your computer is infected!!gros problème!!!

depuis quelque jour, j'ai un message ki apparait: your computer is infected dans la barre des tache.j'ai donc suivi les conseil des otres forum, j'ai téléchargé hijackthis j'ai maintenan un log et je ne sais pa tro ce kil fo faire:

Logfile of HijackThis v1.99.1
Scan saved at 12:31:20, on 17/04/2006
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\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Program Files\BroadJump\Client Foundation\CFD.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIADE.EXE
C:\Program Files\QuickTime\qttask.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\c86701c8.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Fichiers communs\SmartCom\RTEGPRS.exe
C:\winstall.exe
C:\Program Files\SAGEM\SAGEM F@st800\DSLMON.exe
C:\Program Files\Microsoft Office\Office\OSA.EXE
C:\Program Files\Club-Internet\Dr Club Internet\bin\mpbtn.exe
C:\Program Files\Club-Internet\Lanceur\lanceur.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Documents and Settings\Accueil\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer avec Club-Internet
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = 127.0.0.1
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {20BA4A55-A458-7927-06C8-0E2EFD91D9CC} - C:\DOCUME~1\Accueil\APPLIC~1\INFOBU~1\save sign.exe (file missing)
O2 - BHO: RXResultTracker Class - {59879FA4-4790-461c-A1CC-4EC4DE4CA483} - C:\PROGRA~1\RXTOOL~1\sfcont.dll (file missing)
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: Barre d'outils MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Toolbar\01.01.2607.0\fr\msntb.dll (file missing)
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Program Files\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [adiras] adiras.exe
O4 - HKLM\..\Run: [BJCFD] C:\Program Files\BroadJump\Client Foundation\CFD.exe
O4 - HKLM\..\Run: [RecoverFromReboot] C:\WINDOWS\Temp\RecoverFromReboot.exe
O4 - HKLM\..\Run: [BlockChecker] C:\Program Files\Block Checker\block-checker.exe
O4 - HKLM\..\Run: [EPSON Stylus DX4800 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIADE.EXE /P26 "EPSON Stylus DX4800 Series" /O6 "USB001" /M "Stylus DX4800"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [lich] lich.exe
O4 - HKLM\..\Run: [c86701c8.exe] C:\WINDOWS\system32\c86701c8.exe
O4 - HKLM\..\Run: [ViGUARD] "C:\Program Files\VIGUARD\SDLOAD32.EXE" /STARTUP
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [rect way] C:\DOCUME~1\Accueil\APPLIC~1\DrvPure\Math2.exe
O4 - HKCU\..\Run: [RTEGPRS] "C:\Program Files\Fichiers communs\SmartCom\RTEGPRS.exe" tray
O4 - HKCU\..\Run: [c86701c8.exe] C:\Documents and Settings\Accueil\Local Settings\Application Data\c86701c8.exe
O4 - HKCU\..\Run: [Windows installer] C:\winstall.exe
O4 - Startup: Club Internet.lnk = C:\Program Files\Club-Internet\Lanceur\lanceur.exe
O4 - Global Startup: Docteur Club Internet.lnk = C:\Program Files\Club-Internet\Dr Club Internet\bin\matcli.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st800\DSLMON.exe
O4 - Global Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Global Startup: Microsoft Recherche accélérée.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.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: 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
O15 - Trusted Zone: *.musicmatch.com
O15 - Trusted Zone: *.musicmatch.com (HKLM)
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=48835
O16 - DPF: {1F83CD9E-505E-4F87-BECE-0832A763E36F} (Image Uploader 3.0 Control) - http://www.presslabo.com/importer/MypixUploader.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls...
O16 - DPF: {A18962F6-E6ED-40B1-97C9-1FB36F38BFA8} (Aurigma Image Uploader 3.5 Control) - http://www.extrafilm.fr/import/ImageUploader3.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} - http://messenger.msn.com/download/MsnMessengerSetupDown...
O16 - DPF: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://game17.zylomgames.com/activex/zylomgamesplayer.c...
O16 - DPF: {DE625294-70E6-45ED-B895-CFFA13AEB044} - http://webcam.gsu.edu/activex/AMC.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: WRNotifier - WRLogonNTF.dll (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: VIGUARD Service (VigService) - Unknown owner - C:\Program Files\VIGUARD\SERVICE.EXE