Based on common usage of the "SSAng" prefix, this is often associated with:
Specifically popular in the VRChat or VTuber communities for character models or clothing sets. SSAng-003.7z
Visit the 7-Zip Official Site to download the free, open-source tool. Based on common usage of the "SSAng" prefix,
Files shared via blogs in compressed formats can carry risks. Before opening, consider these steps: SSAng-003.7z
Run the file through VirusTotal to check for malware across multiple engines.
Some indie artists use this prefix for "Song Sessions" or digital album extras.