A powerful antivirus that prevents, detects, and removes thousands of viruses.
Free utility that detects and removes adware, hijackers, toolbars, and PUPs from your browser.
Software that automatically scans and removes Windows malware.
Search for all kinds of virtual pests with this excellent Russian antivirus.
Open source anti-malware security software designed to detect and remove malware and other threats.
Microsoft's free antivirus aimed at both beginner and advanced users.