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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.


Threat LevelLow threatDamageHighDistributionNot widespread
Common name:JLR
Technical name:W32/JLR.worm
Threat level:Medium
Type:Hacking Tool
Effects:  [AUTO]
Affected platforms:

Windows XP

First detected on:June 21, 2003
Detection updated on:June 30, 2009
Country of origin:SPAIN

Brief Description 


JLR is a worm that ends several processes belonging to security programs, reducing the security level of the computer. This would leave the computer vulnerable against possible threats.

JLR spreads via email and instant messaging programs.