itch.io

Unless confirmed elsewhere, I think it may be intentional. In NiNH there are characters with false positives, and Diane's event assumes the player has some doubts

Gotta have them in the same room

So real... or andromorphs at the very least 

Had a similar thing happen. Scanning showed no results for viruses or threats, but the installer looks like it could have been related to the engine used for the game. Possible that it's just a faulty upload on the PC external link, but the mega seems to work just fine.

Honestly, I know some people don't fw changed, but the designs are too good not to use in something like this.