Purebasic Decompiler 2021 Link
You suspect a license key check. Break on lstrcmpA . When it hits, examine the two strings on the stack – one is your entered key, the other is the hardcoded valid key.
You’ll get the logic, but not your pretty variable names. purebasic decompiler
Extract data and structures
Replace low-level decompiler output with readable PureBasic form. Example (pseudo): You suspect a license key check
The PureBasic Decompiler offers several features and capabilities that make it a powerful tool for reverse engineering and software development: purebasic decompiler