X97M.Sufe

Risk Level 1: Very Low

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Discovered:: January 10, 2001
Updated:: February 13, 2007 12:46:51 PM
Type:: Macro
Systems Affected:: Macintosh, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

X97M.Sufe is a macro virus that infects Microsoft Excel spreadsheets. It replicates by exporting the entire viral module to a file named C:\Ms_io.sys, and then importing it to new spreadsheets. This macro virus has a payload that can be executed twice each month.

Antivirus Protection Dates

Initial Rapid Release version January 10, 2001
Latest Rapid Release version January 10, 2001
Initial Daily Certified version January 10, 2001
Latest Daily Certified version January 10, 2001
Initial Weekly Certified release date pending

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: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Neal Hindocha

Technical Details

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Internet Security Threat Report, Volume 16