Heur.AdvML.B

My weekly full system scan turned up this.

Category: Quarantine
Date & Time,Risk,Activity,Status,Recommended Action,Path - Filename
7/3/2016 08:51:50,High,razoapi8.dll (Heur.AdvML.B) detected by Virus scanner,Quarantined,Resolved - No Action Required,c:\users\john ozuk\appdata\local\temp\razoapi8.dll

Given that it is an oddly named dll in temp I might suspect a false positive from my HP printer software.

 

Be that as it may, I have some more basic questions.

1) what is this purported to do

2) what is risk level.  Your web site says low, report says high