There are three things that you should know about the Rootkit:
1. If you have a notebook, you probably have The Rootkit.
2. You can't erase the Rootkit, but you should know how to deactivate it.
3. Finally, you should know how you (or somebody else) could activate the Rootkit.
http://www.blackhat.com/html/bh-usa-09/bh-usa-09-speakers.html#Ortega
