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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Agent.NRA

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Agent.NRA
Technical name:Bck/Agent.NRA
Threat level:Medium
Type:Backdoor
Effects:   It allows to gain remote access to the affected computer. It sends the information it has captured to a remote user. It spreads , via mapped drives, by infecting files that are then distributed.
Affected platforms:

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

First detected on:May 16, 2010
Detection updated on:May 16, 2010
StatisticsNo

Brief Description 

    

Agent.NRA is a backdoor that allows hackers to gain remote access to the affected computer in order to carry out actions that compromise user confidentiality and impede the tasks performed on the computer.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: .

It sends the gathered information to a remote user by any available means: email, FTP, etc.

 

Agent.NRA uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Computer networks (mapped drives): it creates copies of itself in mapped drives.
  • File infection: it infects different types of files, which are then distributed through any of the usual means: floppy disks, email messages with attachments, Internet download, files transferred via FTP, IRC channels, P2P file sharing networks, etc.