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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.


Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Opaserv.H
Technical name:W32/Opaserv.H
Threat level:Low
Effects:  It spreads across shared networked drives and downloads updates of itself.

Affected platforms:

Windows ME/98/95

Detection updated on:May 3, 2007
Proactive protection:
Yes, using TruPrevent Technologies
Repair utility:Panda QuickRemover

Brief Description 


Opaserv.H is a worm that spreads through shared network drives and exploits a vulnerability in Windows Me/98/95. Its main action consists of connecting to the page in order to download updates.

Visible Symptoms 


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