Nuke it from orbit

Microsoft Says Recovery from Malware Becoming Impossible

Ripley: I say we take off and nuke the site from orbit. It's the only way to be sure. “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.

It’s the only way to be sure.