This denotes the 7z archive format , which is known for its high compression ratio and support for AES-256 encryption .
To access the contents of this file, you must follow specific procedures: Extracting & browsing existing archives - 7-Zip-JBinding
The inclusion of "Гџ" (the Cyrillic character for 'G' and 'shch' or potentially a placeholder for the German 'ß' or other extended ASCII characters ) suggests the file might have been created or named in a system using a specific character encoding , such as Windows-1251 or UTF-8 .