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  3. W32.Netsky.L@mm

W32.Netsky.L@mm

Risk Level 2: Low

Discovered:
March 9, 2004
Updated:
February 13, 2007 12:18:51 PM
Type:
Worm
Systems Affected:
Windows

W32.Netsky.L@mm 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.

The "sender" of the email is spoofed, and its subject, message body, and attachment vary. The attachment has a .pif extension.

This threat is compressed with UPX.

Notes:
  • Symantec Consumer products that support the Worm Blocking functionality automatically detect this threat as it attempts to spread.
  • The worm has an MD5 hash value of 0x7A84376F0D8361A3B7EB6BCC6815FE34.


Antivirus Protection Dates

  • Initial Rapid Release version March 10, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version March 10, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date March 10, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kevin Ha

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2016 Internet Security Threat Report, Volume 21
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