Beijing police have arrested 11 individuals in connection with the Fireball malware that had infected hundreds of millions of machines as of 2017. Fireball is an updated form of the ELEX adware which is capable of hijacking users browsers and running any code on an infected machine. As of June 2017, Fireball had claimed 250 million users worldwide and had affected one out of every five corporate networks. The malware is believed to have generated 80 million yuan in 2016 alone. To protect themselves against threats like Fireball, users should download software from only a trusted developer off of respected marketplaces.”]
Source: https://grahamcluley.com/11-arrested-chinese-fireball-malware-investigation/