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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



Startup Name Process Name Details
X.svchostCSRSS.EXE"Added by the WEBUS.F TROJAN! Note - this worm replaces the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup!"
X.TEXTCONVcsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
X.WMAudiocsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
X27csrss32.exe"Added by the SLSORVE-D TROJAN!"
XAdRotator.Application[path to csrss.exe]"Added by the SMALL-AQ TROJAN! Note - this worm replaces the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup!"
XALMcsrss32.exe"Added by the ANACON-D VIRUS!"
XApplicationcsrss.exe"Added by the BEAGLE.EG WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
Xargq32csrss_32.exe"Added by the RBOT-CPM WORM!"
XASP.NET State Servicecsrss.exe"Added by the DLOADER-QI TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
UAtiSoundcsrss.exe"WinSpy surveillance software. Uninstall this software unless you put it there yourself. Note - this is not the same file as the csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""ComRoot"" subfolder"
XAVManagercsrss.exe"Added by the AUTORUN-DV WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ~A~m~B~u~R~a~D~u~L~ subfolder"
XBagleAVcsrss.exe"Added by the NETSKY.AB WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XBuildLabscsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XccpAppscsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XClickTheButtoncsrss.exe"ClickTheButton adware. Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""drivers"" subfolder"
XClient Server Runtime Processcsrsss.exe"Added by the SDBOT-LD WORM!"
XConsole de Gerenciamento Microsoftcsrss.exe"Unidentified malware! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""Level4"" subfolder"
XConsole de Gerenciamento Microsoftcsrss.exe"Added by the BANCBAN-ET TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""Central de Segurança"" subfolder"
XCSRSSCSRSS.EXE"Search page hijacker
XCsrsscsrss.exe"Added by the CHOD WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a random subfolder"
Xcsrsscsrss.exe"Added by the KEYLOG-AQ KEYLOGGER! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
Xcsrsscsrss.exe"Added by the CHODE-J WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a random subfolder"
Xcsrssmsmsgs.exe"Added by the CHODE-J BACKDOOR! Note - this malware uses MSN Messenger (which is located in %Program Files%\Messenger) in the background to propogate itself"
Xcsrssnwiz.exe"Added by the CHODE-J WORM!"
Ucsrsscsrss.exe"BeyondKeylog surveillance software. Uninstall this software unless you put it there yourself. Note - this is not the same file as the csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %ProgramFiles%\Supremtec"
XCsrssCSRSS.EXE"Added by the PUNYA-B WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in C:\Documents and Settings\Administrator\Local Settings\Application Data\WINDOWS"
Xcsrssssms.exeAdded by an unidentified malware
XCsrss Hostcsrhost.exe"Added by the IRCBOT.BIZ WORM!"
XCSRSS Loadercsrsss.exe"Added by the AGOBOT.TX WORM!"
Xcsrss.execsrss.exe"Added by the DALBUG WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XcsrssLevel4csrss.exe"Unidentified malware! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""Level4"" subfolder"
XCSRSSUCSRSSU.exe"CoolWebSearch parasite variant - hijacking to Slawsearch.com. Also detected as the CWS-E TROJAN!"
XCSRSSWCSRSSW.EXE"Added by the CWS-F TROJAN!"
XDIECOXcsrss.exe"Added by a variant of the ATM.GEN TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup!"
XExplorer.execsrss.exe"Added by the JUEGO-B WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %AppData%\Microsoft"
XFiendlyTypecsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XFirewallActiviescsrss.exe"Added by the BANKER-AQ TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""3041"" subfolder"
XJnskdfmf9eldfdcsrssc.exe"Added by the AGENT.EBC TROJAN!"
XKernellAppscsrss.exe"Added by the BANCBAN-AC TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""System"" subfolder"
XKey Loggercsrss.exe"Added by the BUCHON.A WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in the root folder (ie
XKrnlcheckcsrss.exe"Added by the BOTNACHALA TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XLogonCSRSS.EXE"Added by the BRONTOK-BH WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in Documents and Settings\<User>\Local Settings\Application Data\WINDOWS"
XLogonAdministratorCSRSS.EXE"Added by the KORRON.B WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in Documents and Settings\<User>\Local Settings\Application Data\WINDOWS"
XLogonrepclient1CSRSS.EXE"Added by the BRONTOK-BT WORM and variants! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in Documents and Settings\<User>\Local Settings\Application Data\WINDOWS"
XLogonsaracsrss.exe"Added by the BRONTOK-BS WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in Documents and Settings\<User>\Local Settings\Application Data\WINDOWS"
XMicrosoft Client/Server Runtime Server Subsystemcsrssa.exe"Added by a variant of the AGOBOT/GAOBOT WORM!"
XMicrosoft CSRSS Servicensmscrs.exe"Added by the RBOT-BPT WORM!"
XMicrosoft CSRSS32 Protocolcsrss32.exe"Added by a variant of the AGOBOT/GAOBOT WORM!"
XMicrosoft CSRSS386 Protocolcsrss386.exe"Added by a variant of the SPYBOT WORM!"
XMicrosoft DLL Verifiercsrssv.exe"Added by the RBOT-ATK WORM!"
XMicrosoft Update Servicecsrss32.exe"Added by the AGOBOT-HC WORM!"
XMicrosoft Windows CSRSScsrss.exe"Added by the KALEL-A WORM! Note - this worm replaces the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup!"
XMicrosoft Windows Update Clientcsrss.exe"Added by the KEBEDE-G WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%\Systems32"
XMicrosoft Word Profissionalcsrss.exe"Added by the BANCBAN-DB TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""s1613"" subfolder"
XMicrosoft Word Profissionalcsrss.exe"Added by the BANKER-DJ TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""protect"" subfolder"
XMicrosoft Word Profissionalcsrss.exe"Added by the BANKER-DP TROJAN! ! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""JavaVM"" subfolder"
XMicrosoftSourceSafecsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XNAV Auto Updatescsrssp.exe"Added by a variant of the SDBOT WORM!"
XNorton Protect Activiescsrss.exe"Added by the BANKER-CZ TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""D5133"" subfolder"
XNTDLMcsrss.exe"Added by the HALE TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""Qossrv"" subfolder"
XProgcsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XRegDone Excsrss.exe"Added by the WEBUS TROJAN! Note - this is not the legitimate csrss.exe process which should not normally figure in Msconfig/Startup!"
XRegWritecsrss.exe"Added by the SOKACAPS TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%\Media"
XRPCserv32gCSRSS.EXE"Added by the BOBAX.AD WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
Xrundll32csrss.exe"Added by the GUTTA TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XRunnercsrss.exe"Added by the ADCLICK-AG TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XRuntime ProcessCsrss.exe"Added by the CIADOOR-J BACKDOOR! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XRuntime Server Subsystemcsrss.exe"Added by the IRCBOT-XV WORM!"
XSernellApp.pcxcsrss.exe"Added by the BANCBAN-BJ TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""D5133"" subfolder"
XServicescsrss.exe"Added by a variant of the RANKY.U TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup!"
XServicescsrss32.exe"Added by the ANACON-D VIRUS!"
XShockwavecsrss.exe"Added by the SNDOG WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
Xsmss.execsrss.exe"Added by the DALBUG WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XState Servicecsrss.exe"Added by the DADOBRA-CP TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XSystemcsrss.exe"Added by the LDPINCH.E TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XSystem CSRSS Patchscrtkfg.exe"Added by the RBOT-ADA WORM!"
XSystem Log Eventcsrss32.exe"Added by the AGOBOT-JI WORM!"
XSystem Processcsrss.exe"Added by the ADCLICK-AG TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XSystem Update Servicecsrss32.exe"Added by the AGOBOT-HI WORM!"
XSystem32csrss.exe"Added by the SILLYFDC WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""drivers"" subfolder"
XSystemDrivercsrss.exe"Added by the ASCETIC.B TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%\addins\explorer"
XSYSTEMSars32csrss.exe"Added by the AHLEM.A WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XTaskMrgcsrss.exe"Added by the LDPINCH-W TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XUpdatecsrss.exe"Added by the ADCLICK-AG TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XUpdatecsrss.exe"Added by the MEHEERWAR TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""winupdate"" subfolder"
XUpDaTercsrss.exe"Added by the AUTORUN.DIB WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ~A~m~B~u~R~a~D~u~L~� subfolder"
XUpdater Service Processcsrss32.exe"Added by the AGOBOT-GP BACKDOOR!"
XWinCSRSSMSGRT32.EXE"Added by the REWINDO-A TROJAN!"
XWindows 2004csrss.exe"Added by the BANKER-DY TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %ProgramFiles%\Windows 2004\Tools"
XWindows Client Service 32csrss.exe"Added by the RBOT-ALB WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a drivers\winsdriver subfolder"
XWindows Explorer SP2csrss.exe"Added by the BANKER-DM TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""JavaBeans"" subfolder"
XWindows Updatecsrss.exe"Added by the BANKER-HM TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%"
XWindowsExplorercsrss.exe"Messenger Blocker rogue security software - not recommended. Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %ProgramFiles%\Common Files\System"
XWindowsupdate Servicecsrss.exe"Added by the BABA-B WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in the root folder (ie
Xwinprotectionccsrss.exe"Added by the SILLYFDC.BBT WORM!"
XWinUpdateAdministratorCSRSS.EXE"Added by the PUNYA-A WORM! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in C:\Application Data\WINDOWS"
UWinUpdateProtectioncsrss.exe"EmployeeWatch is a commercial surveillance software program designed to monitor user activity on a computer. Note - this is not the same file as the csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a subfolder of C:\windowsupdate\ufp"
XWinXPcsrss.exe"Added by the BANCOS-AG TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %ProgramFiles%\WinXP\Tools"
XWinXP-98CSRSS.exe"Added by the BANKER-DS TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %ProgramFiles%\WinXP-98\Tools"
UZoneUpdatecsrss.exe"WinSpy surveillance software. Uninstall this software unless you put it there yourself. Note - this is not the same file as the csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in a ""ComRoot"" subfolder"
X_SystemDrivercsrss.exe"Added by the ASCETIC.B TROJAN! Note - this is not the legitimate csrss.exe process which is always located in %System% and should not normally figure in Msconfig/Startup! This one is located in %Windir%\addins\explorer"


DISCLAIMER: It is assumed that users are familiar with the operating system they are using and comfortable with making the suggested changes. I will not be held responsible if changes you make cause a system failure.

This is NOT a list of tasks/processes taken from Task Manager or the Close Program window (CTRL+ALT+DEL) but a list of startup applications, although you will find some of them listed via this method. Pressing CTRL+ALT+DEL identifies programs that are currently running - not necessarily at startup. For a list of tasks/processes you should try WinTasks 5 Standard/Professional from LIUtilities or the list at AnswersThatWork. Therefore, before ending a task/process via CTRL+ALT+DEL just because it has an "X" recommendation, please check whether it's in MSCONFIG or the registry first. An example would be "svchost.exe" - which doesn't appear in either under normal conditions but does via CTRL+ALT+DEL. If in doubt, don't do anything.