Windows 10: MSERT - False Positive Infections???

Discus and support MSERT - False Positive Infections??? in AntiVirus, Firewalls and System Security to solve the problem; I run all 3 of Microsofts scans on my laptop Windows 10: Full Scan, the Offline Scan, and MSERT. The Full Scanand Offline scan report NO infections,... Discussion in 'AntiVirus, Firewalls and System Security' started by KennyG_525, May 22, 2021.

  1. KENNYG_525
    KennyG_525 Win User

    MSERT - False Positive Infections???


    I run all 3 of Microsofts scans on my laptop Windows 10: Full Scan, the Offline Scan, and MSERT. The Full Scanand Offline scan report NO infections, viruses or malware. DURING the MSERT scan, 6 infections are reported. At the COMPLETION of the MSERT scan, it comes back and says NO viruses, malware, infections

    :)
     
    KennyG_525, May 22, 2021
    #1
  2. SNIXTOR
    Snixtor Win User

    False positive for desktop shortcut scanner.lnk

    The 1.239.488.0 virus / spyware definition update that rolled out about 24 hours ago appears to be producing a false positive for any shortcut placed on the desktop called "Scanner.lnk". I can consistently replicate a false positive for Trojan:Win32/FakeSysdef
    with the following steps.

    • Create a shortcut to an exe file.
    • Place the shortcut on the desktop.
    • Name the shortcut "Scanner".
    • Run "Quick Scan".
    I don't get the same result by directly scanning the file, nor by uploading the file to www.virustotal.com, so it would appear this is as a result of a heuristic rather than a file content analysis. I also don't get the same result with a shortcut that links
    to a website.

    Can anyone else replicate? How can we go about getting the Windows Defender team to reconsider this heuristic? It's a bit heavy-handed.
     
    Snixtor, May 22, 2021
    #2
  3. GOFIGUREITOUT
    GoFigureItOut Win User
    Nod32 possible false positive?

    After installing Nod32, it started an initial scan. So far, it has found seven infections. Some of which I am not so sure about. 2 of the 7 infections are Kingsoft WPS office suit and OBS (Open Broadcast Software). I'm wondering if they are false positive or do they really contain some malicious codes.
     
    GoFigureItOut, May 22, 2021
    #3
  4. MARTINEMAREST-TRAUB
    MartineMarest-Traub Win User

    MSERT - False Positive Infections???

    Problem KB890830 false positives ? Q=101000 fichiers infectes ????

    Hi Anne

    Thanks for the info, presently will update to Win10 1706, will see what happens next. Still wondering what would cause the "Fichers infectes"....are the false positives due to...drivers not signed or signatures out of date ? permission ? executables ? the
    infected file count tended to climb in "driver" folders or in "script / exe " files. The machine in Question dates back to Vista and still has some Vista drivers floating around.

    I'll let you know how the update goes

    Thanks M
     
    MartineMarest-Traub, May 22, 2021
    #4
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MSERT - False Positive Infections???

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