Bounties demanded by the Ryuk hackers reach upwards of $5 million to be paid in bitcoin, according to the FBI.
Source: https://www.coindesk.com/bitcoin-ransomware-that-infiltrated-100-us-enterprises-spreads-to-china
Bitcoin Ransomware That Infiltrated 100 US Enterprises Spreads to China
July 18, 2019
CoinDesk
