New Mac Defender Variant Being Blocked Automatic Definition Update

A newer variant of Mac Defender which bypassed Security Update 2011-003 on Tuesday has in turn been defeated by a definition update, an Italian website notes. A check of Snow Leopard’s XProtect.plist file should now show an entry for “OSX.MacDefender.C.” Definitions for A and B variants of the malware were included with the Security Update. […]