Windows 10: Saw “Mimikatz” in windows defender, it quickly disappeared before I could investigate

Discus and support Saw “Mimikatz” in windows defender, it quickly disappeared before I could investigate in Windows 10 Ask Insider to solve the problem; So I bought a brand new laptop today and I was just about to install McAfee when I see “threat found” in the bottom right of my screen. Naturally I... Discussion in 'Windows 10 Ask Insider' started by /u/LennyGibson, Feb 4, 2021.

  1. Saw “Mimikatz” in windows defender, it quickly disappeared before I could investigate


    So I bought a brand new laptop today and I was just about to install McAfee when I see “threat found” in the bottom right of my screen. Naturally I clicked on it and Windows defender came up with a threat found named “Mimicatz!” That’s all I had time to read before it miraculously disappeared and Windows said no threat. To be clear during the time i could see the file name I did not click anything, it disappeared before I could click delete or whatever defender wanted me to do. I now have mcafee and performed a scan and nothing has flagged as a threat. Am I safe?

    submitted by /u/LennyGibson
    [link] [comments]

    :)
     
    /u/LennyGibson, Feb 4, 2021
    #1
  2. P4-630 Win User

    Task to auto update windows defender definitions disappears

    My mom has a new laptop with windows 8.1, we always set the windows updates to manual.
    On our other windows 8.1 computers I have created a task for auto updating windows defender definitions, which works fine for us.

    This is how I created this task:

    "Click on "Create Task", name it what you like (mine is Daily Signature Update), set the trigger as the time you want it to run every day.

    For Action browse to Program Files\Windows Defender\MpCmdRun.exe and select it. In "Add arguments" add -SignatureUpdate -MMPC"

    But somehow this task disappears once it has run on my mom's laptop.
    I'm logged in as admin and then I also tried it with running the task scheduler as admin, the task just disappears every day for some reason, while it works fine on our other windows 8.1 computers.

    Anyone an idea why this task disappears every time?

    Thanks.
     
    P4-630, Feb 4, 2021
    #2
  3. Borg 386 Win User
    How to use PowerShell to investigate Windows Defender's malware sigs

    How to use PowerShell to investigate Windows Defender's malware signature definitions database

    How to use PowerShell to investigate Windows Defender's malware signature definitions database - TechRepublic
     
    Borg 386, Feb 4, 2021
    #3
  4. Saw “Mimikatz” in windows defender, it quickly disappeared before I could investigate

    Windows Defender problem

    Hi Ernst,

    To troubleshoot this issue, we suggest that you check the Windows Defender service if it's running. If you are using a third party spyware/malware program, it may disable the Windows Defender service. To do this, please follow the steps below:

    • Press Windows + R key.
    • Type services.msc.
    • Right-click Windows Defender service and click
      Start.

    Let us know the result.
     
    Rafael Com, Feb 4, 2021
    #4
Thema:

Saw “Mimikatz” in windows defender, it quickly disappeared before I could investigate

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