Windows Security is flagging converted files to .rar as a Trojan


  1. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
       #1

    Windows Security is flagging converted files to .rar as a Trojan


    Any folder that I simply convert to .rar using Winrar is being flagged as a virus when they're not

    Windows Security is flagging converted files to .rar as a Trojan-untitled.png
      My Computer


  2. Posts : 9,777
    Mac OS Catalina
       #2

    False positive, ignore it.
      My Computer


  3. Posts : 17,013
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #3

    Oh dear.

    Windows security went through a phase of lots of false positives a couple of years ago. I hope it's not starting again.

    Do you know how to add exclusions to Windows security?
    Add or Remove Windows Defender Exclusions - TenForumsTutorials
    - You can add an exclusion for the file type .rar but that does expose you to exploitation, as does every exclusion.
    - I use the PowerShell given in that tutorial to backup my Exclusions and restore them to my other computers to save a bit of work. Admin permission is needed for both operations.

    You can see all your Exclusions in
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions


    All the best,
    Denis
      My Computer


  4. Posts : 108
    Windows 10 Pro 64-bit (19045.2788)
    Thread Starter
       #4

    It's no longer flagging it as a virus (they fixed it?)

    Thanks.
      My Computer


 

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