Malware warning on the mobile version of https://mrrwebdev01.wpmudev.host/

Hi. Mobile view of the website that WPMU cloned for us is showing possible malware. We've determined that there is no malware on the website. Can you please assist?

Screenshot: https://www.dropbox.com/s/10coyh2vkr24zxz/2019-06-17%20WPMU%20test%20site%20malware%20screenshot.png?dl=0

Can you please assist?

Thanks.