Popup - Speed up & Optimize your PC with CCleaner (ccleanerpc.online)
Registered via NameCheap on August 21, 2021 - Whois ccleanerpc.online
Associated Facebook Account (Created in the U.S. on September 29, 2020) - Charity Flags (facebook.com)
Note: Their account may have been compromised so I took the liberty of informing them of the issue.
Any.Run - https://www.sendspace.com/pro/dl/sj8mow - Interactive analysis - ANY.RUN
Program contains several trojans, such as Kryptik and StopCrypt