Fixa:
C:\WINDOWS\ntsys32.exe
C:\pxz.exe
C:\WINDOWS\System32\BHSV.EXE
O4 - HKLM\..\Run: [MCX Updte] scorti.exe
O4 - HKLM\..\Run: [client] C:\update28200512110140141,68.exe
O4 - HKLM\..\Run: [Windows Automatic Updates] C:\pxz.exe
O4 - HKLM\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKLM\..\Run: [Local Security Authority Service] C:\WINDOWS\System32\lssas.exe
O4 - HKLM\..\RunServices: [MCX Updte] scorti.exe
O4 - HKLM\..\RunServices: [Browser Help Svc] BHSV.EXE
O4 - HKCU\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKCU\..\RunServices: [Browser Help Svc] BHSV.EXE
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: MS Smc Service (MSsmc) - Unknown owner - C:\WINDOWS\winsmc.exe (file missing)
O23 - Service: NTsystem (System) - Unknown owner - C:\WINDOWS\ntsys32.exe
O23 - Service: Windows Time Sync (wservtime) - Unknown owner - C:\WINDOWS\csrss.exe (file missing)
Fai una scansione con ewido:
http://download.ewido.net/ewido-setup.exe