Flashback Trojan targets Apple Mac OS X Lion

A new variant of a nasty Apple Mac Trojan has been found in the wild. Picking up where its predecessor left off, the tweaked Trojan can disable the anti-virus software built into recent versions of Apple’s Mac OS X Lion. The Trojan, called “Flashback,” now rewrites the code that governs Apple’s XProtect anti-malware program, wiping out certain files and decrypting — and thereby disabling — its automatic updater component, XProtectUpdater. The Flashback malware poses as a Flash Player installer, however most anti-virus engines should pick it up. Double check with your AV-vendor.

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