Description: AVG Free Edition is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product.

Description: McAfee® gives you two ways to protect your PC against nasty viruses and worms like Sasser, Mydoom and Lovsan/MSBlaster. Choose McAfee VirusScan® for real-time virus protection or McAfee Web Essentials for 2-in-1 protection from viruses and hackers. Trusted by over 70 million users worldwide, easy-to-use and with free automatic anti-virus updates during your subscription, McAfee ensures that you always have the most up to date protection available.

Description: Stay protected with the world's most trusted antivirus software. Whether it's while you are surfing or chatting, emailing or file swapping, Norton AntiVirus™ wards off a host of Internet threats. It automatically detects and removes viruses, rids your computer of unwanted spyware, and scans email and IM attachments for threats.

Description: Windows Defender (Beta 2) is a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software.

Description: With the ability to scan your RAM, registry, hard drives, and external storage devices for known data-mining, advertising, and tracking components, Ad-aware SE easily can clean your system, allowing you to maintain a higher degree of privacy while you surf the Web.

Description: Spybot - Search & Destroy can detect and remove a multitude of adware files and modules from your computer. Spybot also can clean program and Web-usage tracks from your system, which is especially useful if you share your computer. Modules chosen for removal can be sent directly to the included file shredder, ensuring complete elimination from your system. For advanced users, it allows you to fix Registry inconsistencies related to adware and to malicious program installations. The handy online-update feature ensures that Spybot always has the most current and complete listings of adware, dialers, and other uninvited system residents.

Description: Dedicated to combating spyware since its inception, Webroot Software understands the complexity of spyware and has designed Spy Sweeper 4.5 with the most advanced blocking, detection and removal capabilities on the market.

Description: This tool checks your computer for infection by specific, prevalent malicious software (including Blaster, Sasser, and Mydoom) and helps to remove the infection if it is found. Microsoft will release an updated version of this tool on the second Tuesday of each month.

This tool is not a replacement for an anti-virus product. To help protect your computer, you should use an anti-virus product. To get the latest Malicious Software Removal Tool, please visit Microsoft Security page and click on Download the Tool.