Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
MessengerBlocker is a misleading application that may periodically spam the user's computer with random popups and then prompts the user to purchase a registered version of the application in order to protect against unwanted popups.
Antivirus Protection Dates
Initial Rapid Release version October 2, 2014 revision 022
Latest Rapid Release version October 2, 2014 revision 022
Initial Daily Certified version October 10, 2007 revision 016
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date October 17, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.