They have changed the addresses advertised, I suspect we have "mercenary" spammers there selling their services there.
I'm reverting to different methods to block them. They will grow tired of wasting their time (and ours) hopefully.
Oh and I believe that language is Korean. And no we won't block specific languages.
Most of my technical comments should be correct, but is THIS one ?
Anyway, as a rule of thumb, always double check what people write.