Apple updates OS X Lion, Snow Leopard malware definitions to address new trojan

Apple has updated “its malware definitions for Snow Leopard and Lion systems to allow them to recognize the trojan [OSX/Revir.A, OSX/Imuler.A],” Eric Slivka reports for MacRumors. “Apple updated its tools earlier this year in response to the MacDefender threat, and Snow Leopard and Lion system now automatically check for new malware definitions on a daily basis.”

“Apple’s battles with malware authors continue, however, as CNET discloses that another trojan horse, known as OSX/flashback.A, has been discovered,” Slivka reports. “Like a similar threat that surfaced early last month, the new trojan masquerades as a Flash Player installer to trick users into installing the package.”

Read more in the full article here.

MacDailyNews Take: Here’s our usual oft-repeated reminder for Mac users and anyone who’s trying to use any other platform: Do not download and authorize the installation of applications (Trojans) from untrusted sources. No OS can protect users from themselves (or we wouldn’t be able to install any software). Those who grant attackers access to their Macs, should not be surprised to find their Macs are compromised.

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