W32.Deltad.A@mm

Risk Level 2: Low

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Discovered:: September 17, 2002
Updated:: February 13, 2007 11:51:49 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Deltad.A@mm is a mass-mailing worm that is written in a high-level language. The actual mass-mailing is performed by a VBS script that is inserted on the system. The e-mail message has the following characteristics:
Subject: SAP UPDATE
Attachment: WWW.DGSAP.DELTADG.COM.EXE

W32.Deltad.A@mm attempts to open the Admin$ share.

The executable part of this worm is detected as W32.Deltad.A@mm, and the VBS script is detect as VBS.Deltad.A@mm.

NOTE: Definitions dated before September 18, 2002, detect the VBS script as BloodHound.VBS.Worm.

Antivirus Protection Dates

Initial Rapid Release version September 18, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version September 18, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date September 18, 2002

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: Medium

Distribution

Distribution Level: High

Writeup By: Neal Hindocha

Technical Details

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Internet Security Threat Report, Volume 16