Here is another tool in the ongoing battle to fight rootkits and other types of malware. If you don't know what a rootkit is, its a program that tries to hide its presence (i.e.: files, processes, registry keys, and network port) and tries to gain administrator access to your computer. Generally a rootkit will contain a malicious payload like some type of spyware that it will try to install in your system.
Sophos is offering a free Anti-Rootkit scanner, that will seek out and try to remove this software if its installed on your computer. The Sophos Anti-Rootkit scanner can be run from the GUI (Graphical User Interface), or the command line.