It's here ... Stealth rootkit

Stealth rootkit makes its debut in the real world

… Backdoor.Rustock.A is the first such stealth rootkit found outside the environs of the antivirus lab …
… it uses some new techniques that make it virtually impossible to detect using conventional means …
… Rustock.A has already been proven to run on beta versions of Windows Vista, so this is clearly a rootkit designed with the future in mind …

Interesting. But how does it figure in the troubleshooting section?

Shifting to applications section.

It did not really fit in anywhere. Maybe TE should have a “Security” forum or a “Miscellaneous” forum.