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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Assilem.C

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Assilem.C
Technical name:W97M/Assilem.C
Threat level:Low
Type:Virus
Effects:  It modifies the content of Word documents when the minute value matches the day value on the system clock. It disables the Word macro antivirus protection.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

Detection updated on:Nov. 13, 2002
StatisticsNo
Family:VALENTIN

Brief Description 

    

Assilem.C is a macro virus whose destructive payload affects the Word documents that are open. The virus triggers its payload when the minute value matches the day value on the system clock. Then, the virus modifies the original content of the active document by inserting a text in English.

Like most macro viruses, it reaches computers in an infected Word 97 document, with a DOC extension. This document then infects the global template (NORMAL.DOT file) and spreads its infection to all the Word documents generated with it.

It disables the Word 97 macro antivirus protection, preventing the user from disabling the macros when opening a document.

Visible Symptoms 

    

Assilem.C does not give any indications that it has reached a computer.

However, it inserts the following text in the active document when the minute value matches the day value on the system clock:

Twenty-two points, plus triple-word-score, plus fifty points for using all my letters.

Game's over. I'm outta here.