There is a new Chip that claims to mine bitcoin and litecoin at the same time.
https://bitcointalk.org/index.php?topic=355268.0I'm skeptical,
LTC ASICs have all been scams so far, but the photos of the chips looked pretty real so you never know.
Most likely explanation is a virus that steals people's GPU power, or a pool within a pool (P2Pools).
144,000 Kh/s using over a 1000 video cards?
It's just 111x video cards! 7990's = 1.3MH/s each.