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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Zapchast.EX

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Zapchast.EX
Technical name:Bck/Zapchast.EX
Threat level:Medium
Type:Backdoor
Effects:  

It connects to IRC channels and waits for remote commands ordered by an attacking user. It reaches the computer in an email message which seems to contain a Christmas card attached.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Dec. 21, 2009
Detection updated on:May 19, 2010
StatisticsNo

Brief Description 

    

Zapchast.EX is a backdoor which is designed to connect to IRC channels and wait for instructions that allow an attacking user to access and control the computer remotely.

Zapchast.EX reaches the computer in an email message about which seems to contain a Christmas card attached.

Visible Symptoms 

    

Zapchast.EX is easy to recognize, as it reaches the computer in an email message which seems to contain a Christmas card attached.

In order to view the card, users are required to install a new Flash Player version (FLASHPLAYER2009.EXE). Once this file is run, the Picture viewer is opened and displays a message like the following, informing users that the download has finished, but actually no card is displayed:

As can be seen in the picture, its title is IDIOT.JPG.