A Minsky moment is a sudden, major collapse of asset values which marks the end of the growth phase of a cycle in credit markets or business activity.

https://en.m.wikipedia.org/wiki/Minsky_moment

The more you know

What about installing some antivirus than can scan on demand?

I don’t know how’s the “market” right now, but a few years ago Malwarebytes was good for Windows, and ClamAV in Linux