If you've still got DNSChanger on your computer, you could be in for a frustrating summer. The FBI has repeated a warning that as many as half a million computers still infected with the malware could lose their Internet connections on July 9 because the agency is shutting down an expensive workaround to the problem.

The FBI has been running DNS servers since last year to replace malicious servers used by a group of Estonians to conduct an affiliate and referral fee scam made possible by the DNSChanger Trojan, which diverted users seeking legitimate websites to sites the cybergang wanted them to visit in order to collect fees from their traffic.

About 100 servers masquerading as legitimate DNS servers were seized and shut down last November when law enforcement authorities working with the FBI arrested six of the seven individuals in Estonia responsible for infecting millions of Windows and Mac machines worldwide with the DNSChanger Trojan in what they called the Operation Ghost Click raid.


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