: If the code refers to a game, the zip would contain an executable ( .exe ), data folders (like www or lib ), and asset files.
: Most modern antivirus software can scan the contents of a ZIP file as long as it is not password-protected. If the archive is encrypted (requires a password to open), your antivirus may not be able to see the files inside until they are extracted. How to Safely Inspect the Content Zip and unzip files - Microsoft Support RJ396558.zip
While ZIP files are standard containers for data, downloading them from unofficial or third-party sources carries risks. : If the code refers to a game,
likely refers to a compressed archive of a specific digital product, most commonly associated with the Japanese digital marketplace DLsite . The "RJ" prefix followed by six digits is a standard product ID format used on that platform to identify adult-oriented content, including ASMR, voice dramas, or independent games. Potential Content of the Archive How to Safely Inspect the Content Zip and
Based on the "RJ" product identification system, here is what a file with that name typically contains: