: Right-click the file, go to Properties , and look at the Digital Signatures tab. A legitimate file from a known company will usually have a verified signature.

: "Frost" is a common name in game engines (like Frostbite) or specific mods. A "FrostDM" could potentially be a fan-made "Deathmatch" executable for a specific game.

: If you must test it, use Windows Sandbox or a virtual machine to isolate it from your main operating system.

: This likely refers to the name of the software or project. "Frost" could be a brand or project name, while "DM" often stands for Download Manager , Data Manager , or Deathmatch (in gaming contexts).

: This is a standard abbreviation for Development Version , indicating that this specific file is a pre-release or beta build intended for testing by developers rather than a final consumer product.

Could you provide on where you found this file or what software it might be associated with? 5 simple ways to check if an .exe file is safe. - GlassWire

Because this file is identified as a development version, it is typically found in specialized environments: