Merci pour tes conseils trojan J'ai fait ce que tu m'a dit et sur hijack this j'obtient ça :
Logfile of HijackThis v1.98.0
Scan saved at 13:13:20, on 30/07/2004
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:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
c:\Program Files\Norton Personal Firewall\NISUM.EXE
c:\Program Files\Fichiers communs\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
c:\Program Files\Norton Personal Firewall\ccPxySvc.exe
c:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\niSvcLoc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\system32\nipalsm.exe
C:\WINDOWS\system32\nipalsm.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\windows\system\hpsysdrv.exe
C:\WINDOWS\System32\hphmon05.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe
C:\Program Files\Multimedia Card Reader\shwicon2k.exe
C:\WINDOWS\ALCXMNTR.EXE
C:\WINDOWS\System32\rundll32.exe
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\PROGRA~1\MESSAG~1\Demon.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb05.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\Wanadoo\EspaceWanadoo.exe
C:\Program Files\Wanadoo\ComComp.exe
C:\Program Files\Wanadoo\Watch.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\DOCUME~1\MAX\MESDOC~1\MAX\MOZILLA.EXE
C:\Documents and Settings\Max\Local Settings\Temp\Répertoire temporaire 1 pour hjt.zip\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://fr10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://srch-fr10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-fr10.hpwis.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://srch-fr10.hpwis.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://fr10.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - _{08C06D61-F1F3-4799-86F8-BE1A89362C85} - (no file)
F0 - system.ini: Shell=
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,
O2 - BHO: SDWin32 Class - {019BB4FE-8259-440C-BA9E-CA4B2A73AB61} - C:\WINDOWS\System32\kpxpc.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:\MESDOC~1\Max\SPYBOT~1\SDHelper.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - c:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Vue HP - {B2847E28-5D7D-4DEB-8B67-05D28BCF79F5} - c:\Program Files\HP\Digital Imaging\bin\hpdtlk02.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - c:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [sunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HPHUPD05] c:\Program Files\HP\{45B6180B-DCAB-4093-8EE8-6164457517F0}\hphupd05.exe
O4 - HKLM\..\Run: [HPHmon05] C:\WINDOWS\System32\hphmon05.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [updateManager] "C:\Program Files\Fichiers communs\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [ccApp] "c:\Program Files\Fichiers communs\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [NAV CfgWiz] c:\Program Files\Fichiers communs\Symantec Shared\CfgWiz.exe /GUID NAV /CMDLINE "REBOOT"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [sunkist2k] C:\Program Files\Multimedia Card Reader\shwicon2k.exe
O4 - HKLM\..\Run: [AlcxMonitor] ALCXMNTR.EXE
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [Demon] C:\PROGRA~1\MESSAG~1\Demon.exe
O4 - HKLM\..\Run: [speedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb05.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [ccRegVfy] "c:\Program Files\Fichiers communs\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [kpxpcc] C:\WINDOWS\System32\kpxpcc.exe
O4 - HKCU\..\Run: [symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra button: Messager Wanadoo - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\PROGRA~1\MESSAG~1\Messager Wanadoo.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\PROGRA~1\MESSAG~1\Messager Wanadoo.exe
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/172a026fd0accf...RdxIE601_fr.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{3849C132-34FE-4018-B5E3-E319CAB38379}: NameServer = 80.10.246.1 80.10.246.132
Voila merci !