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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Opex

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Opex
Technical name:W32/P2P.Opex
Threat level:Low
Type:Worm
Effects:  It spreads rapidly through the P2P (peer-to-peer) file-sharing applications: KaZaA, eDonkey and Morpheus.
Affected platforms:

Windows XP/2000/NT/ME/98/95

First detected on:April 23, 2003
Detection updated on:March 16, 2005
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Opex is a worm that spreads through the P2P (peer-to-peer) file-sharing applications: KaZaA, eDonkey and Morpheus.

Opex creates a large number of copies of itself in the default shared directories of these programs and in a random folder in the My Documents directory. The names of these files refer to IT applications, games, screensavers etc.  By doing this, other users will download copies of the virus to their computer, thinking that they are downloading utilities.

For a list of the files created by Opex, click here.

Visible Symptoms 

    

Opex is difficult to recognize, as it does not display any warnings or messages that indicate that it has infected a computer.