Repeated multiple blocks for mkt.webok.net

I am getting 5 or 6 alerts at a time saying Avast has blocked a threat from webok.net. Screen shot attached. What is it, why do I keep getting repeated multiple blocks and what can I do to fix it?

URL:Mal = Blacklisted URL or IP

Blacklisted
https://www.virustotal.com/#/url/08afaff243cb69d45cb4a1f95a7675f5a550ffe50e58a7c721510a9651674293/detection

Also listed by Norton safe web https://safeweb.norton.com/report/show?url=mkt.webok.net

McAfee http://www.siteadvisor.com/sitereport.html?url=mkt.webok.net#

Also F-Secure

https://sitecheck.sucuri.net/results/webok.net
https://zulu.zscaler.com/report/ffdb04ac-584f-43f3-8af2-b741248fdf0d

Hello,
it should be fixed in next Streaming update.

Milos