How to remove a malware from the time machine backup?

A malware file has been found on my mac. i can delete it but it remains in my time machine backup. how do i remove it and all backup copies from the time machine backup?


[Re-Titled by Moderator]

Posted on Jul 1, 2021 11:36 AM

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37 replies

Jul 2, 2021 4:43 AM in response to electrician1982

electrician1982 wrote:

Is is being reported at malware every few hours by NETGEAR Armor security. Even if it can’t do any harm in time machine, it is annoying to get the threat notifications constantly.

Under no circumstances should antivirus be scanning your Time Machine archive. For one thing, there is an insane number of files in any Time Machine archive. Scanning it would be a huge waste of resources and wear and tear on your drives. It would keep your computer busy and slow.


Furthermore, how did this “malware” get on the Time Machine backup anyway? Either the file was harmless to begin with, or the antivirus actually didn’t block when it installed itself in a place where it could do damage. And your antivirus only complains now, when it is harmless?

Jul 2, 2021 2:06 PM in response to electrician1982

In that case just ignore it in TM. If you have to do a full install of the system and user data you'll know to rerun MalwareBytes to remove it if it comes to that.


However, I agree that that option was handy and should be returned to TM. Tell Apple what missing features you'd like restored or new features added to the system via Feedback - macOS - Apple.  

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How to remove a malware from the time machine backup?

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