Malware
Pykspa
According to Akamai, Pykspa is a worm that spreads via Skype by sending messages to other Skype users with download links.
Pykspa is a Windows malware family.
Background
Akamai describes Pykspa as a worm that propagates over Skype by messaging other Skype users with download links. After it is downloaded, Pykspa harvests personal information and reaches its command and control servers (C2) through a domain generation algorithm (DGA).
Source: Malpedia (Fraunhofer FKIE).