weird file on usb drive

  1.    #1

    weird file on usb drive


    xMjkYE.exe 641 kb on a usb drive.

    scanned with norton and malwarebytes no bad result.
    tried to delete it and it said I needed admin permission even though I
    was on the admin account at the time.
    tried taking ownership ....same result.

    any ideas?
    thanks
      My ComputerSystem Spec

  2. f14tomcat's Avatar
    Posts : 39,833
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       #2

    thomaseg1 said: View Post
    xMjkYE.exe 641 kb on a usb drive.

    scanned with norton and malwarebytes no bad result.
    tried to delete it and it said I needed admin permission even though I
    was on the admin account at the time.
    tried taking ownership ....same result.

    any ideas?
    thanks
    What was the last thing you used the USB thumb drive for? Maybe that will give us a clue. Google search on it comes up empty. There are ways to zap it, but we should verify first what it is, if we can. Thanks.

    The size of it suggests it's a "stub" file, usually used to download something else, like for an install.

    If there is nothing else on the thumb you want or need, you can format it, and that will kill it. If there are files you need, copy them off, and format.
      My ComputersSystem Spec

  3.    #3

    it is a 4 gig external (easy store)
    downloaded movies , no programs
      My ComputerSystem Spec

  4. f14tomcat's Avatar
    Posts : 39,833
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       #4

    thomaseg1 said: View Post
    it is a 4 gig external (easy store)
    downloaded movies , no programs
    Make a folder somewhere on the hard drive/ssd, copy the movies to it, format the Thumb, copy movies back to it.

    You might want to run Norton and MBAM on the whole Thumb first. Not just that file.

    Not suggesting anything, but the phrase "downloaded movies" raises my antennae. Don't know what, if anything, hitched a ride.
      My ComputersSystem Spec

  5.    #5

    they came from windows store
      My ComputerSystem Spec

  6. f14tomcat's Avatar
    Posts : 39,833
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       #6

    thomaseg1 said: View Post
    they came from windows store
    Ok, then they are safe. Still think it's a stub file. The strange upper-lower case name looks like a link to a cloud server file. If you want it gone, and can't delete it, do the copy/format/copy routine. It may be harmless and came from the store also.
      My ComputersSystem Spec

  7.    #7

    It might be able to be deleted by booting into a linux live flash drive.
      My ComputerSystem Spec

  8.    #8

    I forgot about linux, can it be done with windows linux bash.
    haven't used it much, been waiting for a gui version .
      My ComputerSystem Spec

  9.    #9

    thomaseg1 said: View Post
    I forgot about linux, can it be done with windows linux bash.
    haven't used it much, been waiting for a gui version .
    You don't need to use Linux - just take ownership, give yourself authority and delete it (use takeown then icacls)

    I've found the same as @f14tomcat - Windows will use any connected drive during updates to store temp files. In my experience it will not necessarily delete them.

    I googled "xMjkYE" btw but only found it on a Japanese website of random letter combinations.
      My ComputerSystem Spec


 

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