The replacement dns servers that the FBI management had, after the discovery of a Estonian botnet in early november, and remain until the ninth of June, online. Without that servers may be more than 400,000 pcs worldwide without internet.
When the FBI, the botnet brought down, she replaced the rogue dns servers with dns servers in-house. So could the affected pc’s to the internet. There would soon be an end, but there are still more than 400,000 pc’s that make use of the dns servers. The agencies involved want the owners first become aware of the problem.
The malware, called w32/dnschanger led all the traffic on the affected computers to servers under the control of the botneteigenaars, by the addresses of commonly used dns servers on the pcs to adapt. So they could redirect traffic to rogue websites, or your own ads, inject on visited web pages. Thus they earned at least 14 million dollars, according to the FBI.