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.
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
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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.