Popup - UNITED SEASON | Changing the game. Forever. (unitedsummer.com)
A WhoIs lookup reveals the domain was registered via NameSilo on July 26, 2021 - Whois unitedsummer.com
Popup is a direct rip-off of https://united.gg/de/ that redirects to a fake Steam login page, registered via Tucows on July 22, 2021 - Whois ulogsummercup.fun