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  3. W32.HLLW.Cassidy

W32.HLLW.Cassidy

Discovered:
February 12, 2003
Updated:
February 13, 2007 11:43:36 AM
Type:
Worm
Systems Affected:
Windows

The W32.HLLW.Cassidy worm attempts to spread using the KaZaA file-sharing network. Upon execution, the worm displays a message, titled "WinZip Self-Extractor."

W32.HLLW.Cassidy is written in the Microsoft C++ programming language and is compressed with XTPack. The size of this worm is about 200 KB after it is unpacked.

Antivirus Protection Dates

  • Initial Rapid Release version February 13, 2003
  • Latest Rapid Release version February 13, 2003
  • Initial Daily Certified version February 13, 2003
  • Latest Daily Certified version February 13, 2003
  • Initial Weekly Certified release date February 19, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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2016 Internet Security Threat Report, Volume 21
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