Bitcoin Core app keeps being deleted by the system

How to reproduce:

• Go to https://bitcoin.org/en/choose-your-wallet?step=5&platform=mac (the official website of Bitcoin)
• Download Bitcoin-Core (it's not a mining app, it's the official wallet).
• Copy it to /Applications
• Run it
• Close it

In a couple days, the App will be gone from /Applications.

Do it again, it gets deleted again.

I already reported it to Bitcoin-GUI on Github, but I think this is the MacOS's antivirus kicking in. The log now is unreadable, so I don't even know how to check this anymore.