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  3. SB.Badbunny


Risk Level 1: Very Low

May 22, 2007
May 24, 2007 3:51:38 AM
Also Known As:
SB/BadBunny-A [Sophos], StarOffice/BadBunny [McAfee], VBS_BADBUN.A [Trend]
Systems Affected:
Linux, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
SB.Badbunny is a worm that attempts to spread through IRC and drops the JS.Badbunny, Perl.Badbunny, and Ruby.Badbunny viruses.

Antivirus Protection Dates

  • Initial Rapid Release version May 23, 2007
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version May 23, 2007
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date May 23, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy


  • Damage Level: Low
  • Payload: Spread through IRC and drops other malware on the compromised computer.


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Stuart Smith

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