CNET - If your computer is infected with the DNSChanger virus, your summertime Internet activities will be seriously curtailed — as in buh-bye. But a special Web site can help you fix the problem.
The FBI is warning that hundreds of thousands of people could lose their Internet connections come July, unless they take steps to diagnose and disinfect their computers.
The problem is related to malware called DNSChanger that was first discovered way back in 2007 and that has infected millions of computers worldwide.
In simple terms, when you type a Web address into your browser, your computer contacts DNS (or Domain Name System) servers to find out the numerical Internet Protocol (IP) address of the site you’re trying to reach, and then it takes you there. DNSChanger fiddled with an infected machine’s settings and directed it to rogue servers set up by a crime ring — servers that handed out addresses to whatever sites the ring chose. More
