1. Symantec/
  2. Security Response/
  3. W32.Ahlem.A@mm


Risk Level 1: Very Low

May 19, 2003
February 13, 2007 12:01:31 PM
Also Known As:
W32/Melare@MM [McAfee]
Systems Affected:

W32.Ahlem.A@mm is a mass-mailing worm that is written in the Visual Basic (VB) language. The worm has been packed using the UPX run-time compression utility.

When the worm is executed, it attempts to email all the contacts in the Windows Address Book. The email will have the following characteristics:
Subject: Alert! SARS Is being Spread.
Attachment: a.exe

Antivirus Protection Dates

  • Initial Rapid Release version May 19, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version May 19, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date May 22, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Neal Hindocha

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2016 Internet Security Threat Report, Volume 21
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