Woah, okay, I scanned with Virus Total, and this thing sets off a bunch of virus engines, not just Windows Defender, but only the 64-bit executable does this. Notably, it sets off Avast, AVG and McAfee as well.
https://www.virustotal.com/gui/file/5e98fcf0837946cecd4a0ac06b9d10e2536db4e5b48804661fc374c9fb364220/detection