Orbit Downloader is a Download Manager for Windows with special focus on downloading content from... Created by Innoshock
http://www.welivesecurity.com/2013/08/21/orbital-decay-the-dark-side-of-a-popular-file-downloading-tool/
I'm reading it now!
Not only it contains, as explicitly stated, the adware OpenCandy, but ESET says in this article that, in versions 4.1.1.14 and 4.1.1.15 released on December 2012, the file orbitdm.exe was added to Orbit Downloader: it downloads from Orbit servers a DLL library which gets a list of websites against which launch DDoS attacks!
Translated from IlSoftware.it
Lightweight, fast, & complete feature for a download manager ^^b