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‘Fully Undetected’ SysJoker Backdoor Malware Targets Windows, Linux & macOS

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Four scanners on VirusTotal currently detect it: 


Note that the Malwarebytes scanner listed is the Windows version.


Also the Intezer analysis lists these Mac files associated with it:




Files and directories created on the machine:






Creates persistence via LaunchAgent under the path /Library/LaunchAgents/com.apple.update.plist. 


<?xml version=”1.0″ encoding=”UTF-8″?>

<!DOCTYPE plist PUBLIC “-//Apple//DTD PLIST 1.0//EN” “http://www.apple.com/DTDs/PropertyList-1.0.dtd”>

<plist version=”1.0″>




















so it shouldn't be long before MWB staff is able to update the detection database.

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33 minutes ago, treed said:

Yup, this should be covered. I do have a suspicion that there is an error with the file paths mentioned in the Intezer report, but it shouldn't matter... the malware should be detected, whether or not I'm right.

Thank you Thomas. 😉

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