Kaspersky TDSSKiller has been developed by Kaspersky Lab. It is a free anti-rootkit detector and remover for the Windows platform. The application is able to scan certain areas of your computer such as the system memory, boot sectors, loaded modules (reboot is required if you choose this), use KSN to scan objects and (optionally) it can detect TDLFS file system or verify file digital signatures.
It is one of the fastest anti-rootkits tools being able to detect and remove all kind of rootkits (especially those identified as TDSS or Win.32.TDSS ) such as Alureon, Cidox, Cmoser, Sinowal, Whistler, Phanta, SST, Pihar, Stoned, MyBios, Zhaba. It is also capable of detecting ZeroAccess rootkits, various bootkits (malware that infects the MBR - Master Boot Record) etc.