https://forum.aquacomputer.de/weitere-foren/english-forum/114285-information-about-windows-defender-warning-hacktool-win32-winring0-aquacomputerservice-sys/?s=57311a8187bb24be4bb890f5ec16ca8eb09a4c3f
So there has been a bit of noise about lots of programs using the same open source driver...