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Firefox flags MP4 file as malware

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  • 4 ont ce problème
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  • Dernière réponse par cor-el

jordanfilipovski
jordanfilipovski
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Hi,

Is there any reason firefox would flag an mp4 file legitimately?

  • The file extension and file type are absolutely mp4.
  • There seem to be no mp4 related zero days.

Does Firefox perhaps just treat all downloads from suspicious domains as malware? Is there a zero day I missed? Is this based on some missing metadata on the file or something?

Thanks for any advice you can give here, I'm scared.

Hi, Is there any reason firefox would flag an mp4 file legitimately? * The file extension and file type are absolutely mp4. * There seem to be no mp4 related zero days. Does Firefox perhaps just treat all downloads from suspicious domains as malware? Is there a zero day I missed? Is this based on some missing metadata on the file or something? Thanks for any advice you can give here, I'm scared.

Solution choisie

Yes, if a domain is flagged as a suspicious download location then all files downloaded from this location will be flagged, so this has nothing to do with the file extension. See also the about:url-classifier page.

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cor-el
cor-el
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  • Top 10 Contributor
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Solution choisie

Yes, if a domain is flagged as a suspicious download location then all files downloaded from this location will be flagged, so this has nothing to do with the file extension. See also the about:url-classifier page.