Kreper

Bonjour,
mon antivirus, avast, me signale que je suis infecté par win32:kreper-C[Trj]. Depuis Internet Explorer délire complétement (page de démarrage farfelue, plusieurs sites s'ouvrent en même temps, ...). Voici mon log de Hijackthis à qui peut bien me venir en aide. Merci d'avance.
Logfile of HijackThis v1.98.2
Scan saved at 18:30:47, on 07/12/2004
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\windows\system\hpsysdrv.exe
C:\Program Files\USB Storage RW\shwicon.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\VERITAS Software\Update Manager\sgtray.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashmaisv.exe
C:\WINDOWS\System32\fml4tz7d56thd.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\wuauclt.exe
C:\HJT\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://win-eto.com/sp.htm?id=9
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://win-eto.com/sp.htm?id=9
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://win-eto.com/hp.htm?id=9
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://win-eto.com/hp.htm?id=9
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://win-eto.com/hp.htm?id=9
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://win-eto.com/sp.htm?id=9
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = ftp=proxy.free.fr:3128;http=proxy.free.fr:3128
O2 - BHO: (no name) - {467FAEB2-5F5B-4c81-BAE0-2A4752CA7F4E} - C:\WINDOWS\system32\W8C6S4~1.DLL
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [KYE_Showicon] "C:\Program Files\USB Storage RW\shwicon.exe" -t"KYE\USB Storage RW"
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [StorageGuard] "C:\Program Files\VERITAS Software\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [WCOLOREAL] "C:\Program Files\Coloreal\coloreal.exe"
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [adiras] adiras.exe
O4 - HKLM\..\Run: [Microsoft WinUpdate] win32upd.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [ashMaiSv] C:\PROGRA~1\ALWILS~1\Avast4\ashmaisv.exe
O4 - HKLM\..\Run: [Control handler] C:\WINDOWS\System32\fml4tz7d56thd.exe
O4 - HKLM\..\RunServices: [Microsoft WinUpdate] win32upd.exe
O4 - HKCU\..\Run: [NVIEW] rundll32.exe nview.dll,nViewLoadHook
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Microsoft WinUpdate] win32upd.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.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: 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
O16 - DPF: {42E1F024-ECC3-456F-B98A-4CE5ACDBF25C} (ActiveFormX Contrôle) - http://selfcare.cegetel.net/templates/static/ocx/AFAutoConfig.ocx
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1097785593578
O20 - AppInit_DLLs: 1bgkmhzsdoustodll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll.dll
O21 - SSODL: SystemCheck2 - {54645654-2225-4455-44A1-9F4543D34545} - C:\WINDOWS\System32\vbsys2 (file missing)