First a comment or two than where I'd go next.

1. Comments:
https://www.google.com/search?q=qihoo+360+total+security&gl=US for those that didn't get the connection to Qihoo.

The shady deal? Read https://finance.yahoo.com/news/how-u-slisted-chinese-companies-are-squeezing-out-minority-investors-172606715.html which they are in the more than 60 companies that went private and public with a big squeeze on the prior investors.

2. I'd head to Bleepingcomputer.com if you can't find this in your add remove control panel.