TDSSKiller is a free tool for fighting rootkits and bootlits. You can run the tool in the regular mode, Safe Mode or in the silent mode. Installing TDSSKiller is easy and will scan your system in only about 15 seconds.
A strong, silent guardian for your PC
Bitdefender Antivirus Free Edition is an antivirus to rely on. It uses a minimalistic approach to make sure of the one thing that matters: whether you’re a rookie or a techie, your PC will be defended against intruders.
AVG free antivirus just got even better. It now includes real-time security updates, scans for both malware and performance issues, and even catches malicious downloads before they reach your PC.
Avast! Free Antivirus is an efficient and comprehensive antivirus program. It is one of the most popular antivirus programs available, thanks to the reliable and trustworthy brand that Avast have created. The key features that continue to make Avast! Free Antivirus so popular are the easy UI, optimized scanning options and continuously updated database of virus definitions.