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  • Flashback Trojan Resurfaces for Mac Users


    The security firm Intego recently issued a report on a new variant of the Trojan known as Flashback.G. This new Trojan adopts a multi-pronged strategy in attacking users’ systems. The methods that are used rely on vulnerabilities in Java, which are patched in systems running up-to-date versions of Java, but leaving outdated systems prone to being infected through the security holes.

    For systems that are up-to-date and don’t have the Java vulnerabilities present, Flashback.G presents a self-signed certificate which claims to be from Apple. This is an attempt to fool users into allowing the Trojan to be installed on their systems. Once its installed, the Trojan begins searching for user names and passwords that it then relays to the malware’s authors.

    The malware patches web browsers and network applications essentially to search for user names and passwords that the infected user might try to access. It looks for a number of domains such as CNN, Google, and Yahoo! along with bank websites, PayPal, and more. Intego also reported that the Trojan aborts its own installation if it detects the presence of any antivirus applications to remain below the radar while focusing on vulnerable systems. The security firm recommends that users on Mac OS X Snow Leopard make sure that Java is fully up-to-date by running a check through Software update and for all users to be aware of the social engineering trick the trojan uses in attempting to gain permission for installation. The firm also recommends that users get antivirus software for their systems.

    Although malware hasn’t been a large threat to Mac users so far, it does have a growing presence and Apple has stepped up its efforts to combat malware by enhancing its File Quarantine system to provide for the daily definition checks. The upcoming, OS X Mountain Lion will be seeing another significant step with the introduction of Gatekeeper, a system by which users can limit installation of apps to sources such as the Mac App Store and developers who are registered with Apple as “identified developers.”

    Source: Intego
    This article was originally published in forum thread: Flashback Trojan Resurfaces for Mac Users started by Akshay Masand View original post
    Comments 16 Comments
    1. Dazz187s's Avatar
      Dazz187s -
      Love apple. Working for the people who own its products. Not like windows that makes us buy software for protection. Lazy pricks.
    1. Jerzdre's Avatar
      Jerzdre -
      i Hate windows with a Passion..Apple works really hard to make sure the system runs smooth, constant updates,making sure we are protected from virus as such.. i had a macbook pro and it feel off my bed and broke so i was forced to buy a windows..that machine was the worse investment i've ever made in my life...trojans, lagg and overall crappy experience..i LOVE APPLE
    1. GmAz's Avatar
      GmAz -
      Quote Originally Posted by Dazz187s View Post
      Love apple. Working for the people who own its products. Not like windows that makes us buy software for protection. Lazy pricks.
      *cough* Microsoft Security Essentials is a free antivirus from Microsoft and is actually pretty damn good.

      Quote Originally Posted by Jerzdre View Post
      i Hate windows with a Passion..Apple works really hard to make sure the system runs smooth, constant updates,making sure we are protected from virus as such.. i had a macbook pro and it feel off my bed and broke so i was forced to buy a windows..that machine was the worse investment i've ever made in my life...trojans, lagg and overall crappy experience..i LOVE APPLE
      Yes, because stopping a program from working in MacOS because they want you to buy a new version of it. Allowing updates to their iPhones/iPads that slows the device down so much you need to upgrade since you can't downgrade the OS. Keep drinking that coolaid. Also, what did you buy, a $200 eMachine. Don't blame windows for your poor computing habits. I've been using windows for nearly 20 years and have had 1 virus, when I was 18 in college.
    1. Jerzdre's Avatar
      Jerzdre -
      Quote Originally Posted by GmAz View Post
      *cough* Microsoft Security Essentials is a free antivirus from Microsoft and is actually pretty damn good.



      Yes, because stopping a program from working in MacOS because they want you to buy a new version of it. Allowing updates to their iPhones/iPads that slows the device down so much you need to upgrade since you can't downgrade the OS. Keep drinking that coolaid. Also, what did you buy, a $200 eMachine. Don't blame windows for your poor computing habits. I've been using windows for nearly 20 years and have had 1 virus, when I was 18 in college.

      lol..1, its Kool-aid, 2, $700 HP laptop...see, you sound like a person who has never had the opportunity to OWN a mac...im telling you MY reasons for not liking Windows, my reasons and your reasons are different and thats fine..
    1. Tucnepo's Avatar
      Tucnepo -
      To me it's compatibility issues.buying a Mac is like being lured into a trap limited access to lots of softwares out there which apple claimed just don't cut it to run on Mac. I like apple design but not the wAy they run apple.
    1. theboss924's Avatar
      theboss924 -
      wow the Mac gets one little virus and everyone flips out? You have to give Apple credit....they have been keeping their system more safe than Windows for years now. Being secure and being safe are two different things and people don't realize that.

      @GMaz --> Wow you are really one of those people who resort to telling people their drinking Kool-Aid? Wow that sounds like a cowardly response from a person who drinks the Windows Kool-Aid (see what I did there?). Yea sure you may not have gotten any viruses in your years of computing experience but from a consumer stand point, people don't want to worry about what they're doing in order to not get viruses. Apple has been all about simplicity....their computers aren't installed with BS and manufacturer BS. Their phones and iPads are installed with just the bare minimum and allow the consumer to load the apps they want.

      "Allowing updates to their iPhones/iPads that slows the device down so much you need to upgrade since you can't downgrade the OS."
      Wow really? I have been updating my Mac, iPhone and now iPad for a long time and these updates cause NO slowing down or issues after they are done. You read the internet too much my friend and people complain about the smallest crap and act like it's the end of the world.

      End of the day, I rather pay for quality....I'm a big tech guy but at this point I rather have complicated functions done simply than install a bunch of software to get one problem or function done. It's 2012...things are supposed to be simple...not complicated.
    1. Jerzdre's Avatar
      Jerzdre -
      Well said theBoss924
    1. djdraco's Avatar
      djdraco -
      Ha. And this goes out to all the people who crack on me for owning a PC and claim virii are only designed for PC that macs are invincible.
    1. Cellular's Avatar
      Cellular -
      Quote Originally Posted by Jerzdre View Post
      lol..1, its Kool-aid, 2, $700 HP laptop...see, you sound like a person who has never had the opportunity to OWN a mac...im telling you MY reasons for not liking Windows, my reasons and your reasons are different and thats fine..
      You sound like a person who just goes around every web site and gets viruses like any computer idiot and that's why you went to Mac. Your either to lazy to take the time to do safe browsing or you just go on porn sites and have fun

      Quote Originally Posted by theboss924 View Post
      wow the Mac gets one little virus and everyone flips out? You have to give Apple credit....they have been keeping their system more safe than Windows for years now. Being secure and being safe are two different things and people don't realize that.

      @GMaz --> Wow you are really one of those people who resort to telling people their drinking Kool-Aid? Wow that sounds like a cowardly response from a person who drinks the Windows Kool-Aid (see what I did there?). Yea sure you may not have gotten any viruses in your years of computing experience but from a consumer stand point, people don't want to worry about what they're doing in order to not get viruses. Apple has been all about simplicity....their computers aren't installed with BS and manufacturer BS. Their phones and iPads are installed with just the bare minimum and allow the consumer to load the apps they want.

      "Allowing updates to their iPhones/iPads that slows the device down so much you need to upgrade since you can't downgrade the OS."
      Wow really? I have been updating my Mac, iPhone and now iPad for a long time and these updates cause NO slowing down or issues after they are done. You read the internet too much my friend and people complain about the smallest crap and act like it's the end of the world.

      End of the day, I rather pay for quality....I'm a big tech guy but at this point I rather have complicated functions done simply than install a bunch of software to get one problem or function done. It's 2012...things are supposed to be simple...not complicated.
      If you where really a big tech guy you would build your own pc and get more bang for your buck instead of buying stock like every other non tech person for about $1000 my tower blows these macs away Easy

      Specs: 16gb 4x4 corsair vengeance ram = $80
      Case = $80
      SSD crucial 64gb = $60(on sale)
      Solid state hybrid 1tb = $120
      Amd phenom ii x6 1090t = $160
      Motherboard sabertooth = $180
      Graphics card = $110
      1000 watt power supply = $99
      Liquid coolant = $50

      I wouldn't mind going to Mac but the only way for apple to beat Microsoft is to think gamer:
      Allow: building of comp
      Game compatible

      And most macs can't handle high end games with out heating problems and Intels ****** processors.
    1. charlyc's Avatar
      charlyc -
      Talking to a friend (Windows IT) he will soon take the plunge and get an Iphone they call that going to the dark side. I was in his shoes in 2006 when I got my first Mac and never looked back. At work I have windows machines that are constantly being refreshed or loaded with Windows again and again. You get what you pay for, expensive operating system with cheap hardware that is not always compatible. I now own a IMac 27" and still have my Mac Mini that I bought in 2006 that works just as good as the day I got it. Can't say that for the 2 Dell's that I bought my daughter (now she also has a IMac).
    1. i.Annie's Avatar
      i.Annie -
      Mac malware and viruses, hm...sounds like OS X is getting some attention. Does that mean OS X is now worth hackers' time to create and spread these viruses now? That says something now doesn't it?

      I'm not concerned about this though, I'm sure Apple will fix it and include it into software updates like it always does.
    1. Norb's Avatar
      Norb -
      Damn 20 years without a virus on windows?! You must not ever turn on your computer?

      I'm a system administrator at a hospital, know windows pretty damn well, and I've had at least two viruses in the past 5 years.

      One was because of a noob Comcast installer:
      He installed while I was at work and my room mate let him in. He decided that he would go ahead and plug my PC directly to the modem and leave both on while I was not home. There was no router and I disable windows firewall on my LAN computers.

      Second time I was surfing the web and my flash player was outdated by one version and all of a sudden windows 7 UAC pops up saying flash wants to change my system files. I clicked no and it kept popping up, i manage to get around that but even though it did not spread to every profile my profile was jacked up already.

      So I gotta say... 20 years... that is pretty amazing!

      On the other hand I think Mac users need to relax with the "look we can't get a virus!", it's simply not true... what is true is Mac users are a very small target because there are less of us currently. So why would I waste time writing code for a Mac virus when writing one for windows will have 10 fold the results.

      Either way Apple is going in the right direction and if they manage to implement gate-keeper well Mac users will continue to enjoy virus-free computing even as the amount of people using Macs increases. Lol hopefully by then flash will be replaced with something that does not have a new security vulnerability every week.
    1. celeron's Avatar
      celeron -
      +1 well said
    1. steve-z17's Avatar
      steve-z17 -
      Quote Originally Posted by Cellular View Post
      You sound like a person who just goes around every web site and gets viruses like any computer idiot and that's why you went to Mac. Your either to lazy to take the time to do safe browsing or you just go on porn sites and have fun



      If you where really a big tech guy you would build your own pc and get more bang for your buck instead of buying stock like every other non tech person for about $1000 my tower blows these macs away Easy

      Specs: 16gb 4x4 corsair vengeance ram = $80
      Case = $80
      SSD crucial 64gb = $60(on sale)
      Solid state hybrid 1tb = $120
      Amd phenom ii x6 1090t = $160
      Motherboard sabertooth = $180
      Graphics card = $110
      1000 watt power supply = $99
      Liquid coolant = $50

      I wouldn't mind going to Mac but the only way for apple to beat Microsoft is to think gamer:
      Allow: building of comp
      Game compatible

      And most macs can't handle high end games with out heating problems and Intels ****** processors.
      Lol, I could build a PC with all those specs and throw OS X Lion on it...so just because you can build your own computer doesn't make it a Windows. All of this comes down to user preference, if you like Windows that's cool, if you like Mac that's cool too. Each has their own positives and negatives. Out of my own experience I work on a college campus doing IT, the majority of the calls we get in are for Windows based computers. We still get calls in for Mac but its no where near the number for Windows.

      I own mostly Apple products but I've built my own PC which is running Windows 7. I haven't had any problems with my Apple products but I've had dumb little issues with my Windows PC. It doesn't mean I hate Windows, I just prefer using Apple. It's the people out there who use one product and use the rest of their time hating on the other that is just ridiculous, such a waste of time.

      Oh and the PC I built is running an AMD Processor (Quad-Core) but I still prefer Intel, it may cost more but I think it's better as well.
    1. Jerzdre's Avatar
      Jerzdre -
      Quote Originally Posted by charlyc View Post
      Talking to a friend (Windows IT) he will soon take the plunge and get an Iphone they call that going to the dark side. I was in his shoes in 2006 when I got my first Mac and never looked back. At work I have windows machines that are constantly being refreshed or loaded with Windows again and again. You get what you pay for, expensive operating system with cheap hardware that is not always compatible. I now own a IMac 27" and still have my Mac Mini that I bought in 2006 that works just as good as the day I got it. Can't say that for the 2 Dell's that I bought my daughter (now she also has a IMac).
      +2 bro...well put! the windows brand is terrible
    1. luvmytj's Avatar
      luvmytj -
      The few things out there that have affected Mac's had to be allowed by the user. In comparison, many Windows viruses need no interaction with the user to infect the machine. So you could only get one on a Mac if your not paying attention.
      I have never run virus software so I haven't spent $100's of dollars on virus protection. Yup, I'll take a Mac any day of the week over a Windows machine. Never use them, never will. It's Mac or nothing for me... they work smoothly and flawlessly every time.