No. WinRar is not free technically. It is a trialware which is free for 40 day time period. After that you have to buy a license to use it. But if you wish, you can use it as long as you want to. But in this case there will be a reminder message to buy it every now and then.Does WinRAR have a virus?
winrar.exe is considered to be a security risk, not only because antivirus programs flag CoolWWWSearch / WinRAR as a virus, but also because a number of users have complained about its performance. CoolWWWSearch / WinRAR is likely a virus and as such, presents a serious vulnerability which should be fixed immediately!