: Products like QNAP Boxafe or VPN managers often use "100USER" to denote a 100-user license .

If you are looking for a legitimate file, it may refer to one of the following:

If you tell me or what software it's for , I can help you find the correct, safe download or official documentation.

: Cyberattackers (specifically the group Kimsuky ) have used ZIP files with names like ...SecuwaySSL VPN Manager... 100user... to distribute backdoors.