The file is generally considered safe and legitimate by the emulation community. Ziperto is a well-known source for 3DS and Switch ROMs, often featured in "trusted" lists on major community forums like r/PiratedGames .
However, the safety of the download process depends heavily on your setup: Safety & Reputation NSMB2-USA-(DLC)-Decrypted-Ziperto.rar
Users report that the site is heavily cluttered with malicious ads and misleading "Download" buttons. You must use a robust ad-blocker like uBlock Origin to avoid malware redirects. The file is generally considered safe and legitimate
The ".rar" extension is standard for these downloads. Ensure that after extraction, the resulting file is a .cia or .3ds file. Never run an .exe file from a ROM site. DLC Technical Details You must use a robust ad-blocker like uBlock
Ziperto is a longstanding site frequently recommended for decrypted 3DS files and DLC.