: After extracting, check the file extension. If you have the capability, verify the file's hash or use a tool that checks Nintendo's digital signatures.
: Ziperto , a well-known but controversial third-party site for console ROMs and updates. Safety Analysis Risk Factor Assessment Expert Advice Direct Malware Medium OLIOLIWRLD-NSwTcH-NSP-Update120-Ziperto.rar
: If the site prompted you to download a "Download Manager" or an .iso file before getting the .rar , that is likely malware. : After extracting, check the file extension
Most modern Switch homebrew tools (like Tinfoil or DBI) perform by default. If the file has been modified, these tools will warn you. Red Flags to Watch For Safety Analysis Risk Factor Assessment Expert Advice Direct
: A .nsp (Nintendo Submission Package) file, specifically for Update 1.2.0.
The .nsp file inside is generally safe if the signature is valid, but the .rar could contain malicious .exe or .bat files. Low