CoreGuard Safebrowser, also referred to as CoreGuard SafeExplorer, is a fake error message pop-up related to the rogue anti-spyware application CoreGuard Antivirus 2009.
AntivirusMaster, Antivirus Master or AV Master, is a rogue anti-spyware program, clone of a AntivirusXP2008, Antivirus 2009 and Antivirus2008. Once AntivirusMaster is installed, it will display popups and system notifications stating that the computer is infected with spyware threats, in an attempt to persuade the user into purchasing the full AntivirusMaster’s commercial version. AntivirusMaster may also use its system scanner to run a fake computer scan and list false positives as a result.