Keyfilegenerator.cmd -

A legitimate implementation of this script generally contains the following elements:

To generate unique, often randomized, .key or .txt files used for authentication or encryption.

Consider these alternatives:

endlocal

REM Get Volume Serial Number of C: drive for /f "tokens=5" %%i in ('dir C:\ 2^>nul ^| find "bytes"') do set "VOLSER=%%i"