Just found/deleted a file QuickTimeUpdater.dmg that had been identified as OSX/Jahlav-C on my mac. Here's the big question: how do I make sure that the computer is OK now?
Could OSX/Jahlav-C, as it's a trojan, have installed some nasty things that Sophos can not catch? Would the only safe thing be to reformat all machines and delete all time machine backups that came in contact with that file (because they could have been infected by undetectable nasty things?)
Perhaps importantly, the QuickTimeUpdater.dmg file was never actually run on any of the computers in question. (does that mean it never could have executed any badness?)
Would really appreciate any advice!
Thanks!
Josh
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