Salut Regis merci pour ton aide , j ai fait ce ke tu m a dit.
Voici mon log hijackthis:

Logfile of HijackThis v1.99.1
Scan saved at 10:41:20, on 22/06/2005
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\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\AVPersonal\AVGUARD.EXE
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\wanmpsvc.exe
C:\WINDOWS\System32\msole32.exe
C:\WINDOWS\System32\shnlog.exe
C:\WINDOWS\popuper.exe
C:\WINDOWS\System32\intmonp.exe
C:\WINDOWS\System32\RunDll32.exe
C:\PROGRA~1\Wanadoo\CnxMon.exe
C:\WINDOWS\System32\intmon.exe
C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\Wanadoo\TaskbarIcon.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\AVPersonal\AVGNT.EXE
C:\Program Files\AVPersonal\AVSCHED32.EXE
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\WINDOWS\System32\hookdump.exe
C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
C:\WINDOWS\twain_32\A4CIS\WATCH.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Wanadoo\EspaceWanadoo.exe
C:\Program Files\Wanadoo\ComComp.exe
C:\Program Files\Wanadoo\Watch.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\explorer.exe
C:\Program Files\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.oneclicksearches.com/bar.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,SearchURL = http://www.the-exit.com/search
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://www.oneclicksearches.com/search.php?qq=%1
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.oneclicksearches.com/search.php?qq=%1
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = http://www.oneclicksearches.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
F2 - REG:system.ini: Shell=explorer.exe, msmsgs.exe
O2 - BHO: VMHomepage Class - {FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFA} - C:\WINDOWS\System32\hp9105.tmp (file missing)
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_5_7_0.dll (file missing)
O3 - Toolbar: SearchToolbar - {08BEC6AA-49FC-4379-3587-4B21E286C19E} - C:\WINDOWS\System32\ie2cltr.dll (file missing)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe irprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [RealTray] C:\Program Files\Real\RealPlayer\RealPlay.exe SYSTEMBOOTHIDEPLAYER
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~1\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Thomson\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: [6B.tmp] C:\DOCUME~1\ELAOUF~1\LOCALS~1\Temp\6B.tmp.exe 0 10001
O4 - HKLM\..\Run: [C.tmp] C:\DOCUME~1\ELAOUF~1\LOCALS~1\Temp\C.tmp.exe 2 28129
O4 - HKLM\..\Run: [13.tmp] C:\DOCUME~1\ELAOUF~1\LOCALS~1\Temp\13.tmp.exe 0 28129
O4 - HKLM\..\Run: [13.tmp.exe] C:\DOCUME~1\ELAOUF~1\LOCALS~1\Temp\13.tmp.exe 0 28129
O4 - HKLM\..\Run: [uunprh] c:\windows\system32\uunprh.exe
O4 - HKLM\..\Run: [WildTangent CDA] "C:\Program Files\WildTangent\Apps\CDA\GameDrvr.exe" /startup "C:\Program Files\WildTangent\Apps\CDA\cdaEngine0500.dll"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [dxvid] c:\windows\system32\dxvid.exe /nocomm
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [AVGCtrl] C:\Program Files\AVPersonal\AVGNT.EXE /min
O4 - HKLM\..\Run: [RegSvr32] C:\WINDOWS\System32\msmsgs.exe
O4 - HKLM\..\Run: [AVSCHED32] C:\Program Files\AVPersonal\AVSCHED32.EXE /min
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Intel system tool] C:\WINDOWS\System32\hookdump.exe
O4 - Startup: Watch.lnk = C:\WINDOWS\twain_32\A4CIS\WATCH.exe
O4 - Global Startup: InterVideo WinCinema Manager.lnk = C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &Traduire à partir de l'anglais - res://C:\Program Files\Google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: Pages liées - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Recherche &Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
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
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\msvrl.dll
O15 - Trusted Zone: *.awmdabest.com
O15 - Trusted Zone: *.frame.crazywinnings.com
O15 - Trusted Zone: *.awmdabest.com (HKLM)
O15 - Trusted Zone: *.frame.crazywinnings.com (HKLM)
O15 - Trusted Zone: http://awbeta.net-nucleus.com (HKLM)
O16 - DPF: RaptisoftGameLoader - http://www.miniclip.com/hamsterball/raptisoftgameloader.cab
O16 - DPF: {00000000-0000-0000-0000-000020030000} - http://www.advnt01.com/dialer/france_pep.exe
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {0878B424-1F95-4E26-B5AB-F0D349D89650} - http://download.bargain-buddy.net/download/bargain_buddy/cab/installer_MEDIAWHIZ5.cab
O16 - DPF: {10000000-1000-0000-1000-000000000000} - file://C:\Program Files\Internet Explorer\isexbujb.exe
O16 - DPF: {14A3221B-1678-1982-A355-7263B1281987} - ms-its:mhtml:file://C:tsk.mht!http://69.50.166.110/5/s1//q.chm::/file.exe
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab31267.cab
O16 - DPF: {1B3E3251-658E-4F03-8881-68302FE3CE9E} - file://C:\Documents and Settings\EL AOUFY\Local Settings\Temp\FCabtmp1214.xms
O16 - DPF: {288C5F13-7E52-4ADA-A32E-F5BF9D125F98} (CR64Loader Object) - http://www.miniclip.com/bestfriends/miniclipGameLoader.dll
O16 - DPF: {288C5F13-7E52-4ADA-A32E-F5BF9D125F99} (CR64Loader Object) - http://www.miniclip.com/puzzlepirates/miniclipGameLoader.dll
O16 - DPF: {31564D57-9980-0010-8000-00AA00389B71} - http://activex.microsoft.com/objects/ocget.dll
O16 - DPF: {33564944-0000-0010-8000-00AA00389B71} - http://activex.microsoft.com/objects/ocget.dll
O16 - DPF: {38481807-CA0E-42D2-BF39-B33AF135CC4D} - http://activex.microsoft.com/objects/ocget.dll
O16 - DPF: {3A7FE611-1994-4EF1-A09F-99456752289D} - http://install.wildtangent.com/ActiveLauncher/ActiveLauncher.cab
O16 - DPF: {43331111-1111-1111-1111-611111195622} - file://c:\ex.cab
O16 - DPF: {511F9316-771B-4953-A268-1C36DA667FE9} (SponsorAdulto Class) - http://ip.sponsoradulto.com/cab/3/fr/SysWebTelecomInt.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/24916a764c3bff039020/netzip/RdxIE601_fr.cab
O16 - DPF: {70BA88C8-DAE8-4CE9-92BB-979C4A75F53B} (GSDACtl Class) - http://launch.gamespyarcade.com/software/launch/alaunch.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {75D2080B-4857-4B96-9B7D-732634FBD01F} - http://activex.microsoft.com/objects/ocget.dll
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary/ZIntro.cab32846.cab
O16 - DPF: {BD393C14-72AD-4790-A095-76522973D6B8} (CBreakshotControl Class) - http://messenger.zone.msn.com/binary/Bankshot.cab31267.cab
O16 - DPF: {D19781C5-2051-44F8-8445-DDC82933C191} (VacPro.internazionale_ver11) - http://advnt03.com/dialer/internazionale_ver11.CAB
O16 - DPF: {E6187999-9FEC-46A1-A20F-F4CA977D5643} (ZoneChess Object) - http://messenger.zone.msn.com/binary/Chess.cab31267.cab
O16 - DPF: {FDC7A535-4070-4B92-A0EA-D9994BCC0DC5} - http://activex.microsoft.com/objects/ocget.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{872904D7-91D4-419D-B361-B51C287E96DE}: NameServer = 69.50.176.156,195.225.176.31
O17 - HKLM\System\CCS\Services\Tcpip\..\{AF3CD45B-3EB6-4A69-AE47-CF9BFF1C21B0}: NameServer = 80.10.246.1 80.10.246.132
O20 - Winlogon Notify: style2 - C:\WINDOWS\system32\winstyle2.dll
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Program Files\AVPersonal\AVGUARD.EXE
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Program Files\AVPersonal\AVWUPSRV.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe

thx é a+