Infection Trojan.StartPage

Bonjour,
Suis infecter du virus, ai suivi vs conseils via forum càd nettoyage via Ad-aware, Pestpatrol, Norton Antivirus sous XP ou en mode sans echec et à cours de solution.
Merci de m'aider à résoudre mon problème avant solution finale formatage. Voici mon log via hijackthis. Pas trop doué en informatique donc si explications simples = + cool pr moi.
Logfile of HijackThis v1.99.1
Scan saved at 20:25:45, on 10/03/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\Explorer.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\khooker.exe
C:\WINDOWS\System32\pctspk.exe
C:\WINDOWS\System32\CTHELPER.EXE
C:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\Microsoft IntelliPoint\point32.exe
C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Lavasoft\Ad-Aware SE Professional\Ad-Watch.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\System32\CTFMON32.EXE
C:\WINDOWS\System32\CSRSSU.EXE
C:\WINDOWS\System32\devldr32.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\Playlist.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\System32\wuauclt.exe
C:\WINDOWS\System32\msiexec.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\PestPatrol\PPControl.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Christophe\Local Settings\Temp\Répertoire temporaire 1 pour hijackthis.zip\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.be/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://default.home
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: SEDP Class - {3BA765C2-08DB-4fe2-9279-311CA10D582A} - C:\WINDOWS\sehlp.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [SiSUSBRG] C:\WINDOWS\SiSUSBrg.exe
O4 - HKLM\..\Run: [SiS KHooker] C:\WINDOWS\System32\khooker.exe
O4 - HKLM\..\Run: [PCTVOICE] pctspk.exe
O4 - HKLM\..\Run: [WINDVDPatch] CTHELPER.EXE
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [DevconDefaultDB] C:\WINDOWS\READREG /PSCONV={NO} /NO_DEFPS
O4 - HKLM\..\Run: [mmtask] c:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
O4 - HKLM\..\Run: [Omnipage] C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [IntelliPoint] "C:\Program Files\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Fichiers communs\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [RoxAssistant] C:\Program Files\Common Files\Roxio Shared\Upgrade\RoxAssist.exe /s
O4 - HKLM\..\Run: [RoxioDragToDisc] "C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe"
O4 - HKLM\..\Run: [RoxioAudioCentral] "C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe"
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Fichiers communs\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [PSDrvCheck] C:\WINDOWS\System32\PSDrvCheck.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [AWMON] "C:\Program Files\Lavasoft\Ad-Aware SE Professional\Ad-Watch.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [SetDefaultMIDI] MIDIDef.exe
O4 - HKCU\..\Run: [CTFMON32] C:\WINDOWS\System32\CTFMON32.EXE
O4 - HKCU\..\Run: [CSRSSU] C:\WINDOWS\System32\CSRSSU.EXE
O4 - Startup: PPControl.lnk = ?
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Pages liées - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {FB5F1910-F110-11d2-BB9E-00C04F795683} - (no file)
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - (no file)
O12 - Plugin for .mid: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin2.dll
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/1145196b2329236fca06/netzip/RdxIE601_fr.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1095541448196
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: Creative Service for CDROM Access - Unknown owner - C:\WINDOWS\System32\CTsvcCDA.EXE (file missing)
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe

Merci pour votre aide: Super ce forum, vraiment Bye