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


Risk Level 2: Low

June 3, 2002
February 13, 2007 11:39:08 AM
Also Known As:

W32.Frethem.A@mm is an Internet worm which uses its own SMTP engine to spread. It obtains email addresses from the Microsoft Windows Address Book and from .dbx files. It retrieves the infected computer user's SMTP server information from the registry. It then sends itself to all the email addresses that it finds in a message with the following characteristics:
Subject: Re: Do your Windows looks like Windows XP? I have found very nice desktop themes!
Attachment: www.freedesktopthemes[plus a random number].[a random extension chosen from com, .exe, .bat, or .cmd]

The size of worm is about 31 KB. It is packed with both PE-Pack and UPX.

Antivirus Protection Dates

  • Initial Rapid Release version June 4, 2002
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version June 4, 2002
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date June 5, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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