vbsofnet.dll is a Vexira Antivirus Guard for Office 2000
belonging to Vexira Antivirus for MS Office 2000
from Central Command, Inc.
Non-system processes like vbsofnet.dll 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.