The FBI estimates that Gameover Zeus is responsible for more than US$100 million in losses. The botnet can be used to facilitate financial fraud on a large scale by hijacking thousands of victims online banking sessions. A grand jury in Pittsburgh has unsealed a 14-count indictment against the Russian citizen Evgeniy Mikhailovich Bogachev. Bogachev is considered by US authorities as the alleged leader of a cyber criminal gang based in Russia and Ukraine responsible for the development and operation of both the GameOver Zeus and Cryptolocker schemes.”]