Comment supprimer le virus taskmgr.exe

Bonjour,
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 12:46:41, on 11/11/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Portrait Displays\HP Display Assistant\DTSRVC.exe
C:\Program Files\Symantec\Norton Ghost 2003\GhostStartService.exe
C:\Program Files\McAfee\Common Framework\FrameworkService.exe
C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
C:\Program Files\RealVNC\WinVNC\WinVNC.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\WScript.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\THe Girls\Ecran.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\WINDOWS\system32\Ecran.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.lo.st
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://toolbar.ask.com/toolbarv/askRedirect?o=13157&gct=&gc=1&q=
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.lo.st
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Search_URL = http://toolbar.ask.com/toolbarv/askRedirect?o=13157&gct=&gc=1&q=
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://toolbar.ask.com/toolbarv/askRedirect?o=13157&gct=&gc=1&q=%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Piraté par WillPolo ---- Ingénieur en hacking -------- fuck u ----------
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 10.8.8.99:3128
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: DefaultSearchHook Class - {C94E154B-1459-4A47-966B-4B843BEFC7DB} - C:\Program Files\AskSearch\bin\DefaultSearch.dll
O1 - Hosts: 195.154.198.5 vscanasap.mondsi.com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: EoRezoBHO - {64F56FC1-1272-44CD-BA6E-39723696E350} - C:\PROGRA~1\EoRezo\EoAdv\EOREZO~1.DLL (file missing)
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files\McAfee\VirusScan Enterprise\scriptcl.dll
O4 - HKLM\..\Run: [FIXEDFON.FON] "C:\WINDOWS\system32\Win32.vbs"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Avg_AntiHost] "C:\WINDOWS\system32\THe Girls\Ecran.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O17 - HKLM\System\CCS\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: Domain = cp.finances.gouv.ci
O17 - HKLM\System\CCS\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: NameServer = 10.8.8.156
O17 - HKLM\System\CS1\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: Domain = cp.finances.gouv.ci
O17 - HKLM\System\CS1\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: NameServer = 10.8.8.156
O17 - HKLM\System\CS2\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: Domain = cp.finances.gouv.ci
O17 - HKLM\System\CS2\Services\Tcpip\..\{8AE2347D-37AF-49EC-A4B6-304680A1E0D4}: NameServer = 10.8.8.156
O23 - Service: Portrait Displays Display Tune Service (DTSRVC) - Unknown owner - C:\Program Files\Portrait Displays\HP Display Assistant\DTSRVC.exe
O23 - Service: GhostStartService - Symantec Corporation - C:\Program Files\Symantec\Norton Ghost 2003\GhostStartService.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - McAfee, Inc. - C:\Program Files\McAfee\Common Framework\FrameworkService.exe
O23 - Service: McAfee McShield (McShield) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
O23 - Service: McAfee Task Manager (McTaskManager) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
O23 - Service: Oracle%ORACLE_HOME_SERVICE%ClientCache80 - Unknown owner - C:\ORANT\BIN\ONRSD80.EXE
O23 - Service: OracleClientCache80 - Unknown owner - C:\ORANT\BIN\ONRSD80.EXE
O23 - Service: VNC Server (winvnc) - RealVNC Ltd. - C:\Program Files\RealVNC\WinVNC\WinVNC.exe