired
    BrmfRmPAUBrmfRmPA.exeBrother resource manager - needed for a Brother MFC printer/copier/scanner and PC to properly communicate
    Broadband WizardNbbwiz.exeStarts Broadband Wizard so it runs in the System Tray. This application tests and optimizes your Cable or DSL connection. Available via Start -> Programs
    Bron-SpizaetusXCVT.exeAdded by the W32.Rontokbro WORM! Note: This worm\trojan file is found in the Windows\PIF or Winnt\PIF folder.
    Bron-SpizaetusXnorBtok.exeAdded by the RONTOKBRO.B WORM!
    Bron-SpizaetusXElnorB.exeAdded by the RONTOKBRO.D WORM!
    Bron-SpizaetusXbronstab.exeAdded by the RONTOKBRO.C WORM!
    Bron-SpizaetusXsempalong.exeAdded by the W32/Brontok-E WORM! Note: This worm\trojan file is found in the Windows\ShellNew or Winnt\ShellNew folder.
    Bron-SpizaetusXeksplorasi.exeAdded by the RONTOKBRO.J WORM!
    Bron-SpizaetusX[path to file]Added by W32/Brontok-F WORM!
    BrowseProxyNFindService.exeActual Names - "It is now possible to enter a particular word or keyword phrase that is associated with your business, and immediately be directed to YOUR WEBSITE! The Actual Names technology can do this for you"
    browserXmsgaol.exeAdded by the WIN32.TACTSLAY.C TROJAN!
    browserXs_menu.exeAdded by the WIN32.TACTSLAY.C TROJAN!
    browser aidXbrowseraid.exeBrowserAid/BrowserPal foistware
    Browser Help SvcXBHSV.EXEAdded by the W32/Rbot-AVQ WORM! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Browser Hijack BlasterYbhblaster.exeBrowser Hijack Blaster - protects your system from browser hijackers and spyware that alters your IE settings
    Browser LauncherUCommandr.exeLogitech internet keyboard "Commander" software - loads the software for the shortcut keys on the keyboard. Not required unless you want to use the short cut keys
    Browser PalXadblck.exeBrowserAid/BrowserPal foistware
    Browser SentinelUBrowserSentinel.exeBrowser Sentinel. Notifies you if a program wants to penetrate into Internet explorer, add itself to the Windows auto-run list or change your home page. See here
    BrowserWebCheckNloadwc.exeChecks to make sure that IE is still your default browser
    BS PlayerNbsplayer.exe BSplayer - A video player used to play avi, mpg, wmv and other multimedia files.
    BsCLiPNBSCLIP.exeCD recording utility that comes with a lot of CDR/CDRW drives and isn't required
    Bsoft lppt01XBsoft.exeNew variant of the RapidBlaster parasite (in a "BelmontSoft" folder in Program Files). It is not recommended you manually uninstall RapidBlaster but use RapidBlaster Killer - see here
    Bsx3XRundll32.exe bs3.dll, DllRunBookedSpace parasite variant
    BTX(Original Trojan filename)Added by the Troj/Litebot-B TROJAN!
    BT Broadband HelpUmatcli.exe"matcli.exe is a motive Assistant Command line interface that gathers information about your system's identity like your name email address, city, county, etc and gets written to a log file". BT Broadband Help is required to run with the Help and Support program. If you uncheck BT Broadband Help and and then run Help and Support it will add another BT Broadband Help in the startup menu. If you remove the BT Broadband Help in the add/remove program some help menus in help and support will not be available. You decide
    BT00003(2 or 3 or 4)Xhiklmnop27.exeAdded by the Troj/VB-VT TROJAN! Note: This trojan file is found in the Windows or Winnt folder.
    BT00003(5 or 6 or 7)Xabcdefg23.exeAdded by the Troj/VB-VT TROJAN! Note: This trojan file is found in the Windows or Winnt folder.
    btinst?btinst.exeAssociated with an Anycom bluetooth wireless card. What does it do and is it required?
    BTModemProtectionUBTModemProtection.lnkBT Privacy Online modem protection software, see here
    BTSETBOOTKEY?BTSetBootKey.exeRelated to a USB Bluetooth adaptor - what does it do and is it required?
    BtStartUbtstart.exe Broadcorp (formerly WIDCOMM) Bluetooth Connectivity Software
    bttrayUbttray.exeSystem tray icon which shows the status of a BlueTooth wireless module. Most systems with such a module installed can enable/disable the module. The system tray icon changes from blue/white to blue/red when the module is turned off. Allows access to explore bluetooth places, setup wizard, advanced configuration, quick connect and shutdown device
    BTUSRBDGYBtUsrBdg.exeUsed with a Mitsumi_USB_Bluetooth adaptor (and maybe others)
    BTUSRBDGFYBtUsrBdg.exeUsed with a Mitsumi USB Bluetooth adaptor
    BTVXbtv.exe BroadcastPC adware
    BuddyizerNBuddyizer.exePart of the AIMster Peer to Peer (P2P) file sharing application that runs over the AOL Instant Messenger network
    bugwatcher serviceUbugwatcher.exeBugtoaster is a service that sends reports on system/program crashes (certain types) back to Bugtoaster. They relay information to program authors and provide, if available, any known solutions to the crashes. It doesn't take up any room in memory, just activates in the event of certain program failures
    BuildBUNbldbubg.exePart of Dell Alerts which provides customers with an update on latest updates for his/her system
    BuildLabXwinlogon.exeAdded by NEVEG.A WORM! Note - this is not the valid Windows Logon winlogon.exe process
    BuildLabsXcsrss.exeAdded by the WEBUS TROJAN! Note - this is not the valid Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling
    BuildLabsXlsass.exeAdded by a Webus.B trojan infection. Note - this is not the legitimate Lsass.exe system file, which should normally NOT figure in Msconfig/Startup
    Bulldog ServiceUupsd.exeBelkin's Bulldog Plus control software which runs under Windows 95 or later and monitors the UPS (Uninterrupted Power Supply) via a serial or USB link
    BullGuardYmgui.exePart of Bullguard antivirus
    BullGuard UpdateUavxlive.exePart of Bullguard antivirus. Leave enabled unless you manually update virus definitions
    BullGuard XCommYXCOMMSVR.EXEPart of Bullguard antivirus
    BullGuardInitYAVXINIT.EXEPart of Bullguard antivirus
    BullguardoptInYbulldownload.exePart of Bullguard antivirus
    BullsEyeXbargains.exeeXact Advertising BargainBuddy/Bullseye adware
    BullsEye NetworkXbargains.exeeXact Advertising BargainBuddy/Bullseye adware
    BullsEye Tracker?BeTrack.exeBullseye - intelligent research assistant
    BunxXbeagle.exeAdded by the W32/Lebreat-E WORM!
    BurnQuick QueueNBQTray.exeSystem Tray access to BurnQuick CD burning software. Only required if you use the queueing facility, hence the U recommendation. Create your own desktop shortcut to start manually
    Button ServerUbttnserv.exeFound on a Compaq PC, for the extra buttons on the keyboard for the speaker volume, media player, sleep and internet buttons. If the buttons aren't used on the keyboard or your's doesn't have them, then it isn't required
    ButtonKeyNButtonKey.exeCyberView TWAIN driver for the Pacific Image range of 35mm film scanners. Enables the one touch scanning button and places an icon an the System Tray. Use your scanners software or run it manually by creating a shortcut
    BuzmeNBmui.exeBuzme by RingCentral, Inc - internet call waiting. Intercepts telephone calls like an answering machine and plays the voice message on your PC. Only required when you're on-line and via dial-up modem
    BuzMeURCUI.exeDisplay Client for the BuzMe Internet Call Waiting Service.
    Buzof.exeUbuzof.exeBuzof from Basta Computing "enables you to automatically answer, close or minimize virtually any recurring window including messages, prompts, and dialog boxes"
    bxsx5XRunDLL32.EXE bsx5.dllBookedSpace parasite variant
    bxxs5XRunDLL32.EXE bxxs5.dll, dllrunBookedSpace parasite
    Bymer.ScannerXWininit.exeAdded by the BYMER WORM!
    Bymer.ScannerXMsinit.exeAdded by the BYMER WORM!
    cXc:\archiv~1\win.comAdded by the CUYDOC VIRUS!
    C-Media Echo ControlUEchoCtrl.exeC-Media produce audio chipsets that are often found on popular motherboards with on-board audio. You may need it if you use the echo control feature of C-Media Mixer
    C-Media MixerNMixer.exeC-Media produce audio chipsets that are often found on popular motherboards with on-board audio. Provides System Tray access to change audio settings. Available via Start -> Settings -> Control Panel or Start -> Programs
    C2KUCYB2K.EXECYBERsitter 2000 or 2001 -  anti-porn filter primarily. Required if you want the sites you visit filtered without having to load the software every time you launch your browser
    c32cs2Uc32cs2.exe Cyber_Sentinel Internet filtering software
    C7X[name of worm]Added by the W32.MEDIAKILL.A WORM!
    C:\WINDOWS\IEXPLOR.EXEXIEXPLOR.EXE"Pop Marketing" adware
    C:\WINDOWS\VCMnet11.exeXVCMnet11.exe"Windows AFA Internet Enhancement" - a browser hijacker, redirecting to adsourcecorp.com - see here
    C:\WINDOWS\WinTask.exeXWinTask.exe"Pop Marketing" adware
    CA-AMAgentUamagent.exe Unicenter_Asset_Management is a solution for proactively managing IT assets in a business environment. It provides full-featured asset tracking capabilities through automated discovery, hardware inventory, network inventory, software inventory, configuration management, software usage monitoring, license management and extensive cross-platform reporting.
    CaAvTrayYCAVTray.exeeTrust™ EZ_Antivirus system tray application from Computer Associates
    CabchkXCabchk.exeAdded by the GEMA TROJAN!
    Cabchk32XCabchk32.exeAdded by the GEMA TROJAN!
    CABCInstallXCABCInstall.exeCABC content delivery software
    CacheBoostUtrayicon.exe CacheBoost "optimizes the System Cache-Management of Windows XP/2000/NT and Windows .Net Servers, resulting in a performance boost"
    CacheLoaderX(path of filename)Added by the Troj/Dloader-NZ TROJAN!
    CachemanNCacheman.exeFreeware disk cache tweaker from Outer Technologies. Should only be run once and not loaded at start-up
    CacheMgrYCacheMgr.exeSophos Antivirus Remote Update
    CACStarterNcacstart.exeCash A Check - check writing software
    Caddais BackupOnDemandUBODMon.exeCaddais BackupOnDemand - "runs in the background and monitors your important files for changes. Within seconds of changing, modified files are automatically backed up to an archive location"
    CadenzaUCdzSvc.exeCadenza mNotes for Palm and Pocket PC enables users to access Lotus Notes on their mobile devices
    CADSUcads.exeCyber Sentinel internet filtering software
    CAgentNCAgent.exeAbbyy Fine Reader OCR (Optical Character Recognition) software for scanning and converting documents
    cAgOuX(filename).htaAdded by the KAKWORM VIRUS!
    CahootWebcardNCahootWebcard.exe"The Cahoot Webcard is a virtual card that allows you to use your Cahoot credit card online without ever having to expose your real card numbers over the web. It works by generating one-off transaction numbers as a substitute for your real cahoot credit card details". Run manually when needed
    CAISafeYisafe.exePart of Computer Associates eTrust EZAntivirus
    Cal Reminder ShortcutNcalrem.exeProduces a pop-up reminder of events scheduled using the MS Office Calendar
    Calc Microsoft WindowsXwincalc.exeAdded by an unidentied WORM or TROJAN!
    CALC32XCALC32.EXEAdded by the W32/Spybot-EC WORM! Note: This worm\trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    Calendar 200X ReminderNcalendar.exe Calendar200X - shows holidays, reminders of various anniversaries,tasks etc
    CalendarscopeUcs.exe Calendarscope calendar software
    calkXcalk.exeAdded by the TROJ/STARTPA-FH TROJAN!
    CallBumping?cbpopw.exe??
    CallCenter Main ApplicationUV3calmcp.exe"V3 Inc. CallCenter is a free 32-bit, integrated fax, voicemail and data communications application with a simple to use interface providing fax send and receive functionality, basic (single mailbox) answering machine capability, and sophistcated data communications." Main application
    CallCenter Printer InterfaceUV3faxecp.exe"V3 Inc. CallCenter is a free 32-bit, integrated fax, voicemail and data communications application with a simple to use interface providing fax send and receive functionality, basic (single mailbox) answering machine capability, and sophistcated data communications." Fax printer
    CallControlNftctrl32.exeFaxTalk Messenger Pro is a Windows TAPI based 32-bit application. When installed, the software automatically loads FaxTalk CallControl when you start Windows. When FaxTalk CallControl is running, any TAPI compliant application can request to use the modem from Windows
    CamCheckNCamCheck.exeNuCam camera software related
    CamenoUCameno.exe Cameno is a program which brings tabbed windows to MSN Messenger 6.0 and above
    Camera DetectorNCamdetect.exe ACDSee Auto Device Detector detects when a device is connected to your PC and gives you the option to acquire images from it automatically.
    Camera DetectorNCAMDET~*.EXE ACDSee Auto Device Detector detects when a device is connected to your PC and gives you the option to acquire images from it automatically.
    Camera DetectorNDEVDET~*.EXE ACDSee Auto Device Detector detects when a device is connected to your PC and gives you the option to acquire images from it automatically.
    Camio Viewer xNIXApplet.exeImage viewing program that comes with digital cameras. Shows pictures that are in the camera before downloading them. "x" in the name is the version
    CamMonitor?hpqcmon.exeFrom HP and related to digital imaging
    CanadaNCanada.exeKnown to be a dialler - but is it maliscous or clean?
    CanaryNcanary-std.exeCanary monitoring program. Keylogger, monitors all computer activity
    candyXcommand32.exeAdded by the W32/Rbot-LV WORM! Note: This worm file is found in the System (95/98/Me) or System32 (Nt/2000/XP) folder.
    candynetXTaskmsg.exeAdded by the W32/Rbot-NA WORM!
    Canon MultiPASS Status MonitorUmonitr32.exeCannon Multi-Pass status monitor - your choice.
    Canon PC1200 iC D600 iR1200G Status Window?CAPM1LAK.EXECannon printer related - is it required in startup?
    Canon Printer Monitor BJCxxxNCjstlst.exeTrayicon for Canon printer. xxx denotes model. Available via Start -> Programs
    CAP3ON?CAP3ONN.EXECanon driver, purpose unknown - is it required in startup?
    CapfaxNcapfax.exePhoneTools fax software
    CaponYCapon.exeCanon printer driver
    CaponYCaponn.exeCanon printer driver
    CaptionMgr32Xcrssr.exeAdded by the W32.ZAR.A WORM!
    Capture Express 2000Ncapexp.exeCapture Express - screen capture utility
    Card MonitorNREGCNT09.exeFor the USB connection on a Panasonic PV-DV701 Digital Camcorder. Available via Start -> Programs
    Care20XCare20.exe TopMoxie adware
    Care2GTUUCare2GTU.exeCare2 Green Thumbs-Up (from the Care2 site). Every online purchase helps environmental causes; tells you how eco-friendly a company really is, thanks to over 200 company profiles from Coop America. Saves 1 square foot of rainforest every day you use it. If it works and you like it keep it
    CARPserverXCARPserver.exeAdded by the TROJ/BANKER-AN TROJAN!
    CARPserviceUcarpserv.exeAssociated with Zoltrix modems - enables the internal modem speaker, allowing you to listen to the dial-up sounds for example
    cartaoX[path to file]Added by the TROJ/DLOADER-QD TROJAN!
    cartaoXconflicted.exeAdded by the TROJ/DADOBRA-DV TROJAN!
    cartaoXkilling.exeAdded by the TROJ/DLOADER-QN TROJAN!
    CAS ClientXcasclient.exe CasinoClient adware
    CasAgntUCasAgnt.exeProgram by Extended Systems which allows you to sync your Casio PDA with your PC
    CasdvqwaXbmqnzkg.exeAdded by the RANDEX.BE VIRUS!
    caseyvideoXCaseyVideo.exemalware causing p0rn popups
    caseyvideo[*] (* = digit)Xcaseyvideo[*].exe (* = digit)malware causing p0rn popups
    CashBackXcashback.exeeXact Advertising BargainBuddy/CashBack adware
    CashFiestaXCashfiesta.exe CASHFIESTA.A pay-per-surf adware
    Cashsurfers Cashbar NavigatorNCashbar.ExeCashsurfers CashBar Navigator - "The CashBar rotates banner advertisements once per minute and provides you with access to up to date special offers and deals"
    CashToolbarXCD_Load.exe"CashToolbar" Downloader-MY TROJAN!
    CashToolbarXsvchost.exe"CashToolbar" Downloader-MY TROJAN! - Note - this is NOT the legitimate Windows svchost.exe process, which should NOT figure in Msconfig/Startup!
    CassandraXcassandra.exe Melkosoft_Cassandra adware - also detected as a variant of the WIN32.KREPPER TROJAN!
    Cassandra and or Control handlerX(10 to 14 random)THD.EXEAdded by the Troj/Krepper-AI Trojan!
    CasStubXcasstub.exeAdded by the Troj/Cass-A TROJAN!
    CAVRIDYCAVRID.exeeTrust™ EZ_Antivirus Real Time Infection Report from Computer Associates
    CAVSYCAVS.exeCheyenne, ( now eTrust ) antivirus
    CAZNOVASXCAZNOVAS.exeAdded by the CAZNO VIRUS!
    CBACK.EXEXCBACK.EXEAdded by the Troj/Penta-A TROJAN!
    CBWAttnUCBWAttn.exeRequired for Bitware to answer incoming faxes, can cause sleep mode problems
    CBWHostUCBWHost.exeRequired for Bitware to answer incoming faxes, can cause sleep mode problems
    CBWUser?CBWDial.exeAssociated with Bitware that integrates fax, voice, pager, and data communications on your desktop
    CC2KUIXcomet.exeComet Cursor - displays different mouse pointers dependent upon the site your visiting. Malware because it automatically installs. See here for more information and for the uninstall procedure
    ccAppYccApp.exePart of Norton AntiVirus 2003. Auto-protect and E-mail check will not function without this
    ccAppX(random filename)Added by the OBSORB VIRUS! Note the random filename compared to the valid Norton AntiVirus entry above
    ccAppXWMADZ.EXEAdded by the W32/RBOT-LJ WORM!
    ccAppX.EXEAdded by the W32/RBOT-LJ WORM!
    ccAppXgcasServ.exeAdded by a variant of the WIN32.RBOT WORM! - do NOT confuse with the Microsoft AntiSpyware executable of the same name as described here
    ccApprXsvcrhost.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccApprXoutIook.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccApprXexpIorer.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccApprXsvcshost.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccAppsXservices.exeAdded by the NEVEG.B or NEVEG.C WORMS! Note - this is not the valid Windows Service Controller (services.exe) process
    ccAppsXwinlogon.exeAdded by NEVEG.A WORM! Note - this is not the valid Windows Logon winlogon.exe process
    ccAppsXccApps.exeAdded by the W32/KANGAROO-B WORM!
    CCD ManagerUDDS.EXEProject Labs Century CD manager for their CD/DVD storage device
    CcdecodeNrundll32.exe streamci, StreamingDeviceSetupPart of the closed caption decdoder/MS VBI codec. Should only run once
    CCDoctorLogonTestingYccdoctor.exeChecks your system to make sure it's configured properly for running Rational ClearCase, a source code management tool. ClearCase is fairly sophisticated so there are a lot of system-related things that can cause it grief. If you run ClearCase you should not disable this as it provides a valuable service, but technically it isn't required to use the ClearCase product
    ccenterYCCenter.exe RAV AntiVirus
    CcEvtMgrYccEvtMgr.exePart of Norton AntiVirus 2003.Event manager for scheduling weekly scans and or automatic virus updates. Used to start automatically via "ccApp" and was not required as a seperate entry but a recent update changed this
    ccEvtMrg.exeXccEvtMrg.exeAdded by the RBOT.GZ WORM!
    ccExecuteXbootcfg1.exeAdded by the W32/NEMSI-B VIRUS!
    ccHelpXccHelp.hta "Searchq" adware
    ccpAppsXcsrss.exeAdded by the WEBUS TROJAN! Note - this is not the valid Client Server Runtime Subsystem csrss.exe process, which provides text window support, shutdown, and hard-error handling
    ccpAppsXlsass.exeAdded by a Webus.B trojan infection. Note - this is not the legitimate Lsass.exe system file, which should normally NOT figure in Msconfig/Startup
    ccProxyUCCPROXY.EXEPart of Norton Internet Security, proxy server that is used to support the parental controls. If you turn parental controls off at user level the process is not loaded. Reported to cause excessive CPU usage.
    CcPxySvcYCCPXYSVC.exePart of Norton's AntiVirus 2003, Internet Security and Firewall products. E-mail proxy service - required for E-mail scanning and the firewall
    ccregXexplorer.exeAdded by the ZCREW VIRUS! Note - this is not the valid explorer.exe
    CcRegVfyYccRegVfy.exePart of Norton AntiVirus 2003. "ccRegVfy.exe is responsible for checking the integrity of the NAV registry entries to make sure that the information has not been changed by a malicious threat or a hack"
    ccRegVfYXsvcrhost.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccRegVfYXoutIook.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccRegVfYXexpIorer.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccRegVfYXsvcshost.exeAdded by the WIN32.TACTSLAY.A TROJAN!
    ccSetMgrYccSetMgr.exePart of Norton AntiVirus 2004. What does it do?
    ccsvit.exeXccsvit.exeAdded by the Troj/StartPa-HP TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    ccUpdateXccUpdate.exeAdded by the AGOBOT.YS WORM!
    ccWasherUaolwasher.exeWebroot Cache & Cookie Washer - cleaning browser tracks, including cache, cookies, history, mail trash, drop-down address bar, auto-complete forms and downloaded program files for IE, Netscape and AOL
    CCWC7aUac.exeCache, Cookie & Windows Cleaner Ver. 7, Auto clean. Created by moleculesoft
    CCWC7IUidxl.exeCache, Cookie & Windows Cleaner 7 created by moleculesoft.com
    CCWC7sUstealth.exeCache, Cookie & Windows Cleaner 7, stealth mode. Created by moleculesoft
    CD Storage MasterNcdstorager.exe CD_Storage_Master - a program designed to catalog CD information, boasts a number of handy features for organizing your collection.
    cd1Xcd1.exePremium rate adult content dialer
    CDANTSRVNCDANTSRV.exeC-Dilla License Management software. Used for any program that uses C-dilla Protection, example: 3D Studio Max 4.x. It loads as a service automatically but is not needed unless you run said program. Can be started and stopped manually
    CdcompatXCdcompat.exeAdded by the GEMA TROJAN!
    cddrv32Xcddrv32.exeAdded by a Crypter.C trojan variant infection
    CDInterceptorNcdi.exeCD indexer for measuring the speed of CD players
    Cdrom ControllerXcdromcntrl.exeAdded by the TROJ/BATTRY-A TROJAN!
    cdsXcds.exeAdded by the Backdoor.Spymon TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    CDTrayNCDTray.exeOn HP PCs, this is the small CD icon next to the time
    CeEKEY?CeEKey.exeToshiba Satellite E-Key related. Is it required?
    CeEPOWERUcepmtray.exeToshiba\'s Power Management Utility - allows the user to setup different profiles for both AC power and Battery Power on laptops. Contols CPU speed, Monitor Shut Off, Hard Drive Shut-Off, Monitor Brightness, System Stand-by and System Hibernate times
    Ceic?Ceic.exe??
    CekirgeX(path to worm)Added by the KERGEZ.A VIRUS!
    centerX[random name]32.exeAdded by the W32.BOFRA.A WORM!
    CentralProcessorXtaskimgr.exeAdded by the BANCOS.J VIRUS!
    CEPA?wsot.exe??
    cesmain.dllXcmail.dll, Rundll32CnsMin (Chinese_Keywords) related
    CEventMgrXCell.exeAdded by the Troj/Bifrose-AK TROJAN!
    CFDNCFD.exeBroadJump Client Foundation. Broadband troubleshooting software installed by various companies. Not required and you can remove it via Add/Remove programs
    CFDStartXWinMuschi.exeWINMUSCHI dialler
    cfgboostXcfgboot.exeAdded by an unidentified WORM or TROJAN!
    cfgintprYcfgintpr.exeConfiguration Interpreter - part of Tiny Personal Firewall V4
    cfgmgr51XRunDLL32.EXE [path] cfgmgr51.dll,DllRun BookedSpace adware variant
    cfgmgr52XRunDLL32.EXE [path] cfgmgr52.dll,DllRun BookedSpace adware variant
    cfgwizNcfgwiz.exeIntroduced with Norton Anti-Virus 2002, this is a real resource hog. Many NAV users will find they can live without loading it
    cFosDNT?cFosDNT.execFos DSL Modem driver related. What does it do and is it required?
    cFosInst_Check?cfosinst.execFos DSL Modem driver related. What does it do and is it required?
    cFosSpeedUcFosSpeed.exe cFos_Software Internet acceleration program related. Note: May be necessary for the software to work properly.
    cftmon32Xtaskmgr#.exeAdded by the SOWSAT.C and SOWSAT.J VIRUSES! where # is a number greater than or equal to zero
    cfyXcfy.exeSurfenhance.com SearchForIt adware variant
    CGServerUcgserver.exeAssociated with an Eicon Networks ISDN or ADSL modem. Call Guard Server (CGserver) watches your modem and blocks incoming or outgoing calls. You need cgard.exe (from Startmenu) to configure cgserver with rules and telephone numbers. Good against unwanted dialer programs
    Cgtask ServicesXcgtask.exeAdded by the LALA.B VIRUS!
    CgywinXcgywin32.exeAdded by the W32/Rbot-AEI Worm!
    ChamClockUChamClock.exeChameleon Clock - system tray clock replacement
    change-me-nowXmsgfix1.exeAdded by the SDBOT.ZD WORM!
    ChangeICONUSPMSMON.EXECard reader related program. Note: May cause problems with My Computer loading at startup. Disabling through MsConfig seems to solve the problem.
    ChangeLines?chngline.exe??
    ChatangoNChatango.exe Chatango "allows people to be connected in real time through their Web browsers. Include your Chatango contact link or button when you create eBay auctions, blogs, personal websites, Friendster profiles, and your visitors will be able to contact you instantly, without downloading anything, or registering. Alo use it to send email to your friends, allowing them to respond to you in real time!." The 'MessageCatcher' icon in the System Tray notifies you when you get a message. When you get a message, a little alert pops up, which you can click on and start chatting immediately.
    ChcenterNchcenter.exeIMSI HiJaak - "the easiest way to convert, capture, and manage all your graphic files"
    che32Xche.ocx.vbsAdded by the WM97/Adenu-B VIRUS!
    CheatleXGigaByte.exeAdded by the SHODI.B VIRUS!
    Check for One Touch UpdateNwiseupdt.exeChecks for updates for Visioneer OneTouch scanners
    Check for TWS UpdatesNWiseUpdt.exeInteractive Brokers - check for update to their standalone Java-based trading platform
    Check MessengerUcmesseng.exeCheck Messenger from Qchex.com - program that helps you manage the activity of your Qchex account
    CheckCustomWorksUpdateNCheckCWupdate.exeUpdate checker, part of CustomWorks - "customize any embroidery designs to design your own unique creations"
    CheckdiskXmscas.exeAdded by the Troj/Vagon-A TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    CheckdiskXmscas.exeAdded by the W32/VAGON.A-TR downloader TROJAN!
    CheckItUToolBox.exeCheckIt Toolbox from WinCheckIt Diagnostic Software. Toolbox automatically backs up critical system files (such as .ini files and the Windows Registry), and performs a check on various system parameters at intervals you specify
    CheckIt 86UCheckIt86.exe CheckIt_86 popup blocker
    CheckMsgPlusYMsgPlusH.dll, VerifyInstallationAdded by MSN Messenger Plus, a third party extension to MSN Messenger. This is the auto-update feature - see here for more info.
    checkrunXelite***32.exe (* = random char) EliteBar adware
    checkrunXelitelsj32.exeAdded by the Troj/Multidr-ER TROJAN! Note: This trojan file is found in the System (95/98/ME) or System32 (NT/2000/XP) folder.
    CheckScan32Xregload16.exeAdded by the AEBOT.K WORM!
    checktime?ct.exeFound in the \HPSelect\Frontend\ directory on a HP machine. What is it's purpose and is it required?
    CheckVCRYIOMagic.exeDriver for the I/OMagic Personal Video Recorder (DR-PCTV100)
    CherryKeyManUKeyMan.exeMultimedia keyboard manager for the Cherry keyboard series. Only required if you use any of the special keys
    china11msnXCHINA11MSN.EXEAdded by the W32.ENVID.O WORM!
    ChineseStarUcstar.exeChinese language support software
    CHIPDRIVEPinManagerUsokscmpn.exe ChipDrive Smartcard software
    CHIPDRIVESmartcardManagerUSCMgr.exe ChipDrive Smartcard software
    CHKADMINNCHKADMIN.EXECompaq Network Management System. When running, it places an icon in the system tray titled "Intelligent Manageability"
    chkhbciNchkhbci.exeSmart Card reader software for Omnikey readers
    ChokeXChoke.exe-blahhAdded by the CHOKE VIRUS!
    chopeXrunlli32.exeAdded by the Troj/QQPass-U TROJAN! Note: This trojan file is found in the System (95/98/Me) or System32 (Nt/2000/XP) folder.
    chostsvXchostsv.exeAdded by the BANPAES.C VIRUS!
    CHotKeyUmhotkey.exeEnables special keys on Chicony keyboards. Special combinations include Internet, E-mail, vol , vol-, mute, etc. Only required for extended features
    CHotKeyUzHotkey.exeEnables special keys on Chicony keyboards. Special combinations include Internet, E-mail, vol , vol-, mute, etc. Only required for extended features
    CHotKeyUMK9805.EXEEnables special keys on Chicony keyboards. Special combinations include Internet, E-mail, vol , vol-, mute, etc. Only required for extended features
    Christmas Music PlayerNTTEST6.EXE"Christmas Music Playerbrings the music of the Christmas Holiday to your desktop"
    ChromeMark?keysh.exeRelated to this. Don't know what keysh.exe does though and if it's required
    ChronitelInitTV?CHTVINIT.EXE??
    CiaBackdoorXmsldr.comAdded by a VIRUS!
    cihost.exeXcihost.exeAdded by the LINST VIRUS!
    CIJxP2PSERVERNCIJxP2PS.EXECompaq printer utility which is required in order to make the printer work correctly - "x" depends upon the model, ie, for IJ300 x=3, for IJ700 x=7
    Cisco Systems VPN ClientUipsecdialer.exeThe Cisco VPN_Client Lets local users gain Administrator privileges on the operating system
    Cisco Systems VPN ClientUvpngui.exeSets up IPSec communications for Cisco's VPN_Client
    CISrvr ProgramNCISRVR.EXERelated to internet setup on Compaq PC's
    CissiXCissi.exeAdded by the CISSI.A VIRUS!
    CitiUCSUCitiUCS.exeCitibank Virtual_Account_Numbers
    CitiVANNCitiVAN.exeOption from Citibank to change a credit card number in a random fashion for each purchase. The number will only be used once and never again
    CJETXCJet.exeAdded by the Adware.FFToolBar adware toolbar.
    CjstcomYCjstcom.exeCanon printer BJ status language monitor
    ClamWinYClamTray.exe ClamWin antivirus
    ClassesXintl.exe "Switch" adult content dialler
    ClassesXrun_21.exe "Switch" adult content dialler
    ClassesXint1.exe "Switch" adult content dialler
    ClassesXsrv.exe "Switch" adult content dialler
    ClassesXsrv2.exe "Switch" adult content dialler
    ClassesXmstart.exe "Switch" adult content dialer
    ClassesXMSTAR2.EXE "Switch" adult content dialer
    CLBOOT32UCLBOOT32.EXE PC-Duo_Remote_Control from Vector. "System Snapshot provides a detailed inventory of a Client's hardware configuration. It includes information on CPUs, memory, operating systems, printers, display drivers, disk size and free space, network details and much more!". For tech support users to provide remote assistance
    CLCLSetUCLCL.exeCLCL clipboard caching utility
    CleanEasyImg?cleanall.exe??
    CleanRegPath?CleanReg.exeApparently Annex A ADSL modem related - what does it do and is it required?
    CleanSweep Smart Sweep- Internet SweepUCsinsm32.exeAutomatic logging of installs from Norton CleanSweep - available via Start -> Programs
    CleanSweep Useage WatchNCSUSEM32.EXEQuarterdeck/Norton CleanSweep component - tracks how often you use files and alerts you to files that have not been used for a specified period of time
    CleanTempUCLEANT~1.EXEBCleanTemp.exeCleanTemp - deletes the contents of the TEMP directory when Windows starts and then closes - using no memory
    CleanupNONICTASK.EXEInternet Cleanup from Aladdin Systems (used to be by OnTrack) - cleans up tracks left by browsing the internet
    CleanUpY