Discovered: July 14, 2002
Updated: February 13, 2007 11:40:02 AM
Also Known As: Win32.HLLP.Lassa.40960[AVP], W32/Lassa.a[McAfee], Win32.Lassie.A[CA], W32/Lassa-A[Sophos]
Type: Virus
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.HLLP.Lassa is written in Visual Basic. It prepends itself to host files and appends randomly chosen bytes to the end of the host files. It may also overwrite the host file with the pure viral code.
Protection
-
Initial Rapid Release version July 15, 2002
-
Latest Rapid Release version August 20, 2008 revision 017
-
Initial Daily Certified version July 15, 2002
-
Latest Daily Certified version January 20, 2009 revision 048
-
Initial Weekly Certified release date July 17, 2002
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu
Technorati
Digg
Delicious
Reddit
StumbleUpon
Yahoo Buzz
Twitter
Facebook
Newsvine
