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Mismatch is a folder action that will search files to see if they contain the MAC.Amphimix [Symantec] virus - Also known as MP3Virus.Gen [Intego], MAC_MP3CONCEPT.A [Trend]. Mismatch will check any files, or files contained inside folders, to see if a file's name-extension corresponds to the file's file type and kind. If it does not meet this criteria, the script asks the user what they want to do - Either quarantine the file or Trash the file.


Mac OS X 10.2 or later

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MisMatch User Discussion

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Anonymous Member IconReview

It's also not a virus. It's an application that has an iTunes mp3 document icon and does contain a short audio clip. THERE ARE NO VIRUSES FOR Mac OS X.

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Version 1.2.1
djdarlek Member IconComment+2

don't quote me on this.. but i think you can turn off safari's ability to auto open 'safe' files (such as .dmg etc..)


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Version 1.2.1
Anonymous Member IconReview

Nice thought, but this virus has never been seen in the wild, and probably won't be... the whole mechanism it uses is just too fragile.

If you just drag your music into itunes you'll do just as well.

Now if only Apple would take out all the "automatically unpack archives and run installers by default" stuff in Safari...

Reply1 reply
Version 1.2.1
Anonymous Member Icon

don't need to wait for apple to "take it out" simply
(1) open safari
(2) go to menu item Safari>Preference or press cmd + ,
(3) Select the "General" Preference Pane
(4) Uncheck the box labeled "Open "safe" files after downloading"

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Current Version (1.x)


Downloads 2,821
Version Downloads 1,699
Type Utilities / Virus
License Free
Date 15 Apr 2004
Platform OS X / PPC 32
Price Free