Voila le truc, lorsque je surfe sur le net je suis sans cesse redirigé sur d'autre sites que je ne voulais pas.
Je joins donc le log hijacktjis , si qqlun peut m'aider sa serait tres sympa.
Merci.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:09:02, on 29/09/2007
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v5.00 SP4 (5.00.2920.0000)
Boot mode: Normal
 
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\ZoneLabs\vsmon.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\System32\FTRTSVC.exe
C:\WINNT\system32\hidserv.exe
C:\WINNT\system32\drivers\KodakCCS.exe
C:\Program Files\Kodak\Kodak EasyShare software\bin\ptssvc.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\Tablet.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\Program Files\UltraVNC\WinVNC.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\USB Card RW\shwicon.exe
C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\PROGRA~1\Wanadoo\TaskBarIcon.exe
C:\Program Files\SuperCopier2\SuperCopier2.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
C:\PROGRA~1\Wanadoo\GestionnaireInternet.exe
C:\PROGRA~1\Wanadoo\ComComp.exe
C:\PROGRA~1\Wanadoo\Toaster.exe
C:\PROGRA~1\Wanadoo\Inactivity.exe
C:\PROGRA~1\Wanadoo\PollingModule.exe
C:\WINNT\System32\ALERTM~1\ALERTM~1.EXE
C:\PROGRA~1\Wanadoo\Watch.exe
C:\WINNT\system32\wuauclt.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINNT\system32\drwtsn32.exe
C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\CCleaner\CCleaner.exe
C:\Documents and Settings\robledo\Bureau\HiJackThis\HijackThis.exe
 
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Orange
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\PROGRA~1\Wanadoo\SEARCH~1.DLL
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE NvQTwk,NvCplDaemon initialize
O4 - HKLM\..\Run: [ShowIcon_KingByte_USB Card RW v1.14e045] "C:\Program Files\USB Card RW\shwicon.exe" -t"KingByte\USB Card RW v1.14e045"
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\GestMaj.exe TaskBarIcon.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [WinVNC] "C:\Program Files\UltraVNC\WinVNC.exe" -servicehelper
O4 - HKCU\..\Run: [WOOKIT] C:\PROGRA~1\Wanadoo\Shell.exe appLaunchClientZone.shl|PARAM= cnx
O4 - HKCU\..\Run: [SuperCopier2.exe] C:\Program Files\SuperCopier2\SuperCopier2.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\.DEFAULT\..\Run: [internat.exe] internat.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [^SetupICWDesktop] C:\Program Files\Internet Explorer\Connection Wizard\icwconn1.exe /desktop (User 'Default user')
O4 - Startup: OpenOffice.org 2.0.lnk = C:\Program Files\OpenOffice.org 2.0\program\quickstart.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: Orange - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.orange.fr (file missing) (HKCU)
O17 - HKLM\System\CCS\Services\Tcpip\..\{4159E401-4317-4DD2-AE63-286462A0A908}: NameServer = 192.168.1.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{4159E401-4317-4DD2-AE63-286462A0A908}: NameServer = 192.168.1.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{4159E401-4317-4DD2-AE63-286462A0A908}: NameServer = 192.168.1.1
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - AVIRA GmbH - C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom - C:\WINNT\System32\FTRTSVC.exe
O23 - Service: hpdj - HP - C:\DOCUME~1\robledo\LOCALS~1\Temp\hpdj.exe
O23 - Service: Kodak Camera Connection Software (KodakCCS) - Eastman Kodak Company - C:\WINNT\system32\drivers\KodakCCS.exe
O23 - Service: ptssvc - KODAK - C:\Program Files\Kodak\Kodak EasyShare software\bin\ptssvc.exe
O23 - Service: repeater_service - www.ultravnc.fr - C:\Program Files\UltraVNC\repeater.exe
O23 - Service: TabletService - Wacom Technology, Corp. - C:\WINNT\system32\Tablet.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINNT\system32\ZoneLabs\vsmon.exe
O23 - Service: VNC Server (winvnc) - www.ultravnc.fr - C:\Program Files\UltraVNC\WinVNC.exe
 
--
End of file - 6527 bytes

Tu devrais commencer par lire les règles.