Spybot - Search & Destroy detects and removes spyware, a relatively new kind of threat not yet covered by common anti-virus applications. Spyware silently tracks your surfing behaviour to create a marketing profile for you that is transmitted without your knowledge to the compilers and sold to advertising companies.
Norton Antivirus stops viruses, worms, spyware, bots, and more - Keeps your system protected against all types of malicious threats. Norton Insight delivers innovative intelligence-driven technology for faster, fewer, shorter scans. Rapid pulse updates every 5 to 15 minutes provide you with up-to-the-minute protection.
Stinger is a quick and installation-free standalone tool for detecting and removing prevalent malware and threats, ideal if your PC is already infected. While not a replacement for full fledged antivirus software, Stinger is updated multiple times a week to include detection for newer Fake Alert variants and prevalent viruses.
ESET Smart Security is a security suite for your PC including the following solutions: Anti-Virus, Anti-Spyware, Anti-Rootkit, Anti-Spam, Anti-Theft, Firewall, Parental Control, and Web and Email protection. ESET Smart Security ranks among the leaders in virus, trojan and spyware detection and deletion. It's very fast and uses less system resources than most competitors.