Doesn't renaming the setup file help in installing try renaming it to as simple as possible like, Forever.exe
You may assume that software made from Chinese is Chinese spyware, likewise, software made from US is US spyware.
Personally don't think you need antivirus software anymore. Havent ran antivirus on my laptop for years now. Not one infection. Especially if your a member here, you should know what to and not to click on.