Superadmin.exe !!install!! -

: This account has full unrestricted access to the PC. It is disabled by default but can be activated using the command net user administrator /active:yes in an elevated Command Prompt.

Common possibilities:

Some older system management suites use this name for utilities that grant elevated privileges. superadmin.exe

If the file is malicious, the risks are significant. Because the name implies "Super Admin" status, the file likely aims to: : This account has full unrestricted access to the PC