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


Risk Level 2: Low

May 3, 2004
February 13, 2007 12:22:27 PM
Also Known As:
WORM_NETSKY.AC [Trend], W32/Netsky-AC [Sophos], Win32.Netsky.AC [Computer Asso, I-Worm.NetSky.ad [Kaspersky]
Systems Affected:

W32.Netsky.AC@mm is a worm that scans for the email addresses on all non-CD-ROM drives on an infected computer. The worm then uses its own SMTP engine to send itself to the email addresses that it finds.

The From, Body, and attachment of the email vary. The attachment has a .cpl extension.

This threat is compressed with PECompact.

Antivirus Protection Dates

  • Initial Rapid Release version May 3, 2004
  • Latest Rapid Release version January 19, 2018 revision 022
  • Initial Daily Certified version May 3, 2004
  • Latest Daily Certified version January 20, 2018 revision 002
  • Initial Weekly Certified release date May 3, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Robert X Wang

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube