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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

P2PWorm.AX

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:P2PWorm.AX
Technical name:W32/P2PWorm.AX
Threat level:Medium
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It is designed to affect one or more specific companies. It uses stealth techniques to avoid being detected by the user. It spreads , via email, through P2P programs, via mapped drives, through shared network resources.
Affected platforms:

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

First detected on:May 11, 2009
Detection updated on:May 11, 2009
StatisticsNo

Brief Description 

    

P2PWorm.AX is a virus that spreads to other computers by copying its code to other files or programs.

 

P2PWorm.AX is designed to affect one or more specific companies.

 

It uses stealth techniques to avoid being detected by the user:

  • It uses techniques included in its code to hide itself while it is active.
  • It deletes the original file from which it was run once it is installed on the computer.
  • It modifies system permissions in order to hide itself.

 

P2PWorm.AX 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.
  • Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.
  • Peer-to-peer (P2P) file sharing programs: it makes copies of itself with enticing names in shared folders belonging to these programs. Other users of this type of networks then voluntarily download and run the infected files.
  • Computer networks (mapped drives): it creates copies of itself in mapped drives.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.

 

Visible Symptoms

 

P2PWorm.AX is easy to recognize, as it shows the following symptoms:

  • It changes the homepage of Internet Explorer.