Kaspersky - 4.72MB (Freeware)
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.
Installing Kaspersky TDSSKiller is easy and will scan your system in a short period of time. It can locate, neutralize, and quarantine the infected files for you. The application is lightweight and has a small footprint. Overall, Kaspersky TDSSKiller is one of the best anti-rootkit applications currently available on the market, period.
It is worth noting that Kaspersky TDSSKiller is not a substitute for anti-virus or Internet security software protection. To keep your computer and devices secure, you should always install these forms of security software.