Clarification please?

I would like to clarify something I have been getting mixed information on. I’m farming for the legendary flayer shotgun, and I have been told that it drops from glitches. I’ve also been told that it drops from viruses. Can anyone clarify which of the two it actually comes from? Glitches or viruses? Thank you very much for the help.

It drops from Viruses.

Certain of that.

Also you may want to check this page.

On another note. There are a few youtube videos you can check out that show farming tips on the Flayer.

Cool thanks for the help