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Mac App developers Issued Urgent Malware Warning
Mac App developers Issued Urgent Malware Warning. Mac security has been going through some difficult times after the warning from Checkpoint to users regarding a first of a kind Trojan spreading in Europe. The latest malicious problem has been found in one of the most important video transcoding apps for Mac.
The developers of the software Handbrake issued a warning, mentioning that one of the mirror sites to download the software has been compromised. The warning is only for those users who may have downloaded the software between 2nd to 6th May with a maximum chance of being infected.
On the mirror server, the installer file download.handbrake.fr (HandBrake-1.0.7.dmg) was replaced by a malicious file, which gives the hacker root access privileges to the system. The malware is a form of OSX.PROTON. In February, Apple had issued an update to XProtect to account for the original Proton. The latest version should automatically download for more users.
Following the process of detection and removal of the malicious malware:
Your device is infected if you see a process called “Activity_agent” in the OSX Activity Monitor application. For instance, if you’ve installed a HandBrake.dmg with the following checksums, you will also be infected:
The Trojan in question is a new variant of OSX.PROTON
Open up the “Terminal” application and run the following commands:
launchctl unload ~/Library/LaunchAgents/fr.handbrake.activity_agent.plistrm -rf ~/Library/RenderFiles/activity_agent.appif ~/Library/VideoFrameworks/ contains proton.zip, remove the folder
Then Remove any “HandBrake.app” installs you may have.
Users of Handbrake should be more careful, although primary mirror site and the automatic updater on versions 1.0 or later haven’t been affected. For a safety measure, it is suggested that users should change all passwords stored in any OSX or browser keychains.
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