W32.Horo@mm

Risk Level 2: Low

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Discovered:: January 14, 2003
Updated:: February 13, 2007 11:58:23 AM
Also Known As:: W32/Horo@MM [McAfee], WORM_WCONN.B [Trend]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Horo@mm is a mass-mailing worm that uses Microsoft Outlook to spread. This worm is written in Microsoft Visual Basic, version 6, and is packed with FSG. The email message has the following characteristics:

Subject: Today's free horoscope

Message: Open this screen saver file to see today's horoscope. No registrions. No fees. And No ugly lady in front of you! ABSOLUTE FREE!!!!!!!!!!!!!!!!

Attachment: Horoscope.scr

Antivirus Protection Dates

Initial Rapid Release version January 14, 2003
Latest Rapid Release version January 14, 2003
Initial Daily Certified version January 14, 2003
Latest Daily Certified version January 14, 2003
Initial Weekly Certified release date January 15, 2003

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: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: High

Writeup By: Kaoru Hayashi

Technical Details

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Internet Security Threat Report, Volume 16