vsnapvss.exe is a VSNAPVSS
belonging to StorageCraft Volume Snapshot
from StorageCraft Technology Corporation
Non-system processes like vsnapvss.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.