I-Worm.Heyya

Worm Heyya usually spreads in the Internet by e-mail. It also can distribute itself in IRC channels, infected archives and Visual Basic scripts. It places some files on a hard disk and installs itself to the computer. Then it starts its spreading routine. It also can damage some computer files, because has lots of bugs and is unstable on some infected computers. The worm can update itself via the Internet: it changes the default start page of Microsoft Explorer web browser and downloads updates from it.