Avast
Publisher's description: "Antivirus and anti-spyware engine. Innovative scanning engine protects against viruses, spyware, and other malicious agents. Real-time anti-rootkit protection. Prevents stealth malware (‘rootkits’) that, when loaded by the computer’s OS, are invisible to ordinary scanners. avast! WebRep. Provides website reliability and reputation ratings according to community-provided feedback. avast! CommunityIQ. Our technology uses a global network of sensors to provide us with data taken (anonymously) from the actual web-browsing experiences of an opt-in group of avast! users. This info is then used to protect all avast! users with the most up-to-date information on viruses and infected websites. Because of avast! CommunityIQ, avast! has discovered 263 083 infected websites and protected 33 393 488 people from visiting them in the last 30 days. Boot-time scanner. Scans your computer for infections before the OS can start to activate any viruses beneath it (now applies to Windows 7 and Windows Vista). AutoSandbox. Prompts users to run suspicious applications in the virtual Sandbox environment. Intelligent Scanner. Reduces the number of required file scans up to 80% through a white list of safe applications. Files identified as safe are not rescanned unless they change. Silent/Gaming Mode. Automatically detects full-screen applications and disables pop-ups and other notifications without compromising security. Green computing. Leaves a minimal “footprint” due to its efficient and effective technology."
Supported OS: Windows XP SP2+ 32-bit, Windows Server 2003, Vista, 7 (32-bit and 64-bit) only RTM versions are supported (Windows 7 SP1 RC is currently also supported)
AVG
Publisher's description: "AVG Anti-Virus FREE 2012 is perfect if you use your PC only for surfing, searching or social networking:"
Supported OS: Windows XP/Vista/7.
Get the program: http://www.avg.com/eu-en/homepage
AVG free malware removal tools
AVG offers free malware removal tools.
Get the program:http://free.avg.com/us-en/virus-removal
Iobit Malware Fighter
Publisher's description: "IObit Malware Fighter is an advanced malware & spyware removal utility that detects, removes the deepest infections, and protects your PC from various potential spyware, adware, trojans, keyloggers, bots, worms, and hijackers. With the improved, unique "Dual-Core" engine and the heuristic malware detection, IObit Malware Fighter detects the most complex and deepest spyware and malware in a very fast and efficient way."
Supported OS: Windows 2000/XP/Vista/7.
Get the program:Kaspersky removal tools
Kaspersky offers a range of free removal tools.
Get the program:http://www.kaspersky.com/virus-removal-tools
Malwarebytes Anti-Malware
Publisher's description: "Malwarebytes Anti-Malware Free utilizes Malwarebytes powerful technology to detect and remove all traces of malware including worms, trojans, rootkits, rogues, dialers, spyware and more."
Supported OS: Windows 2000/XP/2003/Vista/Server 2008/7.
Get the program: http://www.malwarebytes.org/products/malwarebytes_free
SUPERAntiSpyware
Publisher's description: "SUPERAntiSpyware Free Edition is 100% Free and will detect and remove thousands of Spyware, Adware, Malware, Trojans, KeyLoggers, Dialers, Hi-Jackers, and Worms. SUPERAntiSpyware features many unique and powerful technologies and removes spyware threats that other applications fail to remove. SUPERAntiSpyware Free Edition does not include real-time blocking or scheduled scanning."
Supported OS: Windows XP/Vista/7.
Get the program:http://www.superantispyware.com/
Symantec Removal Tools
Symantec offers a range of removal tools.
Get the program:http://www.symantec.com/business/security_response/removaltools.jsp