Weird Server Issue - Opening Browser

I have a Server 2012 VM that runs my Veeam software and is also me vCenter. Nothing else.

I have Firefox installed on it though I only use it for internal stuff. Something keeps opening Firefox (default browser) and going to When I open that VM, I will find Firefox open with many tabs, all on

I am 99% certain there is no malware on this server, not to mention malware does not usually take to you to is not the default page for Firefox, it is set to blank.

Any ideas on tracking down what could be doing this? Nothing major, just an annoyance.

Sounds like an issue I had a while ago: