Files with vbransom suffix were renamed (but not encrypted) by the VBRansom ransomware.
VBRANSOM file extension - VBRansom 7 ransomware affected file
What is vbransom file? How to open vbransom files?
File type specification:
File extension vbransom seems to be mainly related to one of the many known ransomware, this particular type branded as VBRansom. It is somewhat unique in the fact that it was written in Visual Basic .NET.
It adds suffix to the affected files, but actually does not decrypt them.