Stay Guarded to Thwart DNSChanger Nightmare

February 21, 2012, By Sanjeev Ramachandran

Hope all you out there have come across the news of the FBI shutting down the internet on March 8th. Ever thought what might have spurred FBI in doing so? We are sure that the FBI doesn’t do that just to hurt the sentiments of a large number of people. Read on to know the whole story.

First, we would want you to know that, if you lose your internet connection on March 8th, it is not the FBI to be blamed but a group of nefarious web criminals.

From last November onwards, the FBI started warning people about a malicious malware that spreads itself to affect normal network operations. This was followed by the shut down of a venerable Estonian web traffic hijacking operation that long controlled computers with the aid of ‘DNSChanger’ viruses.

The DNSChanger viruses affect your system by replacing DNS server defined on it with another fake server operated by some web criminals. These criminals direct internet users to follow links that would distribute malicious software, or induce you to click on fake ads that would put money to criminals’ account. Moreover, it prevents your security software and updates. How bad!

What did the FBI do about it? They have been working really hard to help victims out of the mess. As an initial step, they replaced the fraudulent servers with legitimate ones. This had a validity of 120 days, and had rescued the users from having no internet access at all. However, this will become obsolete on March 8th .

So, those who haven’t removed the malware from their system would start running into problems. As per the latest report, more than half of Fortune 500 companies and government agencies are still at risk.

But, how can you know if your system is infected with DNSChanger? According to the FBI, the best method is to get your system checked by a computer professional, which again has no great use.

Another option is to use the free Avira DNS Repair Tool to know if your computer is working on a proper server. However, it works only on Windows, and is incapable of removing Trojans.

Alternatively, you can follow the PDF guide to check it by yourself. But just checking isn’t everything; you need some good programs to remove the malware. Are you ready?

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