Probleme virus

Bonjour,
j'aurai besoin de votre car des que je clic sur des fichiers ou je vais sur le net, un message d'alerte virus arrive et me demande de telecharger un antispyware quand je clic il me demande de telecharger un mb.exe venant de malewarebellagreement.com . j'ai analysé l'ordi mais rien n'y fait... pourriez vous m'aider s'il vous plait (analyse hijackthis ci dessous si besoin)

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:42:47, on 14/04/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SYSTEM32\DWRCST.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\system32\00THotkey.exe
C:\WINDOWS\system32\thpsrv.exe
C:\Program Files\TOSHIBA\TME3\TMERzCtl.EXE
C:\Program Files\Apoint2K\Apoint.exe
C:\Program Files\TOSHIBA\TouchED\TouchED.exe
C:\Program Files\TOSHIBA\TME3\TMEEJME.EXE
C:\Program Files\TOSHIBA\TAudEffect\TAudEff.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\Iaanotif.exe
C:\Program Files\Visage\PDF Printer\vspdfprsrv.exe
C:\Program Files\Protector Suite QL\psqltray.exe
C:\Program Files\Apoint2K\Apntex.exe
C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
C:\Program Files\TOSHIBA\Wireless Hotkey\TosHKCW.exe
C:\Program Files\TOSHIBA\ConfigFree\NDSTray.exe
C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe
C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe
C:\Program Files\F-Secure\Common\FSM32.EXE
C:\PROGRA~1\F-Secure\ANTI-S~1\fsaw.exe
C:\Program Files\Atempo\LiveBackup\atrayind.exe
C:\Program Files\ltmoh\Ltmoh.exe
C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\F-Secure\FSGUI\fsguidll.exe
C:\Program Files\F-Secure\BackWeb\7681197\program\F-Secure Automatic Update.exe
C:\Program Files\Intel\Wireless\Bin\Dot1XCfg.exe
C:\Program Files\F-Secure\FSGUI\fsavgui.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Atempo\LiveBackup\WACCESS.EXE
C:\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://sibel.spiebatignolles.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://sibel.spiebatignolles.fr
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,AutoConfigURL = http://sibel.spiebatignolles.fr/proxy.pac
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: WinSurf - {53E30863-280F-4CFA-99AB-55CAEB95271C} - C:\WINDOWS\ps16sys.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [00THotkey] C:\WINDOWS\system32\00THotkey.exe
O4 - HKLM\..\Run: [000StTHK] 000StTHK.exe
O4 - HKLM\..\Run: [ThpSrv] C:\WINDOWS\system32\thpsrv /logon
O4 - HKLM\..\Run: [TMERzCtl.EXE] C:\Program Files\TOSHIBA\TME3\TMERzCtl.EXE /Service
O4 - HKLM\..\Run: [TMESRV.EXE] C:\Program Files\TOSHIBA\TME3\TMESRV31.EXE /Logon
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint2K\Apoint.exe
O4 - HKLM\..\Run: [TouchED] C:\Program Files\TOSHIBA\TouchED\TouchED.exe
O4 - HKLM\..\Run: [PSQLLauncher] "C:\Program Files\Protector Suite QL\launcher.exe" /startup
O4 - HKLM\..\Run: [TAudEffect] C:\Program Files\TOSHIBA\TAudEffect\TAudEff.exe /run
O4 - HKLM\..\Run: [IAAnotif] "C:\Program Files\Intel\Intel Matrix Storage Manager\Iaanotif.exe"
O4 - HKLM\..\Run: [vspdfprsrv.exe] C:\Program Files\Visage\PDF Printer\vspdfprsrv.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SmoothView] C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
O4 - HKLM\..\Run: [TosHKCW.exe] "C:\Program Files\TOSHIBA\Wireless Hotkey\TosHKCW.exe"
O4 - HKLM\..\Run: [NDSTray.exe] NDSTray.exe
O4 - HKLM\..\Run: [IntelZeroConfig] "C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe"
O4 - HKLM\..\Run: [IntelWireless] "C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe" /tf Intel PROSet/Wireless
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\F-Secure\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\F-Secure\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [Atempo] "C:\Program Files\Atempo\LiveBackup\atrayind.exe"
O4 - HKLM\..\Run: [Atempo2] "C:\Program Files\Atempo\LiveBackup\wcheck.exe"
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [LtMoh] C:\Program Files\ltmoh\Ltmoh.exe
O4 - HKCU\..\Run: [TOSCDSPD] C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Accélérateur de démarrage AutoCAD.lnk = C:\Program Files\Fichiers communs\Autodesk Shared\acstart17.exe
O4 - Global Startup: F-Secure Automatic Update.lnk = C:\Program Files\F-Secure\BackWeb\7681197\program\F-Secure Automatic Update.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &Block this popup - C:\Program Files\F-Secure\Anti-Spyware\blockpopups.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: IE Shield - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\F-Secure\Anti-Spyware\ieshield.dll
O9 - Extra 'Tools' menuitem: IE Shield... - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\F-Secure\Anti-Spyware\ieshield.dll
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
O14 - IERESET.INF: START_PAGE_URL=http://sibel.spiebatignolles.fr
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://www.update.microsoft.com/...
O16 - DPF: {87AF076E-D86D-4E87-ADDD-F05804E1F150} - https://www.virginmega.fr/DownloadManager/Release/Prod/DownMan.cab
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = sbo.spiebatignolles.lan
O17 - HKLM\Software\..\Telephony: DomainName = spiebatignolles.fr
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = sbo.spiebatignolles.lan
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = sbo.spiebatignolles.lan
O20 - Winlogon Notify: TosBtNP - C:\WINDOWS\SYSTEM32\TosBtNP.dll
O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - Agere Systems - C:\WINDOWS\system32\agrsmsvc.exe
O23 - Service: LiveBackup Network Service (Amnt) - Atempo, Inc. - C:\Program Files\Atempo\LiveBackup\amnt.exe
O23 - Service: Intranet Server Client Software Usage (APSMScan) - Unknown owner - C:\WINDOWS\system32\APSmscan.exe
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Program Files\Fichiers communs\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: F-Secure Automatic Update (BackWeb Plug-in - 7681197) - F-Secure Automatic Update - C:\PROGRA~1\F-Secure\BackWeb\7681197\Program\SERVIC~1.EXE
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: LiveBackup Disaster Recovery (DreSrvc) - Atempo, Inc. - C:\Program Files\Atempo\LiveBackup\DRESrvc.exe
O23 - Service: DameWare Mini Remote Control (DWMRCS) - DameWare Development LLC - C:\WINDOWS\SYSTEM32\DWRCS.EXE
O23 - Service: Intel(R) PROSet/Wireless Event Log (EvtEng) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corp. - C:\Program Files\F-Secure\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Network Request Broker - F-Secure Corporation - C:\Program Files\F-Secure\Common\FNRB32.EXE
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\F-Secure\BackWeb\7681197\program\fsbwsys.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\F-Secure\Common\FSMA32.EXE
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\Iaantmon.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Intel(R) PROSet/Wireless Registry Service (RegSrvc) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Intel(R) PROSet/Wireless Service (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: Intranet Server Client (SicltNT) - Apsynet - C:\WINDOWS\SYSTEM32\siclt32.exe
O23 - Service: Check Point SecuRemote Service (SR_Service) - Check Point Software Technologies - C:\Program Files\CheckPoint\SecuRemote\bin\SR_Service.exe
O23 - Service: Check Point SecuRemote WatchDog (SR_WatchDog) - Check Point Software Technologies - C:\Program Files\CheckPoint\SecuRemote\bin\SR_WatchDog.exe
O23 - Service: TOSHIBA HDD Protection (Thpsrv) - TOSHIBA Corporation - C:\WINDOWS\system32\ThpSrv.exe
O23 - Service: Tmesrv3 (Tmesrv) - TOSHIBA - C:\Program Files\TOSHIBA\TME3\Tmesrv31.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\WINDOWS\system32\TODDSrv.exe
O23 - Service: LiveBackup Client Service (WEngine) - Atempo, Inc. - C:\Program Files\Atempo\LiveBackup\wengine.exe