Brave malvertising?

should i be concerned about this?

malawarebytes
website blocked
category: malvertising
domain: o4uxrk33.com
ip address: 198.134.112.244
file: c:\program files(x86)\bravesoftware\brave-browser\application*brave.exe*

Just a site you visited (or generated a popup) had a dodgy adserver.

Tried to reply “thanx for info”, but automated message said my reply had to be at least 20 characters (hope this is enough).