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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Lineage.KJR

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Lineage.KJR
Technical name:W32/Lineage.KJR
Threat level:Medium
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It searches for and steals passwords saved for certain Windows services. It uses stealth techniques to avoid being detected by the user. It does not spread automatically using its own means.
Affected platforms:

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

First detected on:Jan. 7, 2009
Detection updated on:Oct. 1, 2009
StatisticsNo

Brief Description 

    

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

 

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

 

Lineage.KJR prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).

 

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

  • It terminates processes corresponding to several security tools, such as antivirus programs and firewalls, to prevent detection.
  • It injects itself in running processes.
  • It deletes the original file from which it was run once it is installed on the computer.

 

Lineage.KJR 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.
  • 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.