bonjour voici le probleme antivirus déactivé et quelque logiciels ne veulent pas s'ouvrir par example ccleaner.et voici un rapport :Logfile of HijackThis v1.99.1  
Scan saved at 20:57:15, on 19/12/2008  
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:\windows\system32\spoolsv.exe  
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe  
C:\WINDOWS\system32\bgsvcgen.exe  
C:\WINDOWS\System32\DVDRAMSV.exe  
C:\windows\System32\svchost.exe  
C:\windows\Explorer.exe  
C:\WINDOWS\system32\logoneui.exe  
C:\windows\SOUNDMAN.EXE  
C:\Program Files\Winamp\Winampa.exe  
C:\windows\System32\wuauclt.exe  
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe  
C:\windows\System32\logoneui.exe  
C:\WINDOWS\system32\RAMASST.exe  
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE  
C:\DOCUME~1\louai\LOCALS~1\Temp\winjikebc.exe  
C:\DOCUME~1\louai\LOCALS~1\Temp\lfrbb.exe  
C:\DOCUME~1\louai\LOCALS~1\Temp\winxujuwr.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\logoneui.exe  
C:\Program Files\WinRAR\WinRAR.exe  
C:\DOCUME~1\louai\LOCALS~1\Temp\Rar$EX01.047\HijackThis.exe  
 
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://famous2.topcities.com  
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens  
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)  
F2 - REG:system.ini: Shell=Explorer.exe logoneui.exe  
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll  
O2 - BHO: DgnWebIE - {2843DAC1-05EF-11D2-95BA-0060083493D6} - C:\Program Files\Dragon Systems\NaturallySpeaking\Program\web_ie.dll  
O2 - BHO: PDFCreator Toolbar Helper - {C451C08A-EC37-45DF-AAAD-18B51AB5E837} - C:\Program Files\PDFCreator Toolbar\v3.0.0.0\PDFCreator_Toolbar.dll  
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx  
O3 - Toolbar: Systran40premi.IEPlugIn - {CFB25594-4D5F-11D6-AB7B-00B0D094B576} - C:\Program Files\Systran\4_0\Premium\IEPlugIn.dll  
O3 - Toolbar: PDFCreator Toolbar - {31CF9EBE-5755-4A1D-AC25-2834D952D9B4} - C:\Program Files\PDFCreator Toolbar\v3.0.0.0\PDFCreator_Toolbar.dll  
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32  
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /SYNC  
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /IMEName  
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd  
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE  
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe  
O4 - HKLM\..\Run: [wcmdmgr] C:\WINDOWS\wt\updater\wcmdmgrl.exe -launch  
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\Winampa.exe"  
O4 - HKLM\..\Run: [PCSuiteTrayApplication] C:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe -startup  
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized  
O4 - HKCU\..\Run: [NBJ] "C:\Program Files\Ahead\Nero BackItUp\NBJ.exe"  
O4 - HKCU\..\Run: [TypingSatellite] "C:\Program Files\TypingMaster\KBOOST.EXE"  
O4 - HKCU\..\Run: [firewall 2008] C:\windows\System32\logoneui.exe  
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe  
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE  
O4 - Global Startup: RAMASST.lnk = C:\WINDOWS\system32\RAMASST.exe  
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present  
O7 - HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1  
O8 - Extra context menu item: Ajouter à Kaspersky Anti-Banner - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\ie_banner_deny.htm  
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000  
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL  
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll  
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll  
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe  
O23 - Service: B's Recorder GOLD Library General Service (bgsvcgen) - B.H.A Corporation - C:\WINDOWS\system32\bgsvcgen.exe  
O23 - Service: DVD-RAM_Service - Matsushita Electric Industrial Co., Ltd. - C:\WINDOWS\System32\DVDRAMSV.exe  
O23 - Service: ION Java Daemon 2.0 - Unknown owner - C:\RSI\IDL60\products\ion20\ion_java\bin\ion_srv.exe  
O23 - Service: ServiceLayer - Nokia. - C:\Program Files\PC Connectivity Solution\ServiceLayer.exe  
O23 - Service: TuneUp WinStyler Theme Service (TUWinStylerThemeSvc) - TuneUp Software GmbH - C:\Program Files\TuneUp Utilities 2006\WinStylerThemeSvc.exe .merci.  [spoiler]