t'es le king en ce moment avec toutes lesréponses que tu donnes sur le forum. Ecoute, j'ai fais ce que tu m'as dit et voici les nouveaux résultats de hijackthis.
Logfile of HijackThis v1.99.1
Scan saved at 17:20:53, on 22/06/2006
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\csrss.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:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\WINDOWS\system32\MsPMSPSv.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe
C:\WINDOWS\System32\ELAN.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\WINDOWS\AGRSMMSG.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\Apoint2K\Apntex.exe
C:\Program Files\ewido anti-spyware 4.0\guard.exe
C:\Program Files\ewido anti-spyware 4.0\ewido.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Laurent Gros\Local Settings\Temporary Internet Files\Content.IE5\WLE38X23\bitdefender_std_v9[1].exe
C:\DOCUME~1\LAUREN~1\LOCALS~1\Temp\IXP000.TMP\Setup.Exe
C:\WINDOWS\system32\msiexec.exe
C:\WINDOWS\system32\MsiExec.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\Softwin\BitDefender9\vsserv.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe
C:\Program Files\Softwin\BitDefender9\bdmcon.exe
C:\Program Files\Softwin\BitDefender9\bdswitch.exe
C:\Program Files\Softwin\BitDefender9\bdnagent.exe
C:\Program Files\Softwin\BitDefender9\bdlite.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\notepad.exe
C:\Program Files\CCleaner\ccleaner.exe
C:\Program Files\HIJACKTHIS VF\hijackthis vf.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.ch/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page_bak = prosearching.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by sunrise freesurf
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\SPYBOT~1\SDHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~2\tools\iesdsg.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [VF0070 STISvc] RunDLL32.exe V0070Pin.dll,RunDLL32EP 513
O4 - HKLM\..\Run: [AME_CSA] rundll32 amecsa.cpl,RUN_DLL
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Fichiers communs\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~1\AdvTools\ADVCHK.EXE
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Fichiers communs\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [RoxioDragToDisc] "C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe"
O4 - HKLM\..\Run: [RemoveElanIcon] C:\WINDOWS\System32\ELAN.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [eabconfg.cpl] C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe /Start
O4 - HKLM\..\Run: [Cpqset] C:\Program Files\HPQ\Default Settings\cpqset.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [BDMCon] "C:\Program Files\Softwin\BitDefender9\bdmcon.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "C:\Program Files\Softwin\BitDefender9\bdnagent.exe"
O4 - HKLM\..\Run: [BDSwitchAgent] "C:\Program Files\Softwin\BitDefender9\bdswitch.exe"
O4 - HKLM\..\RunOnce: [wextract_cleanup0] rundll32.exe C:\WINDOWS\system32\advpack.dll,DelNodeRunDLL32 "C:\DOCUME~1\LAUREN~1\LOCALS~1\Temp\IXP000.TMP\"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_06\bin\npjpi142_06.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_06\bin\npjpi142_06.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.dll
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
O14 - IERESET.INF: START_PAGE_URL=http://internet.sunrise.ch/de/hom/default.asp
O17 - HKLM\System\CCS\Services\Tcpip\..\{B24127A2-DC33-4365-868D-B074188589D6}: NameServer = 194.230.1.71 194.230.1.39
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: ewido anti-spyware 4.0 guard - Anti-Malware Development a.s. - C:\Program Files\ewido anti-spyware 4.0\guard.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
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: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
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)

je crois bien que certains fichiers reviennent,mutent, etc...
tu as qqchose à direéventuellement. merci 1000x. Laurent