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Welcome to the Virus Encyclopedia of Panda Security.

WinVNC.A

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

It is designed to obtain information from the affected computer and to be able to control it remotely. It reaches the computer passing itself off as a PowerPoint presentation about the swine flu in Spanish.

Affected platforms:

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

First detected on:Sept. 9, 2009
Detection updated on:Sept. 15, 2009
StatisticsNo

Brief Description 

    

WinVNC.A is a backdoor designed to obtain information from the affected computer, like the computername.

WinVNC.A reaches the computer passing itself off as a PowerPoint presentation about the swine flu in Spanish. However, it does not spread automatically using its own means, as it needs an attacking user's intervention, who could have distributed it via email.

Visible Symptoms 

    

WinVNC.A is easy to recognize, as it shows the following symptoms:

  • It reaches the computer in a file with the icon belonging to a PowerPoint document in order to pass itself off as an inoffensive file:

  • When it is run, a presentation which contains several slideshows in Spanish about the swine flu are displayed. The following image belongs to one of these slideshows:

  • If you want to know how WinVNC.A infects users and view the presentation it displays, click here.
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