[virus] Win32:Agent-BSU

Bonjour,
Je suis infecté par le trojan Win32:Agent-BSU

Voici le log HighJackThis:

Logfile of HijackThis v1.99.1
Scan saved at 22:44:07, on 06/02/2007
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Netropa\Multimedia Keyboard\nhksrv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\IVT Corporation\BlueSoleil\BTNtService.exe
C:\WINDOWS\system32\update00822631.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\TEMP\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\RunDll32.exe
C:\Program Files\NASDAK\OmniMouse Driver\4.0\MOUSE32A.EXE
C:\Program Files\Netropa\Multimedia Keyboard\MMKeybd.exe
C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\WINDOWS\system32\atwtusb.exe
C:\Program Files\Netropa\Multimedia Keyboard\TrayMon.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\Netropa\Onscreen Display\OSD.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Netropa\InetKb\Inetkb.exe
C:\Program Files\Logitech\Video\LogiTray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\TBLMOUSE.EXE
C:\Program Files\NETGEAR\WG111T Configuration Utility\wlan111t.exe
C:\Program Files\Logitech\Video\FxSvr2.exe
C:\Program Files\Winamp\winamp.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Maxthon\Maxthon.exe
C:\Program Files\Hijackthis Version Française\hijackthis vf.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
O2 - BHO: C:\WINDOWS\system32\zvZoCrypt.dll - {8A5849C4-93F3-429D-FF34-660A2068897C} - C:\WINDOWS\system32\zvZoCrypt.dll
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [LWBMOUSE] C:\Program Files\NASDAK\OmniMouse Driver\4.0\MOUSE32A.EXE
O4 - HKLM\..\Run: [MULTIMEDIA KEYBOARD] C:\Program Files\Netropa\Multimedia Keyboard\MMKeybd.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe"
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [atwtusb] atwtusb.exe beta
O4 - HKLM\..\Run: [ATIPTA] "C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [StorageGuard] "C:\Program Files\VERITAS Software\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] "C:\Program Files\Logitech\Video\ManifestEngine.exe" boot
O4 - Global Startup: NETGEAR WG111T Smart Wizard.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\shdocvw.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
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
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msnetax.dll
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan8/oscan8.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: instcat - C:\WINDOWS\SYSTEM32\instcat.dll
O20 - Winlogon Notify: partnershipreg - C:\Documents and Settings\All Users\Documents\Settings\partnership.dll
O20 - Winlogon Notify: rpcc - C:\WINDOWS\system32\rpcc.dll (file missing)
O21 - SSODL: odb_set - {E33DAF58-85B8-4D75-AA98-A0C53F8DCA02} - odbcmr32.dll (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: BlueSoleil Hid Service - Unknown owner - C:\Program Files\IVT Corporation\BlueSoleil\BTNtService.exe
O23 - Service: msieupdater (Microsoft IE Updater) - Unknown owner - C:\WINDOWS\system32\update00822631.exe
O23 - Service: ieupdater2 (Microsoft IE Updater2) - Unknown owner - C:\Program Files\~tmp0374.exe (file missing)
O23 - Service: Microsoft security update service (msupdate) - Unknown owner - c:\windows\system32\msvcrtd.exe
O23 - Service: Netropa NHK Server (nhksrv) - Unknown owner - C:\Program Files\Netropa\Multimedia Keyboard\nhksrv.exe

Merci d'avance pour votre aide.