Kapersky has an excellent FAQ related to this Botnet

FAQ: Disabling the new Hlux/Kelihos Botnet

QUOTE: Kelihos is Microsoft’s name for what Kaspersky calls Hlux. Hlux is a peer-to-peer botnet with an architecture similar to the one used for the Waledac botnet. It consists of layers of different kinds of nodes: controllers, routers and workers