If you want a permanent, safe, and virus-free solution, do not search for a random "Retromania link." Build your own BIOS file. Here is the step-by-step process.
Since direct download links for copyrighted BIOS files cannot be provided here, enthusiasts often visit community hubs for guidance:
A standard PS2 BIOS set typically includes a .bin file (roughly 4MB), often accompanied by secondary files like .erom , .nvm , .rom1 , and .rom2 .