Avoid WinAntivirus 2009 scam! The program is presented as a security tool while it’s nothing more but a malware. Do not trust this application and avoid installing it on your machine. Unfortunately, people rarely have a choice regarding installation of WinAntivirus2009. The ‘demo’ version of this tool spreads via malicious websites and trojans. Once it gets on a computer, Win Antivirus 2009 demands money for using the program. Step aside from this trap and remove WinAntivirus 2009 as soon as possible. It freezes a computer and it may download more malwares.

Source: http://www.spywares-remove.com/remove-winantivirus-2009