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


Risk Level 2: Low

July 12, 2002
February 13, 2007 11:39:37 AM
Also Known As:
I-Worm.Frethem.k [AVP], W32/Frethem.k@MM [McAfee], WORM_FRETHEM.J [Trend], W32/Frethem-Fam [Sophos], W32.Frethem.I@mm
Systems Affected:
CVE References:

NOTE: Virus definitions dated prior to July 17, 2002 detect this as W32.Frethem.J@mm.

W32.Frethem.K@mm is a worm, and is a variant of W32.Frethem.B@mm. It uses its own SMTP engine to send itself to email addresses that it finds in the Microsoft Windows Address Book and in .dbx, .wab, .mbx, .eml, and .mdb files. The email message arrives with the following characteristics:

Subject: Re: Your password!
Attachments: Decrypt-password.exe and Password.txt

Removal tool
Symantec has provided a tool to remove infections of W32.Frethem@mm. Click here to obtain the tool.
This is the easiest way to remove these threats and should be tried first.

Antivirus Protection Dates

  • Initial Rapid Release version July 12, 2002
  • Latest Rapid Release version October 16, 2017 revision 035
  • Initial Daily Certified version July 12, 2002
  • Latest Daily Certified version October 17, 2017 revision 002
  • Initial Weekly Certified release date July 17, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Douglas Knowles

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