Malware
Bedep
Bedep has been mostly observed in ad-fraud campaigns, although it can also generally load modules for different tasks.
Bedep is a Windows malware family.
Background
Bedep is most commonly seen in ad-fraud operations, but it is also a general-purpose loader capable of pulling in modules for various other tasks. Distribution was handled by the Angler Exploit Kit.
Source: Malpedia (Fraunhofer FKIE).