The "SS" and "Mic" prefixes are often shorthand for specific content categories in file-sharing communities:
: Commonly denotes "Microphone," "Micro," or "Mic-only" audio versions of media. SS-Mic-009_v.7z.001
: Right-click the .001 file and select "Extract Here" or "Extract to..." The software will automatically pull data from the subsequent volumes to reconstruct the original file. Do you have the other numbered parts of this archive, or The "SS" and "Mic" prefixes are often shorthand