So I randomly got this one, it drifted in my galaxy, turned a star aura green for like 5 sec, then drifted out. Anticlimactic. What does it do?

EDIT: I figured it out, it makes whatever empire it hits degenerate.

Is there a way to destroy the seeper of sloth?

Nope, though that would be fun. Can you recommend a way to do it? :)