Tuesday, June 19, 2012

How to Remove DNS Changer

DNS Changer is a malicious program that re-addresses your search results in Search Engines to some websites that can contain viruses. This program steals your personal data. The threat has other names such as rootrkit TDSS, zlob dns changer, Troj/Rustok-N, UACd.sys Trojan.

It is possible to detect the presence of DNS Changer on your computer. There are several signs of this infection, for example your Internet Connection slows down, the restore function of your OS is blocked, you also can see different pop-ups on some Web-sites, even on secure ones. You can notice that "msconfig" utility is not available on your computer because of the DNS Changer's impact. The update of your antivirus program can also be blocked as well as antispyware programs or any other security programs. No matter what browser you use, the influence of DNS Changer can be noticed. So, to solve all these terrible problems you should remove DNS Changer from your computer. Sometimes it is not an easy thing to do, but if follow our instructions carefully, you will get rid of this infection.

In order to remove DNS Changer you can use HijackThis. It is a very useful security program that can save you from any virus. First you should download HijackThis and install it on your computer, then run the program and click on the Scan button. After the scanning process you will find the following lines in the HijackThis window. Check their check-boxes.

O17 - HKLMSystemCCSServicesTcpip..{1F5A3FA3-74FB-41DD-AD5B-F8C6C8B3D0EC}: NameServer =,

O17 - HKLMSystemCCSServicesTcpip..{2B7C04D2-0898-43A3-B374-B7AFA580EA23}: NameServer =,

After that you should click on the Fix Checked button. On the completion of this step all your problems will be solved and DNS Changer will be removed. If the previous method was not appropriate for your case and you want to use another one, then try to remove DNS Changer with the help of TDSSKiller. You should download TDSSKiller, unzip it if necessary and open its folder. Then run the TDSSKiller program, it will find the problem on your computer and will remove the virus.

But if this method seems very hard to you, then follow the instructions bellow:

Download any antivirus program, for example, Malwarebytes' Anti-Malware, Spyware Doctor or any special removal tool, we advise you Free DNSChanger Removal Tool from Security Stronghold.Install it on your computer and update it (the removal tool does not need to be updated).Then run the Full Scan and the antivirus will find your problem.

For Macintosh use Special removal tool - DNSChanger Removal Tool for Mac (it can be found on CNET):

Start DNSChanger Removal Tool, click the Scan button to allow the program check your files. DNS Changer Removal Tool will alert you if the infection is detected. When detected, DNSChanger Removal Tool will give you the opportunity to remove it. After detecting and removing the problem, you will need to restart your computer to flush out the bad DNS entries added by the threat.

Security Stronghold is a member of Intel Software Partner Program since May, 2009 and Microsoft Partner Network since November, 2011. I am the owner of SecurityStronghold.com and writing articles is my hobby. Learn about computer security from the trusted source - http://www.securitystronghold.com/

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