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Thread: Corrupted files or virus?

  1. #1
    Join Date
    Oct 2012
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    Exclamation Corrupted files or virus?

    Yesterday I discovered what may be a virus on my thumb drive. Or it could just be corrupted files, but I don't know which.
    Why do I think its a virus? Because:
    1) Whenever I mess with them (e. g. Attempting to copy or move them [which fails] or
    going in to the folder) causes my thumb drive to go into read-only mode.
    2) Their combined file size is over 1 terabyte, although my thumb drive only holds 16 GB
    3) Their are hidden folders that I can only see on Windows

    I found them in the files folder of a web page (two actually) that I saved to my computer.
    I could probably delete them, but I would like to save them for further study (but not on the thumb drive that has my backups on it).

    This virus(?) does not appear to be affecting Ubuntu.

  2. #2
    Join Date
    Jun 2007
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    Re: Corrupted files or virus?

    Going by the apparent inconsistency in the file sizes, I'm inclined to think that it's more like that something has been scrambled.
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  3. #3
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    Re: Corrupted files or virus?

    Have you been copying CD's or DVD to it?

  4. #4
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    Oct 2012
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    Re: Corrupted files or virus?

    Quote Originally Posted by lisati View Post
    Going by the apparent inconsistency in the file sizes, I'm inclined to think that it's more like that something has been scrambled.
    That's what I thought. But why is my thumb drive switching to read-only mode?

    Quote Originally Posted by ibjsb4 View Post
    Have you been copying CD's or DVD to it?
    Nope.

  5. #5
    Join Date
    Feb 2011
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    Re: Corrupted files or virus?


  6. #6
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    Oct 2012
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    Re: Corrupted files or virus?

    Quote Originally Posted by bfmetcalf View Post
    They aren't .zip files though. But that "Zip Bomb" sounds nasty.

  7. #7
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    Ubuntu 14.10 Utopic Unicorn

    Re: Corrupted files or virus?

    Make sure you eject the properly if it is used on Windows or the drive can be damaged and cause the kind of problems you are describing.
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  8. #8
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    Oct 2012
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    Re: Corrupted files or virus?

    Quote Originally Posted by Frogs Hair View Post
    Make sure you eject the properly if it is used on Windows or the drive can be damaged and cause the kind of problems you are describing.
    I've always ejected my thumb drive properly (although Windows doesn't actually turn it off).

  9. #9
    Join Date
    Oct 2012
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    Re: Corrupted files or virus?

    I guess I'll just delete the files then, since they were most likely just corrupted.
    Here are some screenshots of them.
    Attached Images Attached Images

  10. #10
    Join Date
    Oct 2009
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    Ubuntu 12.04 Precise Pangolin

    Re: Corrupted files or virus?

    Run a chkdsk on the drive if it is running NTFS and fsck if it is running ext*.
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