Threat Description

Needy.L

Details

Aliases:Needy.L, Java/Needy.L
Category: Malware
Type:
Platform: W32

Summary



Needy trojan family consists of trojans thatare written in Java and use vulnerability in Microsoft Internet Explorer Java Runtime. Usually these trojans change Internet Explorer homepage and search settings and some variants also download executable trojans.

This variant Needy.L changes Internet Explorer start page and search settings to adult sites and downloads trojan executable.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



The Needy.L is activated when a web site containing the trojan is loaded with unpacthed Microsoft Internet Explorer browser. When the JAR file containing the trojan is executed it uses Microsoft Internet Explorer VerifierBug vulnerability to get full privileges by escaping the Java security, and execute its code.



Detection


Detection in F-Secure Anti-Virus was published on June 29th, 2004 in update:
Detection Type: PC
Database: 2004-06-29_02



Description Created: Jarno Niemela, June 29th, 2004;


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