The .002 extension indicates that this is not a standalone file. It is the second piece of a larger dataset.
The prefix is often used in specific online communities for cataloging media or software releases. If you are unsure of the source, it is highly recommended to scan the file with security software, such as VirusTotal , before attempting to open it. SS-Vio-008_s.7z.002
To access the contents, you must have all parts of the sequence (e.g., ...7z.001 , ...7z.002 , ...7z.003 ) in the same folder. How to Extract the Data such as VirusTotal