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Needy.H


Aliases:


Needy.H
Java/Needy.H

Malware

W32

Summary

Needy.H is a Java applet based trojan that downloads and executes a trojan downloader. Needy activates when user views a web page or HTML E-mail that contains a reference to the trojan file.



Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details

The Needy.H 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.

When executed the trojan downloads an executable from web server saves it to users home directory and executes it.



Detection

Detection in F-Secure Anti-Virus was published on April 2nd, 2004 in update:

Detection Type: PC
Database: 2004-04-02_02



Description Created: Jarno Niemela, April 2nd, 2004;



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