IMPORTANT: MALWARE

[AlzAlz123]

You can understand here in this VirusTotal scan that it has malware. It copies itself in the AppData Temp folder and looks in your Minecraft saves. It also connects to some servers... Maybe his PC got infected and he released these fake versions.

[TheCaptainYaya]

Considering the version you're scanning in question was released a decade ago with probably thousands of people using it in that time, it would be a false positive, meaning the program is safe. VirusTotal isn't always accurate and is occasionally prone to errors like this.