Virus , pop ups + connection ralentie

Bonjour,
Je viens de me faire avoir par un virus , surement pris sur MSN , mais je n'ai aucune certitude. Au début je pensais qu'il n'y avait que des pop up , mais ça a empiré , j'ai coupé la connexion internet . J'ai un rapport :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:04:58, on 19/12/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.20815)
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:\Program Files\Windows Defender\MsMpEng.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\fxstaller.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Spybot\TeaTimer.exe
C:\documents and settings\administrateur\local settings\application data\gkeii.exe
C:\Program Files\Antivirus 2009\av2009.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\Program Files\Eset\nod32krn.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\TeamViewer3\TeamViewer_Host.exe
C:\Program Files\TeamViewer3\TeamViewer.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Trend Micro\HijackThis\hijackthis.exe

O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Windows UDP Control Center] fxstaller.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [1817bcb3] rundll32.exe "C:\WINDOWS\system32\bqnewueh.dll",b
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot\TeaTimer.exe
O4 - HKCU\..\Run: [qsmmi] "c:\documents and settings\administrateur\local settings\application data\qsmmi.exe" qsmmi
O4 - HKUS\S-1-5-20\..\RunOnce: [nltide3] cmd.exe /C rundll32 advpack.dll,LaunchINFSection nLite.inf,C (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\RunOnce: [nltide3] cmd.exe /C rundll32 advpack.dll,LaunchINFSection nLite.inf,C (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [nltide3] cmd.exe /C rundll32 advpack.dll,LaunchINFSection nLite.inf,C (User 'Default user')
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: NOD32 Control Center.lnk = C:\Program Files\ESET\nod32kui.exe
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) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs: ekiknw.dll
O23 - Service: Application Driver Auto Removal Service (01) (appdrvrem01) - Protection Technology - C:\WINDOWS\System32\appdrvrem01.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: NOD32 Kernel Service (NOD32krn) - Eset - C:\Program Files\Eset\nod32krn.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TeamViewer 3 (TeamViewer) - TeamViewer GmbH - C:\Program Files\TeamViewer3\TeamViewer_Host.exe
O23 - Service: Windows Live Setup Service (WLSetupSvc) - Unknown owner - C:\Program Files\Windows Live\installer\WLSetupSvc.exe