https://www.theverge.com/report/629...er-fan-control-pc-monitoring-alert-quarantine
On Tuesday morning, some PC gamers woke up to discover their computers were seemingly under threat. A “HackTool” called WinRing0 had suddenly started triggering a Windows Defender alert, as if their PCs were under attack. Some of those computers even began behaving oddly — like blasting their fans at high speed — once the HackTool had been quarantined.