Russian Espionage Piggybacks on a Cybercriminal’s Hacking; New York Times, March 12, 2017

Michael Schwirtz and Joseph Goldstein, New York Times; 

Russian Espionage Piggybacks on a Cybercriminal’s Hacking

"In the summer of 2014, the F.B.I., together with law enforcement agencies in over half a dozen countries, carried out Operation Tovar, a coordinated attack on Mr. Bogachev’s criminal infrastructure that shut down his network and liberated computers infected with GameOver ZeuS."