Never download VSTs from random “free VST” blogs unless verified (KVR, Plugin Boutique, GitHub, official sites).

Luma offers a free plugin for Unreal Engine 5 that allows you to bring real-world 3D scans (Gaussian Splats) into your game or film projects. 3. Alternatives: Better "Free" VSTs for Texture

If you are looking for "Luma" in the context of gaming hardware, Luma3DS is the standard custom firmware (CFW) for the Nintendo 3DS.

If you want to upgrade your music production without risking malware, check out these highly acclaimed, 100% free VSTs: Vital (by Matt Tytel):