How to check your Mac or PC for the DNSChanger Trojan
How can I check my computer for the DNSChanger Trojan?
This question was answered on July 5, 2012. Much of the information contained herein may have changed since posting.On July 9th, 2012 the surrogate DNS servers that the FBI put in place last year after arresting a hacker group responsible for infecting over 4 million computers worldwide will be taken down.
That means any machine still infected with the DNSChanger Trojan will cease to have access to the Internet starting on July 9th unless the infection is cleaned and the DNS settings are restored.
The FBI has posted a list of sites that will do a quick online check of your computer, but the US based site is being overburdened and is often inaccessible: English - http://www.dns-ok.us .
As an alternative, you can try the Canadian based site: http://www.dns-ok.ca .
or the Euro site located at: http://dns-changer.eu
If you find that your computer has been infected with the DNS Changer Trojan, you can find suggestions on getting it cleaned up here: http://www.dcwg.org/fix .
Anyone that has lost their connection to the Internet because of the DNSChanger Trojan network shutdown can still manually type this address: http://188.8.131.52 for instructions on how to change their DNS settings back to the trusted servers at OpenDNS.
Or if you aren't comfortable doing it yourself, contact your nearest Data Doctors location for service options: http://www.datadoctors.com/locations .
BONUS TIP: We strongly recommend using the free service from http://opendns.com to secure your home or business network.
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Posted by Ken of Data Doctors on July 5, 2012