Si hai un virus....fixa questi:

C:\DOCUME~1\Paolo\IMPOST~1\Temp\updufa.exe

O4 - HKLM\..\Run: [updufa.exe] C:\DOCUME~1\Paolo\IMPOST~1\Temp\updufa.exe

O4 - HKLM\..\Run: [hlpefifp] "c:\windows\system32\hlpefifp.exe"