Pb avec des troajns... de l'aide!

bonjour! j'ai besoin d'aide!
J'arrive pas à me débarasser des différents trojans et autre, notamment un site ki s'ouvre à chaque ouverture d'une page internet: www.oneclicksearches.com
de plus mon anti virus détecte des trojans, il les supprime mais il reviennent... je suis osus Win Xp

et puis mon ordi rame bcp, et je voudrais savoir quel sont les processus inutilent à désactiver pour de meilleur performance...

meric bcp d'avance

voici mon log

Logfile of HijackThis v1.99.1
Scan saved at 19:49:28, on 24/06/2005
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\Explorer.EXE
c:\PROGRA~1\mcafee.com\vso\mcvsrte.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
c:\PROGRA~1\mcafee.com\vso\mcvsshld.exe
C:\WINDOWS\system32\svchost.exe
c:\progra~1\mcafee.com\vso\mcvsescn.exe
c:\program files\mcafee.com\agent\mcagent.exe
c:\PROGRA~1\mcafee.com\vso\mcshield.exe
C:\WINDOWS\system32\shnlog.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\intmon.exe
C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe
C:\PROGRA~1\WANADOO\CnxMon.exe
C:\Program Files\Thomson\SpeedTouch USB\Dragdiag.exe
C:\PROGRA~1\WANADOO\TaskbarIcon.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
C:\WINDOWS\system32\perfcl.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\HP\hpcoretech\comp\hptskmgr.exe
c:\progra~1\mcafee.com\vso\mcvsftsn.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:\PROGRA~1\mcafee.com\agent\McDash.exe
c:\program files\mcafee.com\shared\mghtml.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Ferrere Gilles\Mes documents\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,Search = www.wanadoo.fr
R1 - HKLM\Software\Microsoft\Internet Explorer,Search = http://www.LOX.com/index.html
R1 - HKLM\Software\Microsoft\Internet Explorer,SearchURL = http://www.LOX.com/index.html
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 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.LOX.com/index.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.LOX.com/index.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.LOX.com/index.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.LOX.com/index.html
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
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.LOX.com/index.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://www.LOX.com/index.html
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
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
F2 - REG:system.ini: Shell=Explorer.exe, msmsgs.exe
O2 - BHO: VMHomepage Class - {FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFA} - C:\WINDOWS\system32\hpC582.tmp
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\fgiebar.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll (file missing)
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O4 - HKLM\..\Run: [MCUpdateExe] C:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [VSOCheckTask] "c:\PROGRA~1\mcafee.com\vso\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] "c:\PROGRA~1\mcafee.com\vso\mcvsshld.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] C:\Program Files\iTunes\iTunesHelper.exe
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\fr\msnappau.exe"
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: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
O4 - HKLM\..\Run: [PerformCl] C:\WINDOWS\system32\perfcl.exe
O4 - HKLM\..\Run: [RegSvr32] C:\WINDOWS\system32\msmsgs.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Tout télécharger en utilisant FlashGet - C:\Program Files\FlashGet\jc_all.htm
O8 - Extra context menu item: Télécharger en utilisant FlashGet - C:\Program Files\FlashGet\jc_link.htm
O9 - Extra button: Messenger - -{FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - -{FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\system32\msjava.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\system32\msjava.dll
O9 - Extra button: FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\flashget.exe
O9 - Extra 'Tools' menuitem: &FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FLASHGET\flashget.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
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: {09C21411-B9A2-4DE6-8416-4E3B58577BE0} (France Telecom MDM ActiveX Control) - http://minitelweb.minitel.com/imin_data/ocx/MDM.cab
O16 - DPF: {10003000-1000-0000-1000-000000000000} - ms-its:mhtml:file://c:\MAIN.MHT!http://213.159.117.236/buka.chm::/x.exe
O16 - DPF: {11111111-1111-1111-1111-111111111123} - file://c:\Recycled\1.exe
O16 - DPF: {11311111-1111-1111-1111-111111111157} - file://C:\Program Files\Q330994.exe
O16 - DPF: {8EB3FF4E-86A1-4717-884D-7BA2D38272CB} (F-Secure Online Scanner) - http://www.securitoo.com/fra/pages/navol/fscax.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{2B0A1ACC-35FF-4BD0-B3BC-971C151F082B}: NameServer = 80.10.246.130 80.10.246.3
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: McAfee.com McShield (McShield) - Unknown owner - c:\PROGRA~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: McAfee.com VirusScan Online Realtime Engine (MCVSRte) - McAfee, Inc - c:\PROGRA~1\mcafee.com\vso\mcvsrte.exe
O23 - Service: Mdisub - McAfee, Inc - (no file)