Hijackthis/ Ctrl+Alt+supp ne marche pas

Bonjour,
Je pense que mon ordinateur est infecté par un certain virus appele winjpg.jpg aussi bien qu'un virus dont le nom est win.exe.
Je signale aussi que gestionnaire des taches ne veut pas demarrer en cliquant sur Ctrl+Alt+Supp
voici le rapport du hijackthis.
SVP, comment faut il proceder

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:53:57, on 10/04/2009
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:\WINDOWS\Explorer.EXE
C:\Program Files\TOSHIBA\Commandes TOSHIBA\TFncKy.exe
C:\Program Files\TOSHIBA\ConfigFree\NDSTray.exe
C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Norton AntiVirus\Engine\16.0.0.125\ccSvcHst.exe
C:\Program Files\TOSHIBA\TOSHIBA Applet\TAPPSRV.exe
C:\Program Files\Norton AntiVirus\Engine\16.0.0.125\ccSvcHst.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\wscript.exe
C:\WINDOWS\system32\Wscript.exe
C:\WINDOWS\system32\Wscript.exe
C:\Program Files\SigmaTel\Pilotes Audio SigmaTel AC97\stacmon.exe
C:\WINDOWS\system32\Wscript.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Documents and Settings\R\Local Settings\Application Data\Google\Update\GoogleUpdate.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Documents and Settings\R\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\R\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\R\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Documents and Settings\R\Local Settings\Application Data\Google\Chrome\Application\chrome.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.freewebtown.com/blackooh/BlaCk-TiMeind3x.html.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = .-~= Hacked by x4x =~-.
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files\Norton AntiVirus\Engine\16.0.0.125\IPSBHO.DLL
O4 - HKLM\..\Run: [TPSMain] TPSMain.exe
O4 - HKLM\..\Run: [TFncKy] TFncKy.exe
O4 - HKLM\..\Run: [NDSTray.exe] NDSTray.exe
O4 - HKLM\..\Run: [THotkey] C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
O4 - HKLM\..\Run: [CTFMON] C:\WINDOWS\system32\wscript.exe /E:vbs C:\WINDOWS\system32\winjpg.jpg
O4 - HKLM\..\Run: [regdiit] C:\WINDOWS\system32\win.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet
O4 - HKLM\..\Run: [SigmaTel StacMon] C:\Program Files\SigmaTel\Pilotes Audio SigmaTel AC97\stacmon.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Rachid\Local Settings\Application Data\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
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')
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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\CS2\Services\Tcpip\..\{0E16A998-2E2A-4AB4-91A4-C8D58BABC2D9}: NameServer = 41.227.192.140 213.150.191.9
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: Norton AntiVirus - Symantec Corporation - C:\Program Files\Norton AntiVirus\Engine\16.0.0.125\ccSvcHst.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TOSHIBA Application Service (TAPPSRV) - TOSHIBA Corp. - C:\Program Files\TOSHIBA\TOSHIBA Applet\TAPPSRV.exe