W32.Navidad.16896

Risk Level 1: Very Low

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Discovered:: November 29, 2000
Updated:: February 13, 2007 11:59:59 AM
Also Known As:: Navidad.E
Type:: Worm

W32.Navidad.16896 is a mass-mailing worm program that is very similar to W32.Navidad. The worm uses Microsoft Outlook to spread, using MAPI to reply to all Inbox messages that contain a single attachment.

The worm utilizes the existing email subject line and body, and attaches itself as Emanuel.exe.

Antivirus Protection Dates

Initial Rapid Release version November 29, 2000
Latest Rapid Release version March 3, 2008 revision 035
Initial Daily Certified version November 29, 2000
Latest Daily Certified version March 3, 2008 revision 037
Initial Weekly Certified release date pending

Click 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: 3 - 9
Geographical Distribution: Low
Threat Containment: Moderate
Removal: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Andre Post

Technical Details

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Internet Security Threat Report, Volume 16