If you haven't opened it, delete it immediately.
If this file was downloaded unintentionally or from an untrusted source: LS Models unsorted - Downloader.exe
While there is no official documentation for a legitimate software package called the specific naming convention—combining "LS Models" with "Downloader.exe"—strongly suggests it may be associated with pirated content or malicious software masquerading as a utility. Security Warning If you haven't opened it, delete it immediately
Use a tool like Autoruns to see if the file has scheduled itself to run automatically when your computer starts. If you haven't opened it