You Android folks might want to keep a close eye out for this one:
Very unusual approach to infecting your home PC:
Application masquerading as a cleanup utility on your Android writes files to your SD card, which activate once jacked in via USB to your home machine. Once on your home PC, it records audio files via your microphone and uploads the files as well as a host of other things to a remote FTP server.
Be careful!
Mobile attacks! - Securelist