These are the ad servers I encountered:
5qg9ibt1a6.com, svjat0rx99.com, tricsdqejmu.com, haterrotontjo.info, atinhenfortwa.info, 20sodinver20.pw, vinfdv6b4j.com
IP addresses for these domains:
198.134.112.242, 216.21.13.15, 104.18.36.114, 172.64.192.12, 78.140.165.25, 198.134.112.241
You can block these addresses in Windows Firewall (press Win + R then type WF.msc
)