Indicates the core compression format is 7-Zip .
The identifier typically refers to the first segment of a multi-part compressed archive created with the 7-Zip utility. Based on technical indicators, this specific file name is frequently associated with complex software distribution packages, some of which have been flagged in security sandboxes like Hybrid Analysis for exhibiting suspicious behavior. Technical File Structure 22.7z.001
A file ending in .001 is not a complete archive on its own. It is a "split" volume, a method used to break large files into smaller pieces for easier sharing or storage. Usually the user-defined name of the archive. Indicates the core compression format is 7-Zip