In a rare discussion on the severity of the Windows malware scourge, a Microsoft security official said businesses should consider investing in an automated process to wipe hard drives and reinstall malware-infested operating systems. "When you are dealing with rootkits and some advanced spyware programs, the only solution is to rebuild from scratch. In some cases, there really is no way to recover without nuking the systems from orbit," Mike Danseglio, program manager in the Security Solutions group at Microsoft, said in a presentation at the InfoSec World conference here.

....wipe hard drives and reinstall malware-infested operating systems.

They don't think much of their own OS, do they?

Why would anyone want to reinstall an infested system?
John

Microsoft Says Recovery from Malware Becoming Impossible
April 4, 2006

By Ryan Naraine
LAKE BUENA VISTA, Fla.—In a rare discussion about the severity of the Windows malware scourge, a Microsoft security official said businesses should consider investing in an automated process to wipe hard drives and reinstall operating systems as a practical way to recover from malware infestation.