- May 31, 2006
- February 13, 2007 12:55:59 PM
W32.Lecna.A is a worm that spreads by exploiting the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011
). The worm opens a back door, downloads remote files, and uses a rootkit to hide its presence on the compromised computer.
Antivirus Protection Dates
Initial Rapid Release version May 31, 2006
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version May 31, 2006
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date May 31, 2006
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Costin Ionescu