An Estonian man has been sentenced to seven years and three months in prison in the U.S. for his role in a cybercriminal operation that infected over 4 million computers with DNS hijacking malware.
- Vladimir Tsastsin, 35, from Estonia, is one of the key players in a US $14 million click fraud operation.
- He is the sixth individual to be sentenced in the case and has received the longest prison sentence.
- He and his group set up companies that masqueraded as publisher networks and entered into agreements with advertising brokers to display ads on their properties.
- In order to earn more money, the group artificially increased the number of user clicks and views for the ads they displayed by installing a malware program.
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