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  3. X97M.Laroux.KU


Risk Level 1: Very Low

October 2, 1999
February 13, 2007 12:40:40 PM
Also Known As:
X97M/Majo.gen, XM/Majoduck.A
Virus, Macro

X97M.Laroux.KU is a virus that infects Microsoft Excel worksheets. It contains a short comment in the virus source code:

Macro Majoduck_SK_1 ,Made in Slovakia

This virus may execute damaging payloads, depending on the selection of a random number by the virus.

This definition was modified on October 29, 2001, to better handle detection of this virus or variants of the code.

Antivirus Protection Dates

  • Initial Rapid Release version October 8, 1999
  • Latest Rapid Release version October 8, 1999
  • Initial Daily Certified version October 8, 1999
  • Latest Daily Certified version October 8, 1999
  • Initial Weekly Certified release date pending
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


  • 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: Patrick Nolan

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