Backdoor.Naninf.A

Backdoor.Naninf.A is a Trojan horse that allows a remote attacker to have unauthorized access to the compromised computer through IRC channels.

Analysis revealed that Backdoor.Naninf.A and Backdoor.Ryknos are similar in construction with the major difference appearing to be the utilization of the SecurityRisk.First4DRM security risk by Backdoor.Ryknos.

Note: Virus defintions dated November 17th or earlier may detect this threat as W32.Looksky.B.

Protection

• Initial Rapid Release version October 26, 2005
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version October 26, 2005
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date October 26, 2005

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: Medium

Distribution

• Distribution Level: Low