Armenian man pleads guilty in US over $15 million Ryuk bitcoin ransomware scheme
Ryuk ransomware suspect pleads guilty in $15M bitcoin extortion case Karen Serobovich Vardanyan, a 34-year-old Armenian national extradited from Ukraine, pleaded guilty on July 8 in Oregon to conspiracy and computer fraud for helping operate a Ryuk ransomware campaign that prosecutors say collected about 1,610 BTC worth more than $15 million from US victims. He agreed to pay over $1.1 million in restitution and faces up to 15 years in prison at sentencing.