Si bien los archivos NSP (que son contenedores de datos de Switch) difícilmente pueden infectar un PC con un virus tradicional, el proceso para llegar a ellos es peligroso:

If you’ve typed into Google, you’re likely looking for a free, quick way to get Nintendo Switch games without paying retail prices. NSP (Nintendo Submission Package) files are the standard digital format for Switch games, DLC, and updates. MediaFire, a popular cloud storage and file-hosting service, has become a common source for users sharing these files across forums, Reddit, and Telegram channels.