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DNSChanger Virus Information and Tips for Removal


Cox Communications is dedicated to protecting the Internet experience of our customers. We notify customers when their computer systems may be infected with a virus or other malicious software. DNSChanger is a virus that compromises Windows and MacOS computers by redirecting legitimate Internet browsing traffic to multiple malicious websites that attempt to steal personal information or download additional viruses or malware.

Removal Instructions

There are many forms and versions of this malicious software and no utility can effectively detect and remove all versions of this software from all operating systems at this time. Cox recommends the following instructions as they may be effective in removing the malicious software from your devices.

  • The Microsoft Safety Scanner has been known to remove this virus. This is not the same as the Microsoft Malicious Software Removal Tool.
  • Removing the virus does not resolve the DNS settings issue that is preventing you from using the Internet. To clear the DNS settings that the virus added and to set your devices to automatically detect the correct Cox DNS servers instead, reset the IP settings on all impacted devices and routers to use DHCP.

If you need help to remove the virus or to change device or router settings, Cox Complete Care or the device manufacturer may be able to assist.

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