This script is Copyright (C) 2017 Tenable Network Security, Inc.
An application installed on the remote macOS or Mac OS X host is
affected by a trojan.
According to its binary checksum, the version of HandBrake installed
on the remote macOS or Mac OS X host is affected by the OSX/Proton.B
trojan backdoor. HandBrake was briefly distributed with the trojan due
to a compromised mirror hosting the software. An unauthenticated,
remote attacker can exploit this to exfiltrate sensitive information,
download malicious files, and execute arbitrary code.
See also :
To remove the infected application, open the Terminal application and
run the following commands :
- launchctl unload ~/Library/LaunchAgents/fr.handbrake.activity_agent.plist
- rm -rf ~/Library/RenderFiles/activity_agent.app
Remove the proton.zip archive from the ~/Library/VideoFrameworks/
folder if it exists, and remove any HandBrake.app installs.
Additionally, it is strongly recommended to change all the passwords
that reside in your OSX KeyChain and browser password stores.
Risk factor :
Critical / CVSS Base Score : 10.0
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