Sometimes automated downloaders or browser extensions rename files to a generic "Download X" format if they cannot parse the original server-side filename.
Most archive managers (like 7-Zip) allow you to "Open Archive" to see the file list inside before you actually extract and run any files. Avoid any .exe , .bat , or .js files inside unless you are certain of their purpose. Datei herunterladen 2.7z
Files named "Datei herunterladen" (Download File) are frequently found in several contexts: Datei herunterladen 2.7z