DNSChanger Trojan is able to change inside the infected system the DNS settings hijacking web traffic to unwanted and infected sites. Under a court order, expiring March 8, the Internet Systems Corporation is operating replacement DNS servers for the Rove Digital network. Windows and Mac OS X users are both vulnerable to this malware because it exploits the browser, not the operating system. The FBI took over the botnets command-and-control (C&C) servers in November as part of Operation Ghost Click.”]