Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
It does not spread automatically using its own means.
|First detected on:||Jan. 14, 2003|
|Detection updated on:||Jan. 14, 2003|
Zaca.O is a worm that spreads by copying itself, without infecting other files.
Zaca.O does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.