Hi Apry24, I doubt your PC is infected as I have started getting the same warning from MS Defender for V1.112 too!
I have discovered through researching this that simply changing compiler settings or even just renaming functions are enough to cause positives where there were none before.
So I have just released Blitz3DV1.113 which is just V1.112 but rebuilt with the latest MSVC compilers and tools, and the final zip is not triggering MS Defender so please give this a try.
See my latest dev-log post about this...