Accused Russian RSOCKS Botmaster Arrested, Requests Extradition To US

A 36-year-old Russian man recently identified by KrebsOnSecurity as the likely proprietor of the massive RSOCKS botnet has been arrested in Bulgaria at the request of U.S. authorities. At a court hearing in Bulgaria this month, the accused hacker requested and was granted extradition to the United States, reportedly telling the judge, 'America is looking for me because I have enormous information and they need it.' From the report: On June 22, KrebsOnSecurity published Meet the Administrators of the RSOCKS Proxy Botnet, which identified Denis Kloster, a.k.a. Denis Emelyantsev, as the apparent owner of RSOCKS, a collection of millions of hacked devices that were sold as 'proxies' to cybercriminals looking for ways to route their malicious traffic through someone else's computer. A native of Omsk, Russia, Kloster came into focus after KrebsOnSecurity followed clues from the RSOCKS botnet master's identity on the cybercrime forums to Kloster's personal blog, which featured musings on the challenges of running a company that sells 'security and anonymity services to customers around the world.' Kloster's blog even included a group photo of RSOCKS employees.

The Bulgarian news outlet 24Chasa.bg reports that Kloster was arrested in June at a co-working space in the southwestern ski resort town of Bansko, and that the accused asked to be handed over to the American authorities. 'I have hired a lawyer there and I want you to send me as quickly as possible to clear these baseless charges,' Kloster reportedly told the Bulgarian court this week. 'I am not a criminal and I will prove it in an American court.' 24Chasa said the defendant's surname is Emelyantsev and that he only recently adopted the last name Kloster, which is his mother's maiden name. As KrebsOnSecurity reported in June, Kloster also appears to be a major player in the Russian email spam industry. Kloster turned 36 while awaiting his extradition hearing, and may soon be facing charges that carry punishments of up to 20 years in prison.

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