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  3. X97M.Frost


Risk Level 1: Very Low

December 17, 2004
February 13, 2007 12:44:05 PM
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

X97M.Frost is a macro virus that infects Excel files and makes their contents invisible. The virus may also delete local files.

Antivirus Protection Dates

  • Initial Rapid Release version December 17, 2004
  • Latest Rapid Release version December 17, 2004
  • Initial Daily Certified version December 17, 2004
  • Latest Daily Certified version December 17, 2004
  • Initial Weekly Certified release date December 22, 2004
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: Masaki Suenaga

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