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


Risk Level 2: Low

December 16, 2003
February 13, 2007 12:15:18 PM
Systems Affected:

W32.HLLW.Cayam@mm is a mass-mailing worm that uses Microsoft Outlook to send itself to all the contacts in the Outlook Address Book.

The email has the following characteristics:

Subject: Verify your eBay account information
Attachment: eBayVerify.exe

W32.HLLW.Cayam@mm is also a peer-to-peer worm that shares itself using the eMule and KaZaA file-sharing networks.

This threat is written in Microsoft Visual Basic (VB) and is UPX-packed.

Antivirus Protection Dates

  • Initial Rapid Release version December 17, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 17, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date December 17, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Scott Gettis

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