Kaspersky TDSSKiller is a powerful anti-rootkit utility that detects and removes rootkits and other malicious software that hides the presence of malware on a system. It uses advanced heuristic algorithms to identify and remove rootkits that can evade traditional antivirus software. The software is easy to use and offers a range of scanning options, including a full system scan, quick scan, and custom scan. Additionally, TDSSKiller can also repair the damage caused by rootkits to system files and registry entries.