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  1. #1


    Member Since
    Dec 06, 2011
    Posts
    5
    Unhappy Dmg files opening themselves? Is it lion or a virus?
    Please help,

    My iMac mounts every dmg file on the desktop while I am not even in the room, (the spinning color wheel) comes up to show busy and my desktop pretty much freezes and I have to reboot/restart,. Recently installed lion and then this happened twice since. I have Integro anti-virus, does this sound like a virus or could it be lion, has anyone had a similar problem?
    Couldn't find anything similar on the internet.

    Please help, this is worrying

  2. #2

    BrianLachoreVPI's Avatar
    Member Since
    Feb 24, 2011
    Location
    Maryland
    Posts
    3,733
    Specs:
    March 2011 15" MBP 2.3GHz i7 Quad Core 8GB Ram | Mid 2011 27" iMac 3.4 GHz i7 16 GB RAM 2 TB HDD
    When you say 'every dmg' file - do you mean every dmg file resident on your HDD gets mounted - or just that they automatically mount after download? If the latter - Are you using Safari? Make sure you go into Safari>Preferences>General and ensure that 'Open safe files after downloading' is not checked

  3. #3

    toMACsh's Avatar
    Member Since
    Jul 30, 2009
    Location
    Wisconsin
    Posts
    6,134
    Specs:
    Mac Mini (Late 2014) 2.6GHz Intel Core i5 Memory: 8GB 1600MHz DDR3
    ...and no, it's not a virus.

  4. #4


    Member Since
    Dec 06, 2011
    Posts
    5
    Every dmg on HDD
    Thank you for replying,

    It opens every dmg on the HDD. The desktop is filled with dmg icons, causing everything to freeze.

  5. #5

    vansmith's Avatar
    Member Since
    Oct 19, 2008
    Location
    Toronto
    Posts
    19,782
    Specs:
    2012 13" MBP (2.5 i5, 8GB)
    Which DMGs are opening? Are these disk images of applications that you have downloaded? What have you installed or changed recently on the machine?
    Important Links: Community Guidelines : Use the reputation system if you've been helped.
    M-F Blog :: Write for the blog
    Writing a Quality Post

  6. #6

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,898
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Are you SURE you did not accidentally highlight them all? I did that maybe 2x by accident and they all opened!

  7. #7


    Member Since
    Dec 06, 2011
    Posts
    5
    .dmg opening spontaneously
    Thank you for replies,

    Every single.dmg file that is on my hard drive is mounted on the desktop.
    The only recent change was installing lion OS X,

    no I didn't highlight anything, the first time it happened I was sitting in front of my mac working on photoshop and then it started mounting dmg files on the desktop, as it was happening I started closing them and got a fright so disconnected my wi-fi access which stopped loading more.

    The second time I was not in front of my mac, I left the room and when I came back the desktop was full of mounted dmg files and my mac had frozen.

  8. #8

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,898
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Do you by any chance have Remote Desktop sharing enabled in sharing? Just curious.

  9. #9


    Member Since
    Dec 06, 2011
    Posts
    5
    No, I don't . . .

  10. #10

    Kevriano's Avatar
    Member Since
    Jul 02, 2006
    Location
    Crawley, England
    Posts
    4,558
    Specs:
    20" Intel iMac 2.4 Ghz/3G Ram/320HD, Snow Leopard. PBook G4, 1.5Ghz/1.5 Ram/250 HD, Leopard 10.5.6.
    Can you take a screenshot? It may help us understand more.
    Try my custom Mac Forums Search Engine: Mac Forums Google Search

    Please use the reputation system if you consider any help given useful (it's the little ✓/✘ on the left <---)


  11. #11


    Member Since
    Dec 06, 2011
    Posts
    5
    I can try
    Quote Originally Posted by Kevriano View Post
    Can you take a screenshot? It may help us understand more.
    I will try take a screen shot, will have to wait for it to happen again and as long as it doesn't freeze my mac again.

    Thanks

  12. #12


    Member Since
    Apr 21, 2011
    Posts
    6
    MB Air opening windows in Yahoo search & MAIL by itself!
    Having a similar problem, but My 2011 Macbook Air (Lion 10.7.)
    is opening MAIL windows AND Yahoo search pages and auto-entering HUGE text files that look like spam emails WHEN I'm not EVEN IN THE ROOM.

    I walk in and it's opened yahoo (I don't have a yahoo account - my girlfriend has check her account on my machine 2-3 times?) and it's done a search all by itself.
    The text looks like this:
    " Work is presented as a tomorrow he is a you are will will laugh him. As is a you go online if you are him and him and him and him you and him are you him and him and him or her you are a you are for me. Me me me me me me him him him him "

    What in the world is this and how has it made it onto my Air. 20 years on Mac, and I've never seen such a thing.
    ideas?
    thanks, Wellsn

  13. #13


    Member Since
    Jan 22, 2010
    Location
    Victoria, BC
    Posts
    20,911
    Specs:
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    Sims:

    WHY do you have ANY dmg files on your desktop? DMG files are for installing software. Once you've installed the software, there is no reason to keep the DMG file.

  14. #14

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,876
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by Wellsn View Post
    Having a similar problem, but My 2011 Macbook Air (Lion 10.7.)
    is opening MAIL windows AND Yahoo search pages and auto-entering HUGE text files that look like spam emails WHEN I'm not EVEN IN THE ROOM.

    I walk in and it's opened yahoo (I don't have a yahoo account - my girlfriend has check her account on my machine 2-3 times?) and it's done a search all by itself.
    The text looks like this:
    " Work is presented as a tomorrow he is a you are will will laugh him. As is a you go online if you are him and him and him and him you and him are you him and him and him or her you are a you are for me. Me me me me me me him him him him "

    What in the world is this and how has it made it onto my Air. 20 years on Mac, and I've never seen such a thing.
    ideas?
    thanks, Wellsn
    It certainly seems like you've got some kind of malware on your system. Have you installed any software from a "less than reputable" source recently?

    I think your best bet would be to give MacScan a try. They have a free, fully functional trial, so you needn't worry about buying it if you don't feel the need to run AV.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

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