1. Symantec/
  2. Security Response/
  3. W32.BleBla.J.Worm


Risk Level 1: Very Low

August 1, 2002
February 13, 2007 11:57:56 AM
Systems Affected:

W32.Blebla.J.Worm is a variant of W32.Blebla.B.Worm. W32.Blebla.J.Worm arrives as an email message that has an HTML body and two attachments: Melh32.exe and Melhw32.chm. When you read the message, the two attachments are automatically saved and launched. The worm then attempts to send itself to all contacts in the Microsoft Outlook Address Book and post messages to a newsgroup. The worm also alters registry keys so that it runs when certain types of files are viewed or executed.

Antivirus Protection Dates

  • Initial Rapid Release version August 2, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version August 2, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date August 7, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Gor Nazaryan

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2016 Internet Security Threat Report, Volume 21
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