Threat Description



Aliases: Needy.I, Java/Needy.I
Category: Malware
Platform: W32


Needy.I is a Java applet based trojan that changes the Internet Explorer start page, changes search settings to ones contained in the trojan and writes shortcuts to pornographic services to users Internet Explorer link favorites.


Automatic action

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


Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.

Technical Details

The Needy.I 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 modifies the Internet Explorer start page and search services to web search page, and writes shortcuts to pornographic services to users Internet Explorer Favorites directory.


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

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

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


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More