Relance Hijackthis, coche les lignes ci-dessous :
O2 - BHO: (no name) - {158A95B4-1F79-3B06-78BF-0424CDB17C2E} - C:\Program Files\Lcworlqs\sisksbnh.dll (file missing)
O2 - BHO: (no name) - {45CD0C19-F275-4D85-AF60-36B8F5934415} - C:\WINDOWS\system32\mljgh.dll (file missing)
O2 - BHO: (no name) - {AEC46770-2165-479E-8EF2-3B7E8AFAFB31} - (no file)
O2 - BHO: {d42120f8-2b9a-be49-61e4-cd2a40e6126d} - {d6216e04-a2dc-4e16-94eb-a9b28f02124d} - C:\WINDOWS\system32\xxdwuvci.dll (file missing)
O2 - BHO: (no name) - {DE8EA246-FD5F-41C4-A22D-30268465A2AB} - (no file)
O2 - BHO: (no name) - {E9794BFD-23D5-46AB-8118-754330C7F7EF} - (no file)
O20 - Winlogon Notify: fccyvus - fccyvus.dll (file missing)
O20 - Winlogon Notify: winwim32 - C:\WINDOWS\
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
Clique sur "Fix Checked".