Pb virus MBAM Ferme tout seul PC lent

Bonjour,
Depuis quelques temps je rencontre différents problemes sur mon PC
Il est lent
De plus j'ai souvent des fenetres publicitaires qui s'ouvrent toutes seules, des redirections de sites à partir d'une recherche google,...
De plus MBAM se ferme tout seul au bout de quelques secondes !
J'ai fait un rapport Hijack que voici

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 16:20:04, on 05/01/2010
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\IPSSVC.EXE
C:\Program Files\Diskeeper Corporation\Diskeeper\DkService.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\Program Files\IBM ThinkVantage\Rescue and Recovery\rrservice.exe
C:\Program Files\IBM ThinkVantage\Common\Scheduler\tvtsched.exe
C:\Program Files\ThinkVantage\SystemUpdate\UCLauncherService.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\UltraVNC\WinVNC.exe
C:\Program Files\IBM ThinkVantage\Common\Logger\logmon.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\system32\ICO.EXE
C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
C:\WINDOWS\System32\DLA\DLACTRLW.EXE
C:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe
C:\PROGRA~1\THINKV~1\PrdCtr\LPMGR.exe
C:\WINDOWS\system32\FSRremoS.EXE
C:\Program Files\IBM ThinkVantage\SafeGuard PrivateDisk\pdservice.exe
C:\Program Files\Picasa2\PicasaMediaDetector.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\Pelmiced.exe
C:\WINDOWS\system32\svchost.exe
C:\Documents and Settings\stagiaire.VEY07\Application Data\Microsoft\Notification de cadeaux MSN\lsnfier.exe
c:\program files\fichiers communs\installshield\updateservice\isuspm.exe
c:\Program Files\Fichiers communs\InstallShield\UpdateService\agent.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\a-squared Free\a2service.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\WINDOWS\system32\mstsc.exe
C:\Documents and Settings\stagiaire.VEY07\Bureau\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.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: [Mouse Suite 98 Daemon] ICO.EXE
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
O4 - HKLM\..\Run: [SoundMAX] "C:\Program Files\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [suScheduler] C:\Program Files\ThinkVantage\SystemUpdate\UCLauncher.exe /SCHEDULER
O4 - HKLM\..\Run: [DLA] C:\WINDOWS\System32\DLA\DLACTRLW.EXE
O4 - HKLM\..\Run: [ISUSPM Startup] c:\PROGRA~1\FICHIE~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "c:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [AMSG] C:\Program Files\ThinkVantage\AMSG\Amsg.exe
O4 - HKLM\..\Run: [LPManager] C:\PROGRA~1\THINKV~1\PrdCtr\LPMGR.exe
O4 - HKLM\..\Run: [cssauthe] "C:\Program Files\IBM ThinkVantage\Client Security Solution\cssauthe.exe" silent
O4 - HKLM\..\Run: [PDService.exe] "C:\Program Files\IBM ThinkVantage\SafeGuard PrivateDisk\pdservice.exe"
O4 - HKLM\..\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe
O4 - HKLM\..\Run: [DiskeeperSystray] "C:\Program Files\Diskeeper Corporation\Diskeeper\DkIcon.exe"
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [WinVNC] "C:\Program Files\UltraVNC\WinVNC.exe" -servicehelper
O4 - HKLM\..\Run: [Synchronization Manager] %SystemRoot%\system32\mobsync.exe /logon
O4 - HKLM\..\RunOnce: [Malwarebytes' Anti-Malware] C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe /install /silent
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-21-1060284298-1844237615-839522115-1133\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User '?')
O4 - HKUS\S-1-5-21-1060284298-1844237615-839522115-1165\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User '?')
O4 - HKUS\S-1-5-21-1060284298-1844237615-839522115-500\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User '?')
O4 - HKUS\S-1-5-21-1454471165-706699826-839522115-1156\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User '?')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Startup: Notification de cadeaux MSN.lnk = C:\Documents and Settings\stagiaire.VEY07\Application Data\Microsoft\Notification de cadeaux MSN\lsnfier.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Raccourci vers oxygene.lnk
O4 - Global Startup: Raccourci vers TSEIP.lnk
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\IBM\Java142\jre\bin\NPJPI142.dll
O9 - Extra 'Tools' menuitem: Console Java (IBM) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\IBM\Java142\jre\bin\NPJPI142.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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
O11 - Options group: [JAVA_IBM] Java (IBM)
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/...
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = VEY07.local
O17 - HKLM\Software\..\Telephony: DomainName = VEY07.local
O17 - HKLM\System\CCS\Services\Tcpip\..\{6FDE3DC8-BA8B-4774-BADE-C78FC106F774}: NameServer = 192.168.10.2
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = VEY07.local
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - C:\Program Files\a-squared Free\a2service.exe
O23 - Service: Diskeeper - Diskeeper Corporation - C:\Program Files\Diskeeper Corporation\Diskeeper\DkService.exe
O23 - Service: Google Desktop Manager 5.9.911.3589 (GoogleDesktopManager-110309-193829) - Google - C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Service de base IPS (IPSSVC) - Lenovo Ltd. - C:\WINDOWS\system32\IPSSVC.EXE
O23 - Service: IBM PSA Access Driver Control (PsaSrv) - Unknown owner - C:\WINDOWS\system32\PsaSrv.exe (file missing)
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: TVT Backup Service - Unknown owner - C:\Program Files\IBM ThinkVantage\Rescue and Recovery\rrservice.exe
O23 - Service: TVT Scheduler - Unknown owner - C:\Program Files\IBM ThinkVantage\Common\Scheduler\tvtsched.exe
O23 - Service: ThinkVantage System Update (UCLauncherService) - Unknown owner - C:\Program Files\ThinkVantage\SystemUpdate\UCLauncherService.exe
O23 - Service: VNC Server (winvnc) - UltraVNC - C:\Program Files\UltraVNC\WinVNC.exe

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End of file - 9065 bytes

Merci de votre aide.

Configuration: Windows XP Internet Explorer 8.0