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What are these mysterious documents on my hard drive?

836 Views 27 Replies Latest reply: Feb 28, 2013 5:21 AM by Kurt Lang RSS
  • John Galt Level 7 Level 7 (33,080 points)

    So we know it is a property list, unfortunately it contains no information to help determine what created it.


    What login items do you have in your user account?

  • John Galt Level 7 Level 7 (33,080 points)

    Thanks, I'm not finished yet so let me know when you can devote some more time to this.


    Post a new topic if I don't respond right away, and include a link to this one:


    What are these mysterious documents on my hard drive?

  • John Galt Level 7 Level 7 (33,080 points)

    Thanks for the update!


    I have no doubt the documents are innocuous. Since they appear to be legitimate property list (.plist) files they contain data useful only to whatever it is that created them. It remains a mystery what that was though.


    If they reappear have your programmer friend see if he can determine that, and let me know what you find out. In the meantime check your "login items" in System Preferences > Users & Groups. If there is nothing unexpected shown, there are other means of determining what may have generated them as well. I do not believe you have reason to be concerned but I prefer to know what my Macs are doing and why they're doing it.

    MacBooks  iMacs  iPads  AirPorts, OS X Mountain Lion,  28 years Apple!
  • Kurt Lang Level 7 Level 7 (31,490 points)

    I've discovered they are being created by certain webpages.

    Ah! Then it could be an attempt at a Java attack. Very, very few people need Java enabled in their browsers. With the many current attacks, which includes Macs through Java, you should leave it off at all times.


    Open Safari's preferences and click on the Security tab. Turn Java off (leave Javascript on).


    See if that cuts these downloads off.

  • WZZZ Level 6 Level 6 (11,880 points)

    And while you're in Safari Preferences, uncheck "Open 'safe' files after downloading".

  • Kurt Lang Level 7 Level 7 (31,490 points)

    I think this fixed it.

    Sort of. You've fixed the issue of "xxx can't be opened" messages coming up because you told Safari not to automatically try to open files when they finish downloading. They're still being downloaded somewhere to your hard drive, though.

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