avast!, Avira, Dr.Web, ESET NOD 32, Kaspersky Keys 10 January 2013

Antivirus or anti-virus software is used to prevent, detect, and remove malware, including but not limited to computer viruses, computer worm, trojan horses, spyware and adware. This page talks about the software used for the prevention and removal of such threats, rather than computer security implemented by software methods.A variety of strategies are typically employed. Signature-based