Veux-tu bien scanner les cibles avec:
http://www.virustotal.com/en/virustotalx.html
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1) C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\bwgo000163c6.exe

2) C:\Program Files\Internet Explorer\IEXPLORE.EXE

3) C:\Program Files\Internet Explorer\iexplore.exe
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cocher+fix
O2 - BHO: (no name) - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - (no file)
O3 - Toolbar: (no name) - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - (no file)
O4 - HKLM\..\Run: [bxutjosmq] c:\windows\system32\bxutjosmq.exe bxutjosmq
O4 - HKLM\..\Run: [LanzarL2007] "C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\{AF7B2A5E-7869-4EDE-84AE-E7ACF3A5F796}\{D1DA 2BA7-2592-4036-9BB2-DCCABDE8DC1A}\..\..\L2007tmp\Setup.exe" /SETUP:"/l0x040c"
O4 - HKCU\..\Run: [LDM] C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LogitechDesktopMessenger.exe
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] "C:\Program Files\Logitech\Video\ManifestEngine.exe" boot
O4 - Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O23 - Service: Boonty Games - Unknown owner - C:\Program Files\Fichiers communs\BOONTY Shared\Service\Boonty.exe (file missing)