Alexander Zhukov

Bulgarian police have arrested a supposed Russian hacker at the request of US authorities on charges of committing advertising fraud of over $7 million.

The supposed hacker is named Alexander Zhukov, a Saint Petersburg native who's been living in Varna, Bulgaria, since 2010, according to Russian newspaper Kommersant, which first reported the arrest, reports ZDNet.

The president of the Russian Olympic Committee, Alexander Zhukov, said local athletes are planning to appeal to the Sports Court of Arbitration (CAC) for the punishment imposed by the International Olympic Committee, bTV said.

The IOC has banned the participation of Russian flag at the Winter Olympics in Pyeongchang for systematic violation of anti-doping rules.