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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Nixfed.A

 
Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Nixfed.A
Technical name:Bck/Nixfed.A
Threat level:Medium
Type:Backdoor
Effects:  

It allows other computers to be remotely controlled. For example, it can log the keystrokes, capture screenshots, turn off the computer, control the network traffic, etc. It does not spread automatically by its own means.

Affected platforms:

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

First detected on:Oct. 28, 2006
Detection updated on:Oct. 28, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Nixfed.A is a backdoor that allows other computers to be remotely controlled. Following a client-server architecture, the computer where it is installed acts as client, while the computers that are controlled act as servers.

When Nixfed.A is installed, it allows the following actions to be carried out on the computers that are under control:

  • Log the keystrokes typed by the user.
  • Capture screenshots.
  • Turn off the computer.
  • Transfer files.

Additionally, Nixfed.A has a functionality, called joiner, which allows a malicious file to be added in a stealth way to a normal file, such as a text file.

This way, if a user receives a file like this and then runs it, not only the normal file (text file) is run but also the malicious one (in this case, the server component) without the user's awareness.

Nixfed.A does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.

 

Visible Symptoms 

    

Nixfed.A is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.

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