Welcome to the Virus Encyclopedia of Panda Security.
Updater is a mass-mailing worm that spreads via e-mail. It does this by automatically sending itself to all the contacts in Outlook's Address Books.
Updater reaches computers inside a file with an .EXE extension attached to an e-mail message.
When the virus activates, it can copy itself to all the disk drives available (locals and mapped).
Clear indications that Updater has infected a computer are the following symptoms: