Tag Archives: dns server settings

The DNSChanger malware

If you have been browsing the Web lately and have used Google’s search services, you may find the search results page show a warning at the top that states “Your computer appears to be infected” along with a small description about systems not being able to connect to the Internet in the future. The message also includes a link to an information page that generally describes what malware is and how to detect it. Continue reading The DNSChanger malware

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Network Engineers nightmare:Operation Ghost Click DNS servers to shut down in March

One of the more widespread malware efforts over the past few years was the DNSChanger scam, which installed a Trojan horse that would change the DNS server settings on affected computers to divert traffic to rogue servers.

The DNS system is essentially the Internet’s phone book that allows your computer to resolve a URL to the IP address of the server that hosts its contents. By changing a computer so that it uses a rogue DNS server, the DNSChanger malware was thus able to redirect valid URLs (such as those for banking institutions) to malicious Web sites in order to steal personal information. Continue reading Network Engineers nightmare:Operation Ghost Click DNS servers to shut down in March