I have picked up JS:ScriptIP-inf(Trj)

How do I remove this threat. Apparently the site is thegoodcaster.com

Hi Brian,

We're glad to look into this & help you.
Please let us know if you've been notified about the threat through AVG program.
If so, share us the screenshot of it after clicking on 'See details' option that is available in the notification for better clarity.