A variant of the Zeus P2P/Gameover trojan has been identified that will allow an attacker to take over the account of anyone using China's biggest Bitcoin platform, BTC China.
Malware disguising itself as a Firefox add-on has ensnared more than 12,500 PCs in a botnet that, since May, has uncovered more than 1,800 vulnerable websites.
Microsoft announced on Thursday that its Digital Crimes Unit - in conjunction with the FBI, Europol's EC3 and technology companies such as A10 Networks - has disrupted a botnet that targets search engines and browsers.