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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

VBS.Oror

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:VBS.Oror
Technical name:VBS/Oror
Threat level:Low
Type:Trojan
Effects:  It deletes files belonging to certain antivirus programs and forwards itself to the senders of all messages received.

Affected platforms:

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

First detected on:Dec. 23, 2002
Detection updated on:Dec. 23, 2002
StatisticsNo
Family:OROR

Brief Description 

    

VBS.Oror is a worm that deletes files belonging to certain antivirus programs. It uses several different means to spread: e-mail, computer networks and IRC chat.

It sends itself out to the senders of all messages received on the affected system. It is very difficult to identify the message that carries VBS.Oror, as its subject and content are variable.

This is a dangerous worm, as it deletes files that belong to some antivirus programs. It can also delete shortcuts to those programs, in the Start - Programs menu.

Visible Symptoms 

    

VBS.Oror is difficult to identify, as it reaches systems in an e-mail message with variable characteristics.

For further information on the characteristics of the e-mail message that carries VBS.Oror, check out the Means of transmission section.

After VBS.Oror has carried out its actions, it displays the following error message on the screen:

   

Another clear symptom of this worm's presence on the system is the fact that shortcuts of affected programs will disappear from the Start - Programs menu.