DevilRobber Mac OS X Trojan horse spies on you, uses GPU for Bitcoin mining

Yesterday, users of Sophos’s security products (including our free anti-virus for Mac home users) had their protection automatically updated to protect against a new Mac OS X Trojan horse that has been distributed via torrent sites such as PirateBay.

Copies of the legitimate Mac OS X image editing app GraphicConverter version 7.4 were uploaded to file-sharing networks. However, they came with an unexpected addition.

Hidden inside the download was a copy of the OSX/Miner-D (also known as ‘DevilRobber’) Trojan horse.

If your Mac computer was infected by the malware, the first thing you might notice is performance becoming sluggish.

BitcoinThat’s because OSX/Miner-D tries to generate Bitcoins…

Read more in my article on the Naked Security website.

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Graham Cluley •   @gcluley

Graham Cluley is a veteran of the cybersecurity industry, having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and is an international public speaker on the topic of cybersecurity, hackers, and online privacy. Follow him on Twitter, Mastodon, Bluesky, or drop him an email.