Skyperise, also known as Skyper and Chaotsky, is a worm that spreads using the popular Skype communication program. The parasite propagates by sending messages containing malicious links to all user contacts. Once the user clicks on such a link, Skyperise gets downloaded and installed to the system. It searches for the Skype installation. If the program is not installed, it displays a message with the text "Error! I could not find Skype!". The worm does not carry any destructive payload.