W97M.Hopel.A

Risk Level 1: Very Low

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Discovered:: February 5, 2003
Updated:: February 13, 2007 11:55:26 AM
Type:: Macro
Systems Affected:: Macintosh, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W97M.Hopel.A is a macro virus that infects Microsoft Word documents when you click Open, Close, Save, New, or Exit. This virus has many different payloads that it can execute on Exit.

If an infected document is double-clicked, the virus saves the infected document as C:\Windows\Command\Nt.txt.

W97M.Hopel.A also overwrites the Autoexec.bat file with a non-ASCII character.

Antivirus Protection Dates

Initial Rapid Release version February 6, 2003
Latest Rapid Release version February 6, 2003
Initial Daily Certified version February 6, 2003
Latest Daily Certified version February 6, 2003
Initial Weekly Certified release date February 12, 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: Douglas Knowles

Technical Details

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Internet Security Threat Report, Volume 16