Why do skull icons appear on some video files? What could that be?

Ramandeep S December 30, 2013
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I had an old CD from which I copied some files to my PC. While copying, Avast detected a virus named “Win32:Evo-gen [Susp.]”. Okay, but after about half hour I see that MP4 videos on my computer have skull icons on them and when changing the icon’s size the icons change to some danger type cross. I restarted my PC and the icons were gone. Then I ran a full system scan and nothing was found. Should I be afraid of something?
Please see images of those strange things –
Skull icons – http://i.imgur.com/Xz5A7Qk.jpg
Icons after changing size – http://i.imgur.com/Kk2xBG2.jpg

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  1. Neod
    January 18, 2014 at 11:42 pm

    i have exactly the same "problem"
    i have VLC too. it's must be a malware on the videos or somthing like that.

  2. kihara
    December 31, 2013 at 6:44 am

    Download the Windows malicious software removal tool and run it once just to be sure. http://www.microsoft.com/en-us/download/malicious-software-removal-tool-details.aspx

    • Ramandeep S
      January 1, 2014 at 3:45 pm

      I don't think WMSRT is better than other third party good softwares.

    • kihara
      January 2, 2014 at 4:24 am

      I didn't say its better but there are some specific viruses that some antivirus programs may not detect but WMSRT will catch. The best thing to do is run the third party software and then run WMSRT once just to be sure.

  3. Hovsep A
    December 30, 2013 at 11:11 pm

    which kind of files you copied from PC?

    • Ramandeep S
      December 31, 2013 at 12:35 am

      I later found out the icons appearing were also in the CD. The images appearing on video are acutally .ico files which I also copied to my computer. BTW I copied every type of file including images, vidoes, .exe files, screensavers (It was one screensaver which was found as virus), fonts, audio files etc.
      Those icons aren't appearing again. But that is a question which needs an answer. Even It doesn't seems fit to call it a glitch. Why some innocent .ico files sit on my video files? An .ico files have nothing to do with MP4, AVI files.

    • Hovsep A
      December 31, 2013 at 8:17 am

      i remember having the same thing as you years ago cant really remember the reason?

      icon over thumbnail do appear
      Thumbnail Handlers
      http://msdn.microsoft.com/en-us/library/windows/desktop/cc144118%28v=vs.85%29.aspx

      Maybe something to do with file association with VLC, perhaps the codec is not well understood by VLC, did you install codec or other media player ? if yes they can do this by default, so go to check their setting and see you can toggle off thumbnail overlay on video

      you can un-check Display file icon on thumbnails on Windows
      Open Folder Options, click the view Tab, scroll to Display file icon on thumbnails

    • Ramandeep S
      January 1, 2014 at 3:41 pm

      I'm on Linux now anyway. I'm always afraid of viruses. And Windows or other security softwares can't guarantee that I'm 100% safe. On Linux at least I'm kinda sure I don't have to worry much. BTW thanks to you for taking time and replying.

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