Welcome to the Virus Encyclopedia of Panda Security.
It creates multiple copies of itself and modifies the Windows Registry.
Horo is a worm that reaches computers in an e-mail message with the subject Today's free horoscope and the attached file HOROSCOPE.SCR.
In addition, Horo creates multiple copies of itself in the Windows directory and modifies the Windows Registry. As a result, Horo significantly reduces the memory available on the hard disk and could prevent the affected computer from starting up correctly.
Once it has affected the computer, Horo sends itself out to all the contacts in Outlook Address Book.
Horo is easy to recognize, as it reaches the computer in an e-mail message with the following characteristics:
In addition, Horo creates a shortcut to the file HOROSCOPE.SCR In the Windows Desktop.
Sometimes it also displays the following message on screen:
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