bjr, depuis quelques jours l'exe autopudate.exe est actif au démarrage de win XP. voici la log hijackthis, merci d'avance pour une aide afin de me débarrasser de ce problème.
 
Logfile of HijackThis v1.99.1
Scan saved at 16:18:02, on 05/03/2005
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\system32\spoolsv.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\WINDOWS\System32\CTsvcCDA.EXE
C:\WINDOWS\System32\GEARSEC.EXE
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Wanadoo\taskbaricon.exe
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\NORTON~1\navapw32.exe
C:\PROGRA~1\MESSAG~1\StartMessager.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Creative\SBLive\Creative Diagnostics 2.0\DIAGENT.EXE
C:\WINDOWS\System32\qacsrw.exe
C:\WINDOWS\system32\devldr32.exe
C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe
C:\Program Files\ahead\InCD\InCD.exe
C:\Program Files\Windows AdStatus\WinStat.exe
C:\WINDOWS\system32\iedmine.exe
C:\documents and settings\nous\local settings\temp\N124.exe
C:\Program Files\Windows AdStatus\WinStatKeep.exe
C:\Program Files\AutoUpdate\AutoUpdate.exe
C:\WINDOWS\system32\icffnet.exe
C:\Program Files\FotoStation Easy\FotoStation Easy AutoLaunch.exe
C:\Program Files\Nikon\NkView6\NkvMon.exe
C:\PROGRA~1\Wanadoo\EspaceWanadoo.exe
C:\PROGRA~1\Wanadoo\ComComp.exe
C:\PROGRA~1\Wanadoo\Watch.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\CxtPls\CxtPls.exe
C:\hijack\HijackThis.exe
 
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.wanadoo.fr/go/page_recherche/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://www.wanadoo.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {016235BE-59D4-4CEB-ADD5-E2378282A1D9} - C:\Program Files\CxtPls\cxtpls.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.02.3000.1002\en-xu\stmain.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.3000.1001\fr\msntb.dll
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\taskbaricon.exe
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [NAV Agent] C:\PROGRA~1\NORTON~1\navapw32.exe
O4 - HKLM\..\Run: [MessagerStarter Wanadoo] C:\PROGRA~1\MESSAG~1\StartMessager.exe Messager Wanadoo
O4 - HKLM\..\Run: [iTunesHelper] C:\Program Files\iTunes\iTunesHelper.exe
O4 - HKLM\..\Run: [Grenouille] C:\Program Files\Grenouille.com\Grenouille\Grenouille.exe /NOSPLASH
O4 - HKLM\..\Run: [DIAGENT] C:\Program Files\Creative\SBLive\Creative Diagnostics 2.0\DIAGENT.EXE startup
O4 - HKLM\..\Run: [deocxkifmrazi] C:\WINDOWS\System32\qacsrw.exe
O4 - HKLM\..\Run: [AHQInit] C:\Program Files\Creative\SBLive\Program\AHQInit.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe"
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe"
O4 - HKLM\..\Run: [Watch] C:\PROGRA~1\Minitel\Watch.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [Windows AdStatus] C:\Program Files\Windows AdStatus\WinStat.exe
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\Updreg.exe
O4 - HKLM\..\Run: [s7oU3EV] iedmine.exe
O4 - HKLM\..\Run: [N124] C:\documents and settings\nous\local settings\temp\N124.exe
O4 - HKLM\..\Run: [AutoUpdater] "C:\Program Files\AutoUpdate\AutoUpdate.exe"
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKCU\..\Run: [dw78ROZFT] icffnet.exe
O4 - Global Startup: FotoStation Easy AutoLaunch.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NkvMon.exe.lnk = C:\Program Files\Nikon\NkView6\NkvMon.exe
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
O12 - Plugin for .mid: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin.dll
O16 - DPF: ctwvdx - http://194.98.41.105/carioca/Compo [...] ctwvdx.cab
O16 - DPF: Interface Chat Voila - http://chat7.x-echo.com/version5/Applet/vchatsign.cab
O16 - DPF: Interface Chat Wanadoo - http://chat15.x-echo.com/version3/Applet/wchatsign.cab
O16 - DPF: teleir_cert - https://static.ir.dgi.minefi.gouv.f [...] r_cert.cab
O16 - DPF: {31B7EB4E-8B4B-11D1-A789-00A0CC6651A8} (Cult3D ActiveX Player) - http://www.cult3d.com/download/cult.cab
O16 - DPF: {45E83043-1F6F-4D22-A5E7-0138EA171B49} (FileSharingCtrl Class) - http://appdirectory.messenger.msn. [...] ngctrl.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://207.188.7.150/1662a922ea694 [...] 601_fr.cab
O16 - DPF: {6A060448-60F9-11D5-A6CD-0002B31F7455} (ExentInf Class) - http://jeuxvideo.wanadoo.fr/components/Metaboli.ocx
O16 - DPF: {FF65677A-8977-48CA-916A-DFF81B037DF3} (WMService Class) - http://download.overpro.com/WildAppNonUS.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{7BC48EF8-D5F4-471F-8686-A739A00AF1A4}: NameServer = 80.10.246.1 80.10.246.132
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\System32\drivers\CDAC11BA.EXE
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.EXE
O23 - Service: GEARSecurity - GEAR Software - C:\WINDOWS\System32\GEARSEC.EXE
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: SC Test Branding Service 1 - SC Test Branding 1 - C:\Program Files\Fichiers communs\SC Test Branding 1 Shared\Service\SCTestService1.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\Security Center\SymWSC.exe
 

Aide toi et le ciel t'aidera, va déjà dégrossir ton log ici : http://www.hijackthis.de/fr , completé eventuellement par un peu de google.

et post juste le log Short analysis ...