If you own the game and a hackable Switch, you can legally "dump" your own files for use in emulators like Ryujinx. Always download emulator software directly from their official websites to avoid compromised versions.
If you have already downloaded the file, you can upload it to VirusTotal to scan it against dozens of antivirus engines before opening it. Does your game keep popping up virus warnings? - Facebook Luigis-Mansion-3.rar
Many "game" downloads are actually "wrappers" that install unwanted browser extensions or adware instead of the actual game. Safe Alternatives If you own the game and a hackable
Downloading copyrighted ROMs from third-party sites is illegal under most copyright laws, regardless of whether you own the physical game. While individual users are rarely prosecuted, companies like Nintendo frequently target the sites hosting these files. Does your game keep popping up virus warnings
If you are looking at a file named online, proceed with extreme caution. Files with this naming convention—especially those claiming to be PC versions of Nintendo Switch exclusives—are frequently used to distribute malware or ransomware . Critical Risks
Scammers often repackage popular games into .rar files to spread trojans. If the file prompts you to disable your antivirus or download "missing DLLs" after extraction, it is almost certainly a virus.
The only legitimate way to play Luigi's Mansion 3 is on the Nintendo Switch .