W97M.Lakko

Risk Level 1: Very Low

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Discovered:: January 23, 2003
Updated:: February 13, 2007 11:46:10 AM
Type:: Macro
Systems Affected:: Macintosh, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W97M.Lakko is a macro virus that spreads from the Microsoft Word Normal.dot template to Microsoft Word documents. If the month is March, June, September, or December, the virus creates the C:\Windows.sys file and logs the date and time of the infection.

Antivirus Protection Dates

Initial Rapid Release version January 23, 2003
Latest Rapid Release version January 23, 2003
Initial Daily Certified version January 23, 2003
Latest Daily Certified version January 23, 2003
Initial Weekly Certified release date January 29, 2003

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

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

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Kaoru Hayashi

Technical Details

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Internet Security Threat Report, Volume 16