Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
SystemDefender is a misleading application that may give exaggerated reports of threats on the computer. The program then prompts the user to purchase a registered version of the software in order to remove the reported threats.
Antivirus Protection Dates
Initial Rapid Release version October 2, 2014 revision 022
Latest Rapid Release version February 1, 2015 revision 020
Initial Daily Certified version September 21, 2007 revision 019
Latest Daily Certified version January 26, 2015 revision 023
Initial Weekly Certified release date September 26, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.