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September 27, 2011 / David Bleeker

Apple updates OS X to block Mac Trojan

Apple has updated the bare-bones antivirus protection included with Mac OS X to detect a Trojan horse that poses as a PDF document.

That Trojan, named “Revir.A” by Finnish security company F-Secure but “Revir.B” by others, masquerades as a PDF file. Unwary users who download and open the fake PDF actually start a malware chain reaction that infects a Mac with multiple pieces of attack code, including a “backdoor” designed to listen to a hacker-controlled server for further instructions. [read more]

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