Virus Profile: W97M/Twomag

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 7/22/2002
Date Added: 3/18/2003
Origin: Unknown
Length: N/A
Type: Virus
Subtype: Macro
DAT Required: 4072
Removal Instructions
   
 
 
   

Description

This is a virus detection. Viruses are programs that self-replicate recursively, meaning that infected systems spread the virus to other systems, which then propagate the virus further. While many viruses contain a destructive payload, it's quite common for viruses to do nothing more than spread from one system to another.

Indication of Infection

The above messages displayed on opening or closing a document.

Methods of Infection

Opening an infected document will directly infect the local Word environment and any document opened thereafter.
   

Virus Characteristics

This threat is detected as W97M/Generic and contains one module - MAGVirus2x14. On Opening the infected document, the virus will disable the macro warning protection. It will export its code to c:\mag.tmp and will then delete this file after use. This virus does not contain malicious payload.

If day is April 1st, the virus will display the following messages on opening and closing the infected file:

   
Use current engine and DAT files for detection and removal.

It is very common for macro viruses to disable options within Office applications for example in Word, the macro protection warning commonly is disabled. After cleaning macro viruses, ensure that your previously set options are again enabled.

AVERT Recommended Updates:

* Office 2000 updates

* Malformed Word Document Could Enable Macro to Run Automatically (Information/Patch)

   

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