Over 100,000 thousand computers in China have been infected in just a few days with poorly-written ransomware that encrypts local files and steals credentials for multiple Chinese online services. The crooks demand the victim a ransom of 110 yuan ($16) in exchange for decrypting the files, payable via Tencent’s WeChat payment service by scanning a QR code.
A report from Chinese security firm Huorong, the malware, dubbed ‘WeChat Ransom’ in some reports, emerged on December 1 and the number of infected systems has grown to over 100,000 as of December 4. The infection rate seems to have accelerated in one day, rising to the above number from just 20,000 a day before.
Read more about the massive ransomware campaign on BleepingComputer.