Trojan.Nullpos

Trojan.Nullpos is a Trojan horse program that modifies the screen saver settings to display a message written in Japanese. It also moves all the desktop icons to the "My Document" folder. The Trojan spreads using the Winny file-sharing network.

Protection

• Initial Rapid Release version August 12, 2004
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version August 12, 2004
• Latest Daily Certified version December 8, 2008 revision 050
• Initial Weekly Certified release date August 18, 2004

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

• Wild Level: Low
• Number of Infections: 0 - 49
• Number of Sites: 0 - 2
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Low

Distribution

• Distribution Level: Low