Estonian hacker Vladimir Tsastin, 35, sentenced to 87 months in prison, followed by one year of probation. He earned $14 million in profits via more than 4 million victims across 100 countries. The gang operated publishing companies Esthost and Rove Digital, which entered into agreements with advertising brokers. They used custom-built “DNSChanger” malware to change domain name system settings on infected computers, allowing them to generate fake clicks. Six other men were named in the related U.S. indictment in July 2015.”]
Source: https://www.cuinfosecurity.com/click-fraud-kingpin-receives-7-year-sentence-a-9072