How to setup PS3 emulator? (Demons's Souls Invalid file or folder)

PS3 file download pages are notorious for bundling malware. When you click a link for , you might actually download:

: If you are trying to "verify" your game dump, tools like PS3-ISO-Rebuilder use this file alongside an IRD (Internal Recording Data) file to check if your game files are complete and authentic. How to Use or "Download" It