A known type of ransomware virus has spread to China, and the hackers behind it have recently asked for 11 Bitcoin in ransom
Source: https://cointelegraph.com/news/bitcoin-seeking-ransomware-ryuk-virus-found-and-studied-in-china
Bitcoin-Seeking Ransomware ‘Ryuk’ Virus Found and Studied in China
July 19, 2019
CoinTelegraph