Summary

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.

Disinfection

Removal Instructions

http://support.f-secure.com/enu/home/virusproblem/howtoclean/removetrojan.shtml

Additional 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

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

[FSAV_Database_Version]
Version=2004-04-02_02

Write-up: Jarno Niemela, April 2nd, 2004;