Leo Kuvayev

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Leo Kuvayev
Leonid Aleksandrovitch Kuvayev

(1972-05-13) 13 May 1972 (age 46)
Other namesAlex Rodrigez

Leonid Aleksandrovitch Kuvayev (born 13 May 1972), who usually goes by the name of Leo, is a Russian/American spammer[1] believed to be the ringleader of one of the world's biggest spam gangs. In 2005, he and six business partners were fined $37 million as a result of a lawsuit brought by the Massachusetts attorney general.[2] It was found that they were responsible for millions of unsolicited e-mails per day. According to Spamhaus he could be the "Pharmamaster" spammer who performed a denial-of-service attack (DDoS) against the BlueSecurity company. Kuvayev is also behind countless phishing and money mule recruiting sites hosted on botnets. He has been called a "spam czar",[3] and a "virtual criminal".[4]

Kuvayev has registered domains with registrars operating in China, New Zealand, and France. Most of his actual web pages have been hosted in China. It is suspected by some information security professionals that Kuvayev may be involved in the operation and control of the Storm botnet.[5]

As of 1 June 2011, Kuvayev has confessed to sex crimes, sexually molesting girls as young as 13 years of age using the basement of his office in Moscow as a "dungeon". Kuvayev allegedly targeted vulnerable youngsters from children's homes, some of whom had mental or learning disabilities. Reports indicate that Kuvayev could face up to 20 years in prison for each offence.[6][7][8]

On 23 March 2012, a court in Moscow found Kuvayev guilty of sexual molestation charges.[9]


  1. ^ "Spamhaus ROKSO: BadCow / mAiLIEN". Spamhaus.org. Retrieved 18 October 2018.
  2. ^ Massachusetts tackles spam gang BBC News, May 12, 2005
  3. ^ "'Spam King' Robert Alan Soloway Pleads Guilty". InformationWeek. 17 March 2008.
  4. ^ "Beauty in the chaos (Translation from Spanish)". Clarín (Argentine newspaper). 8 January 2013.
  5. ^ David Utter, Security Pro News, "Storm Botnet Driving PDF Spam", July 13, 2007.
  6. ^ Notorious Russian spammer 'admits child abuse' The Register, June 1, 2011
  7. ^ Graham Cluley, Sophos.com, "Spam king faces jail after admitting child sex charges", May 31, 2011.
  8. ^ Tom Washington, The Moscow News, "Cyber crime lord faces child rape charges" Archived 2011-11-03 at the Wayback Machine., May 30, 2011.
  9. ^ Lenta.ru, Rambler Media Group, English translation, "Jury convicts Spammer-Pedophile Kuvayev", March 23, 2012.

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