VBS:Downloader-BBT

Hi, Mike

We will help you in this. 
You can delete the detected file permanently from the Quarantine itself. 
Refer this article for the steps : https://support.avg.com/SupportArticleView?urlname=Use-AVG-Quarantine

AVG Internet security has found VBS:Downloader-BBT and quarantines it. However, the threat keeps appearing whenever I run a deep scan. Is there any  way I can permanently delete the virus?

Hi, Mike

We will help you in this. 
You can delete the detected file permanently from the Quarantine itself. 
Refer this article for the steps : https://support.avg.com/SupportArticleView?urlname=Use-AVG-Quarantine