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  • Safari Browser is the Portal for New Malware Attacks on Mac OS X Users


    A significant new security threat has been detected and its putting Mac users on high alert today. Mac antivirus and security developer Intego has "discovered a rogue anti-malware program" dubbed MACDefender. According to a report from the agency, MACDefender attacks Macs via "SEO poisoning" assaults. (NOTE: The malware described here is in NO WAY affiliated with MacDefender, makers of popular geocaching software).

    When a user clicks on a link after performing a search on a search engine such as Google, this takes them to a web site whose page contains JavaScript that automatically downloads a file. In this case, the file downloaded is a compressed ZIP archive, which, if a specific option in a web browser is checked (Open “safe” files after downloading in Safari, for example), will open.
    Once the file is decompressed and the installer launches, users see what appears to be a friendly screen (see above image) prompting MACDefender setup (it should noted that because the software deceptively requires user agreement, the accompanying threat level warning for MACDefender surfaces as "low"). However, if the installation process is followed - a process that requires the entry of an administrator’s password - the software will call your computer its new home. And this is one digital house-guest you don't want.

    This latest security threat represents yet another example of how malware sites are capitalizing on Safari's "Open Safe Files" feature. Nonetheless, if you have installed the MACDefender software, there's a good chance you'll be able to uninstall the unwanted "house guest" in just a few steps - the first of which is searching for and deleting any and all references to "MACDefender" on your system.

    According to CNET:

    Currently antivirus definitions for Intego's VirusBarrier X6 software are being updated to address this threat, and it is likely other legitimate antivirus software companies are doing the same for their programs. Therefore, if you run VirusBarrier or other antivirus utilities then be sure to check for an update soon, and run a full scan on your system to remove the MACDefender malware.
    Source: Intego, CNET
    This article was originally published in forum thread: Safari Browser is the Portal for New Malware Attacks on Mac OS X Users started by Michael Essany View original post
    Comments 61 Comments
    1. NegativeBeef's Avatar
      NegativeBeef -
      Quote Originally Posted by jbardi View Post
      This is not a virus.. Stupid windows user are jumping all over this. You have to actually INSTALL it manually you morons.
      99.99% of Windows viruses have to be manually installed too. Who's the moron again?

      Quote Originally Posted by jbardi View Post
      Macs do NOT have viruses. A virus installs without human interaction.. only a stupid winblows user like yourself wouldn't know the difference.
      A virus installs without human interaction??? That has got to be the dumbest crap I have ever seen on modmyi. ROFLMAO

      Quote Originally Posted by javiert30 View Post
      Tojan...

      Do you know the history of the Trojan horse?

      That's how a Tojan virus works... That's why it is called Trojan virus. It is a virus
      Actually a trojan is not a virus. You obviously do not know the difference between a trojan and a virus.
    1. norfskate's Avatar
      norfskate -
      Quote Originally Posted by Jahooba View Post
      Considering how 98% of Mac users computer-illiterate and unwaveringly Apple-trusting, this should put a sizable dent in the hipster movement nationwide.
      Wow, right, guess that means I'm in the 2% club......, and everyone else I know....

      Diny be a git!
    1. <(O)> Device's Avatar
      <(O)> Device -
      Quote Originally Posted by jbardi View Post
      This is not a virus.. Stupid windows user are jumping all over this. You have to actually INSTALL it manually you morons.

      Macs do NOT have viruses. A virus installs without human interaction.. only a stupid winblows user like yourself wouldn't know the difference.
      Thank you good sir
    1. <(O)> Device's Avatar
      <(O)> Device -
      Wouldn't really call it a virus if you had to install it yourself.
    1. <(O)> Device's Avatar
      <(O)> Device -
      If being a Mac user makes me a Zombie then I'm fine with that. "Braaaains" *Om nom nom*
    1. rkswat's Avatar
      rkswat -
      Quote Originally Posted by <(O)> Device View Post
      Thank you good sir
      Quote Originally Posted by <(O)> Device View Post
      Wouldn't really call it a virus if you had to install it yourself.
      Quote Originally Posted by <(O)> Device View Post
      If being a Mac user makes me a Zombie then I'm fine with that. "Braaaains" *Om nom nom*
      Pretty sure you could of put all 3 of these awesome posts in one awesome post. I know you're trying to get your post count up and all but come on.
    1. Donnutt's Avatar
      Donnutt -
      Quote Originally Posted by Jahooba View Post
      Considering how 98% of Mac users computer-illiterate and unwaveringly Apple-trusting, this should put a sizable dent in the hipster movement nationwide.
      Oh no you didn't! You are NOT allowed to question Big Brother..er..Steve Jobs. BURN HEATHEN!!!!
    1. <(O)> Device's Avatar
      <(O)> Device -
      Quote Originally Posted by rkswat View Post
      Pretty sure you could of put all 3 of these awesome posts in one awesome post. I know you're trying to get your post count up and all but come on.
      You got me cuff me officer.
    1. dale2's Avatar
      dale2 -
      Quote Originally Posted by rkswat View Post
      Pretty sure you could of put all 3 of these awesome posts in one awesome post. I know you're trying to get your post count up and all but come on.
      weird they normally automerge
    1. Co1d Night's Avatar
      Co1d Night -
      Quote Originally Posted by jbardi View Post
      This is not a virus.. Stupid windows user are jumping all over this. You have to actually INSTALL it manually you morons.

      Macs do NOT have viruses. A virus installs without human interaction.. only a stupid winblows user like yourself wouldn't know the difference.
      Who shattered your windows?

      Quote Originally Posted by <(O)> Device View Post
      Wouldn't really call it a virus if you had to install it yourself.
      Viruses don't HAVE to require non-human interaction to install themselves. And its not just a virus, its Malware meaning its malicious software that could be spyware, viruses, etc.

      Quote Originally Posted by rkswat View Post
      Pretty sure you could of put all 3 of these awesome posts in one awesome post. I know you're trying to get your post count up and all but come on.
      Not unless he's using an iphone or ipod. Then that one awesome post you fantasized about, splitted into three awesome posts.

      Three's better than one!
    1. whookids's Avatar
      whookids -
      Quote Originally Posted by jbardi View Post
      This is not a virus.. Stupid windows user are jumping all over this. You have to actually INSTALL it manually you morons.

      Macs do NOT have viruses. A virus installs without human interaction.. only a stupid winblows user like yourself wouldn't know the difference.
      You're slightly wrong...there are viruses for macs...but the number is insignificant.
      the reason for that is that mac os is based on linux (did you ever hear about it?? the open-source project that steve jobs and co. grabbed, modified, made rubbish and started selling to you??), which is pretty awesome...you should try it
    1. Donnutt's Avatar
      Donnutt -
      It's not Linux, it's based on the unix kernel, as is Linux. Yes, Linux is open source, but there's nothing against writing software from open source and selling it...
    1. norfskate's Avatar
      norfskate -
      Quote Originally Posted by whookids View Post
      You're slightly wrong...there are viruses for macs...but the number is insignificant.
      the reason for that is that mac os is based on linux (did you ever hear about it?? the open-source project that steve jobs and co. grabbed, modified, made rubbish and started selling to you??), which is pretty awesome...you should try it
      Oh yeah, I remember Linux,

      I also remember how barely any common principles are compatible and supported "out of the box", I'm aware of the "anything can be made to work on Linux" stuff, but I'd rather it just did. Cany really be bothered writing a line of code every time I want my CD drive to open.

      I'm afraid a couple of people I know have ruined Linux for me, a few to many conversations about how there watches and toasters run Linux :-/

      I just want to know the time and eat some toast!!!

      Haha :-)
    1. Donnutt's Avatar
      Donnutt -
      Haha! You are very right about Linux zealots!
      I used ubuntu for several years before going to Mac, and it is really getting close to that "out of the box" working. It is what started my moving away from windows. But, for now, Mac OSX works with everything, and frankly I don't have the time to re-learn Linux. I would never recommend it to anyone who can't fix their own machines, but if you have a PC, Ubuntu if a fantastic alternative to windows.
    1. Cer0's Avatar
      Cer0 -
      Quote Originally Posted by Donnutt View Post
      It's not Linux, it's based on the unix kernel, as is Linux. Yes, Linux is open source, but there's nothing against writing software from open source and selling it...
      Even has Unix certification.

      Mac OS X Leopard receives Unix certification | MacNN


      For a while Apple even shares some of it's OS code to the public. I have to find it but can't remember the name of the OS that is built on the shared code.

      OpenDarwin(Founded by Apple) and when that closed down PureDarwin came in.
    1. bjtheclown's Avatar
      bjtheclown -
      Virus
      Infects executables and can replicate itself via infected executable. Spreads by user intervention (aka moving infected executable to uninfected machine).

      Worm
      Self-replicating program that spreads itself through networks. No user intervention needed.

      Trojan Horse
      (Malicious) Software package masquerading as benign software. Trojans often carry malicious payloads, such as viruses, worms or other forms of malware.

      Malware
      A catch-all category for malicious programs. Worms, tojans, viruses and spyware are all forms of malware.

      As there is little information on what MACDefender actually does once installed, it can only be said to be a trojan, as it does not advertise itself truthfully and requires user intervention to be installed. Nothing is said to imply that the trojan contains any virus or worm that exploits a fundamental vulnerability in OS X. Safari, on the other hand, obviously has a few lax security policies that need to be tightened up. The Unix platform under OS X does its job by stopping the program and requiring the user's password before allowing it to continue. Don't install programs if you don't know what they are, simple.
    1. NBAKingzFan10's Avatar
      NBAKingzFan10 -
      It turns out that idiocy, not the choice of operating system, is the number 1 cause of infected systems. There's no scientific study to back this up, but as someone who has used a PC and a MAC, I've never gotten a virus on either OS. It's about knowing what you're doing; if you don't, you'll get malware regardless of what OS you have installed.

      /endunnecessaryapplevswindowsflamewarthathappensona dailybasisonthissite
    1. The Man of Sand's Avatar
      The Man of Sand -
      Quote Originally Posted by NBAKingzFan10 View Post
      It turns out that idiocy, not the choice of operating system, is the number 1 cause of infected systems. There's no scientific study to back this up, but as someone who has used a PC and a MAC, I've never gotten a virus on either OS. It's about knowing what you're doing; if you don't, you'll get malware regardless of what OS you have installed.

      /endunnecessaryapplevswindowsflamewarthathappensona dailybasisonthissite
      Wow your modest....
    1. Donnutt's Avatar
      Donnutt -
      Quote Originally Posted by NBAKingzFan10 View Post
      It turns out that idiocy, not the choice of operating system, is the number 1 cause of infected systems. There's no scientific study to back this up, but as someone who has used a PC and a MAC, I've never gotten a virus on either OS. It's about knowing what you're doing; if you don't, you'll get malware regardless of what OS you have installed.
      Not true! I know many Mac users who are blissfully ignorant of the way their computer works, and have never gotten malware of ANY kind, and PC friends who are far more knowledgeable than me and have had many.

      You can't put people into a cookie-cutter stereotype, you can however with computers.
    1. TheDirtyDiddler's Avatar
      TheDirtyDiddler -
      Only YOU can prevent forest fires.