I found the exact file causing this response and it's node.dll.
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shows it actually hits 4 different venders, but I've looked around a little and apparently node.dll has a habit of doing this in rpgmaker games? I'm no computer wiz but from what I understand here, it looks like some antivirus programs can't tell the difference between a .dll or .exe writing/reading off the memory or doing so remotely and flag it as nefarious. I'd love someone else to speak up on this though, since it's specifically coming up as a RAT (remote access terminal) and that's a scary accusation.
I scanned a node.dll from another game on my computer and
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so this definitely has me curious.