TDSSKiller is a freeware rootkit remover app and antivirus program, developed by Kaspersky Lab for Windows. It's pretty efficient. The download has been tested by an editor here on a PC and a list of features has been compiled; see below.
Download TDSSKiller 3.1.0.28 - A tool to help you remove malware belonging to the family Rootkit.Win32.TDSS with the aid of simple scan and deletion operations, reports and minimal user...