Nvidia is investigating a malware issue on it’s internal systems that may or may not be ransomware.
Nvidia probes cyberattack on internal systems • The Register
Nvidia consumer GPUs are installed with software to prevent their use in crypto-currency operations – theoretically preserving those GPUs for the use of gamers (and others) rather than miners. However of course as soon as a piece of software has been written to stop someone doing something, it is reverse engineered and a “fix” is available.