Salut merci de ta réponse voici mon log

Logfile of HijackThis v1.99.1
Scan saved at 20:21:05, on 07/11/2005
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\System32\Ati2evxx.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
C:\WINNT\System32\svchost.exe
D:\PROGRAMMES\Norton AntiVirus\navapsvc.exe
D:\PROGRAMMES\Norton Utilities\NPROTECT.EXE
C:\WINNT\system32\MSTask.exe
D:\PROGRA~1\SPEEDD~1\nopdb.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\MsPMSPSv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Fichiers communs\Symantec Shared\SymTray.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
D:\PROGRA~1\NORTON~1\navapw32.exe
C:\WINNT\system32\internat.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\WINNT\system32\ntvdm.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINNT\system32\ZoneLabs\vsmon.exe
C:\WINNT\system32\BHSV.EXE
C:\Documents and Settings\Administrateur\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://windowsupdate.microsoft.com/
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: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - D:\PROGRAMMES\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKLM\..\Run: [SymTray - Norton SystemWorks] C:\Program Files\Fichiers communs\Symantec Shared\Symtray.exe SetReg
O4 - HKLM\..\Run: [NAV Agent] D:\PROGRA~1\NORTON~1\navapw32.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [Zone Labs Client] C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKLM\..\RunServices: [Browser Help Svc] BHSV.EXE
O4 - HKLM\..\RunOnce: [SymTray - Norton SystemWorks] C:\Program Files\Fichiers communs\Symantec Shared\Symtrdr.exe
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKCU\..\RunServices: [Browser Help Svc] BHSV.EXE
O4 - Global Startup: CleanSweep Smart Sweep-Internet Sweep.LNK = D:\PROGRAMMES\Norton CleanSweep\csinsmnt.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O16 - DPF: {1F2F4C9E-6F09-47BC-970D-3C54734667FE} (LSSupCtl Class) - https://www-secure.symantec.com/techsupp/asa/LSSupCtl.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {CE28D5D2-60CF-4C7D-9FE8-0F47A3308078} (ActiveDataInfo Class) - https://www-secure.symantec.com/techsupp/asa/SymAData.cab
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINNT\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINNT\system32\ati2sgag.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - D:\PROGRAMMES\Norton AntiVirus\navapsvc.exe
O23 - Service: NeroNET - Ahead Software AG - D:\PROGRAMMES\ahead\NeroNET\NeroNET.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - D:\PROGRAMMES\Norton Utilities\NPROTECT.EXE
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - D:\PROGRA~1\SPEEDD~1\nopdb.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: NTsystem (System) - Unknown owner - C:\WINNT\ntsys32.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINNT\system32\ZoneLabs\vsmon.exe