Great that you have allready found Hive account@freedomnow ( I have the feeling that in this account all 803 followers are just his/ her upvote- downvote bots ). After this article below I was yeasterday on the hunt.
https://steemit.com/bots/@trogdor/i-was-spammed-by-800-bots-sybil-attacks-and-the-economics-of-buying-selling-votes#@lichtblick/re-trogdor-re-lichtblick-re-trogdor-i-was-spammed-by-800-bots-sybil-attacks-and-the-economics-of-buying-selling-votes-20160818t144301447z