It sounds like you're referring to a file named setuprar from a website (www51scopecn) and asking for a good review after installing it.
If you get the actual .rar file, upload it to: It sounds like you're referring to a file
Stay safe, always verify your downloads, and never ignore antivirus warnings — even if the filename says “setup.” Inspect the link:
Analysis http://www.51scope.cn/files/setup.rar ... - App Any Run upload it to: Stay safe