The applications available for download on this page has been made in Clickteam Fusion 2.5 and that software has no built in code-signing. Malicious applications have been made with the same software and antivirus programs are false-flagging all legitimate applications.
The solution would be to sign my applications, but that is NOT free (~$100/program). What can you do? Well, if you want to help remove this issue, you can make sure to tell your antivirus that these applications are legitimate in order to stop the false-flagging. Read more about this issue here: ⧉ CF2 Virus Falseflags.