Threat Description

Arbeit

Details

Aliases: Arbeit
Category: Malware
Type: Virus
Platform: W97M

Summary



W97M/Arbeit is a Word 97 macro virus with a destructive payload.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details




Variant:Arbeit.A

When an infected document is opened, W97M/Arbeit.A disables the built-in macro virus protection, the status bar and the following menus: "Tools/Macros/Macro" and "Tools/Macros/Visual Basic Editor". It also modifies the user name and initials to:

  User name:  NoWork Inc.
    Initials:   NWI

Then the virus creates a temporary file "C:\mlpog.sys" that it uses to infect the global template and all documents closed after that.

The virus activates its payload every day after October 15th, when it shows a message box with the following text:

  The technology will be kill humaneness

After the message box has been shown, it deletes all files from the root directory of the "C:" drive.





Description Created: Analysis: Sami Rautiainen, F-Secure


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