Thor is a decentralised P2P botnet, Coded in C / C++ & Developed by “TheGrimReap3r” that has been in development for some time now and is almost ready to go out on sale. Thor uses DLL injection, IAT hooking, ring3 rootkit amongst other things to hide. The developers of Thor going to sale this Botnet openly in underground market and various hacking forums at $8000, the package without modules will be: advanced botkiller, DDoS, formgrabber, keylogger/password stealer and mass mailer.
Source: https://thehackernews.com/2012/03/thor-another-p2p-botnet-in-development.html