It's been almost 3 years since Microsoft first warned the computing world about Rootkits
(see article at following link
yet these malicious snooping programs are still a major threat, and still are unrecognizable by most standard versions of the major Anti-Virus programs.
There are however, a large and growing selection of Anti-Rootkit Software programs,
that have been issued this year and of which many are still in Beta versions.
Here is a link to an excellent website source for Rootkit information which has a very
comprehensive listing of all the Anti-Rootkit Software
programs (most are Free
Rootkit Detection and Removal programs:http://www.antirootkit.com/software/index.htm
At the very bottom of the page, there's a list of Prevention programs.