Will my internet really be shut off if I don’t clean a Trojan off my computer by July 9?

kohrt April 25, 2012

Read an article on Gizmodo and now 2 other sites about internet being disabled on your PC if you have a specific Trojan virus.

  1. Bill_Bored
    May 3, 2012 at 5:00 pm

    Please remove B-Mor's SPAM links :( s'il vous plait.

  2. DaveTheCompGuy
    April 26, 2012 at 8:48 am

    The easiest fix is to use OpenDNS - opendns.com - or use the free DNS provided by Google... just Google "google public DNS". Both are free and have advantages over your ISPs DNS server.

    • B-Mor
      April 26, 2012 at 1:57 pm

      Please tell me this is not your complete reccomendation for remediating this issue. Have you actually read any of the information at http://dwcg.org. While OpenDNS may be you preference for speed and service but what about DNSSEC which many ISPs and financial services are using and OpenDNS seems hesitant to support consistently saying they'll get to it. I'm not saying the technologies they ARE implementing are bad, just not industry trending standard. I just think your statement is dismissive and potentially frustrating in regards to this actual issue.

      • DaveTheCompGuy
        April 26, 2012 at 10:14 pm

        Whoa... My response was targeted at the average user, that just wants to know why they can't connect. The truth is, they can just change their own DNS settings. I gave them some options on what to change it to. ISP's have their own techs and their own answers.

  3. Bruce Epper
    April 26, 2012 at 6:40 am

    Before you even start to worry about it, you can check to see if it will affect you. Go to http://dns-ok.us. If it is green, you probably have nothing to worry about. If it is red, you will need to clean it from your system. The page will give you instructions on how to do it,.

    There is a chance that you could still be infected even though you hit the "green" page if your ISP is redirecting your DNS requests. If that is the case, your ISP should have informed you that they are doing this and that your machine is infected.

    • Justin Pot
      May 3, 2012 at 4:41 pm

      This tool is just awesome. Thanks for pointing it out!

    April 26, 2012 at 1:08 am

    Hello, best option is to clean your computer before that. Get the following software and run it. Chances are it will clean it:

    Superantispyware portable edition:

    Malwarebytes Free:

    If you do not have an antivirus installed, try one of the following:

    Security Essentials:


    If you need more precise instructions let us know

  5. Justin Pot
    April 25, 2012 at 9:46 pm

    The answer: sort of. The trojan in question is forcing computers to use alternative DNS servers, which the FBI took down. Since then the FBI's been running their own DNS servers so people using the Internet could keep using it, but doing so costs a lot of money.

    So it's not that your Internet will be shut off; it just might stop working on any computers that are infected. Don't worry too much, though: the trojan itself is a couple of years old, so if you have up-to-date antivirus software you should be fine. If not, it's time to install something–if you don't have anything I recommend Microsoft Security Essentials.


    • B-Mor
      April 26, 2012 at 2:00 pm

      The FBI are not running the servers, a company called ISC is and for more complete information I urge everyone to please visit http://dwcg.org which is the official website dedicated to this issue from the DNS Changer Working Group.

      • Bill_Bored
        May 1, 2012 at 7:00 pm

        Semantics. The FBI is SUPPORTING ($$$) the operation.


        "The FBI has uncovered a network of rogue DNS servers and has taken steps to disable it. The FBI is also undertaking an effort to identify and notify victims who have been impacted by the DNSChanger malware. One consequence of disabling the rogue DNS network is that victims who rely on the rogue DNS network for DNS service could lose access to DNS services. To address this, the FBI has worked with private sector technical experts to
        develop a plan for a private-sector, non-government entity to operate and maintain clean DNS servers for the infected victims. The FBI has also provided information to ISPs that can be used to redirect their users from the rogue DNS servers to the ISPs’ own legitimate servers. The FBI will support the operation of the clean DNS servers for four months,(Extended to July 9th) allowing time for users, businesses, and other entities to identify and fix infected computers. At no time will the FBI have access to any data concerning the Internet activity of the victims."

    • Bill_Bored
      May 1, 2012 at 6:57 pm

      Good answer.

      • Bill_Bored
        May 1, 2012 at 7:05 pm

        Good answer @ Justin Pot, not M-Mor lol :-)

        • Justin Pot
          May 3, 2012 at 4:41 pm

          Great discussion here, guys. I'm going to put together an article outlining all the information we found together. Kohrt: thanks for bringing this to the community's attention!

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