Operation Ghost Click
International Cyber Ring That Infected Millions of Computers Dismantled
11/09/11
Six Estonian nationals have been arrested and charged with running a sophisticated Internet fraud ring that infected millions of computers worldwide with a virus and enabled the thieves to manipulate the multi-billion-dollar Internet advertising industry. Users of infected machines were unaware that their computers had been compromised—or that the malicious software rendered their machines vulnerable to a host of other viruses.
Details of the two-year FBI investigation called Operation Ghost Click were announced today in New York when a federal indictment was unsealed. Officials also described their efforts to make sure infected users’ Internet access would not be disrupted as a result of the operation.
FBI Statement:
Janice Fedarcyk, New York
Assistant Director in Charge
“Today, with the flip of a switch, the FBI and our partners dismantled the Rove criminal enterprise. Thanks to the collective effort across the U.S. and in Estonia, six leaders of the criminal enterprise have been arrested and numerous servers operated by the criminal organization have been disabled. Additionally, thanks to a coordinated effort of trusted industry partners, a mitigation plan commenced today, beginning with the replacement of rogue DNS servers with clean DNS servers to keep millions online, while providing ISPs the opportunity to coordinate user remediation efforts.” More
The indictment, said Janice Fedarcyk, assistant director in charge of our New York office, “describes an intricate international conspiracy conceived and carried out by sophisticated criminals.” She added, “The harm inflicted by the defendants was not merely a matter of reaping illegitimate income.”
Beginning in 2007, the cyber ring used a class of malware called DNSChanger to infect approximately 4 million computers in more than 100 countries. There were about 500,000 infections in the