1. Symantec/
  2. Security Response/
  3. W32.HLLW.Merkur.E@mm


Risk Level 1: Very Low

June 28, 2003
February 13, 2007 12:03:05 PM
Also Known As:
I-Worm.Merkur.d [KAV]
Systems Affected:

W32.HLLW.Merkur.E@mm is a mass-mailing worm that uses Microsoft Outlook to send itself to all the contacts in the Outlook Address Book. It also attempts to spread through the KaZaA, KaZaA Lite, Bearshare, and eDonkey file-sharing networks, as well as through mIRC.

The email message has the following characteristics:

Subject: (one of the following)
Free Virus Remover.
Windows Update (Build: win1.19001281)
Email Virus Remover.

Install/Update: Please run the attatchment to Install/Update your software, The program will scan for any Infected Files then continue to install/update. Regards, Bill Hanes - Nakitomi Corp.

Attachment: AVUpdate.exe

This worm is written in the Microsoft Visual Basic programming language and is compressed with UPX.

Antivirus Protection Dates

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

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