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


Risk Level 2: Low

March 1, 2004
February 13, 2007 12:18:17 PM
Also Known As:
Win32.Netsky.E [Computer Assoc, W32/Netsky.e@MM [McAfee], W32/Netsky-E [Sophos], WORM_NETSKY.E [Trend], I-Worm.Netsky.e [Kaspersky]
Systems Affected:

W32.Netsky.E is a mass-mailing worm that uses its own SMTP engine to send itself to the email addresses it finds when scanning hard drives and mapped drives. This worm also searches drives C through Y for folders that have names containing "Shar," and then copies itself to those folders.

The Subject, Body, and Attachment vary.

  • Virus definitions with the version number 60301p (extended version 03/01/2004 rev 16) and later are required to detect this variant.
  • LiveUpdate virus definitions with version 60301v (extended version 03/01/2004 rev 22) detect this variant.
  • This worm has an MD5 hash value of 0X3D23EC8B55840B95EA75197CE9446B6D.

Antivirus Protection Dates

  • Initial Rapid Release version March 1, 2004
  • Latest Rapid Release version May 31, 2016 revision 036
  • Initial Daily Certified version March 1, 2004
  • Latest Daily Certified version June 1, 2016 revision 005
  • Initial Weekly Certified release date March 1, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yuhui Huang

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