Other av’s don’t check for blacklisting on IP’s, avast does.
It is the IP that is blacklisted for good reasons.

http://urlquery.net/report.php?id=1448297497061
http://urlquery.net/report.php?id=1448297536524
http://zulu.zscaler.com/submission/show/1ef0374c87f635e1482c827b1a81748f-1448297332

Vulnarable to Poodle Attack (and other security problems)
They should have taken precautions over a year(!) ago.
https://www.ssllabs.com/ssltest/analyze.html?d=wifi-spot.biz
https://www.us-cert.gov/ncas/alerts/TA14-290A

https://blog.avast.com/tag/false-positive/