Virus

bonsoir (peut être real mona)
j'ai encore un virus

voici la log de bitdefender:

C:\WINDOWS\update-sp1.html Infecté avec: Trojan.Downloader.4035.C
C:\WINDOWS\update-sp1.html Désinfection impossible
C:\WINDOWS\update-sp1.html Effacé
C:\WINDOWS\update-sp2.html Infecté avec: Trojan.Lowzone.AL
C:\WINDOWS\update-sp2.html Désinfection impossible
C:\WINDOWS\update-sp2.html Effacé
C:\WINDOWS\update-sp4.html Infecté avec: Trojan.Downloader.4035.B
C:\WINDOWS\update-sp4.html Désinfection impossible
C:\WINDOWS\update-sp4.html Effacé

voici le hijackthis:
Logfile of HijackThis v1.99.1
Scan saved at 23:29:11, on 16/10/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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:\progra~1\softwin\bitdef~1\bdmcon.exe
C:\Program Files\Softwin\BitDefender9\bdoesrv.exe
C:\progra~1\softwin\bitdef~1\bdnagent.exe
C:\progra~1\softwin\bitdef~1\bdswitch.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe
C:\Program Files\Softwin\BitDefender9\vsserv.exe
C:\progra~1\softwin\bitdef~1\bdlite.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\Joël.SATELLITE-JC.000\Bureau\HijackThis.exe

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\Acrobat\ActiveX\AcroIEHelper.ocx
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)
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan8/oscan8.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1124025408979
O16 - DPF: {8AD9C840-044E-11D1-B3E9-00805F499D93} (Java Runtime Environment 1.4.2) -
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: CA License Client (CA_LIC_CLNT) - Unknown owner - C:\Program Files\CA\SharedComponents\CA_LIC\lic98rmt.exe (file missing)
O23 - Service: CA License Server (CA_LIC_SRVR) - Unknown owner - C:\Program Files\CA\SharedComponents\CA_LIC\lic98rmtd.exe (file missing)
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe" /service (file missing)
O23 - Service: Event Log Watch (LogWatch) - Unknown owner - C:\Program Files\CA\SharedComponents\CA_LIC\LogWatNT.exe (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: SAPDB: .CPROGRA (SAP DBTech-.CPROGRA) - Unknown owner - C:\PROGRAM FILES\SAPDB\DEPEND\pgm\kernel.exe (file missing)
O23 - Service: BitDefender Virus Shield (VSSERV) - Unknown owner - C:\Program Files\Softwin\BitDefender9\vsserv.exe" /service (file missing)
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)

les virus sont reconnues et suprrimés mais ils reaparaissent!!

merci de votre aide