MSAntivirus2008 (or MSAntivirus, MS Antivirus 2008, MS Antivirus) is a rogue anti-spyware software. MSAntivirus2008 is a clone of AntivirusXP2008, XPAntivirus2008, Antivirus2009, Antivirus2008, VistaAntivirus2008, VistaAntivirus 2008, Windows Antivirus 2008, SystemAntivirus2008, SystemAntivirus 2008 rogue anti-spyware programs. Usually MSAntivirus2008 can be installed into user's computer system by a Trojan, which may slip into his computer through a security hole, it can come through spam emails or even other malware or spyware. MSAntivirus2008 is going to generate fake system warning alerts and fake popup messages about "infection" on user's computer system to scare and trick user into buying "full" version of MSAntivirus2008 useless program. Users should not trust or buy MSAntivirus2008 they should delete it as soon as possible!