Threat Description

Ozwer

Details

Aliases: Ozwer, ZMK.P
Category: Malware
Type:
Platform: W32

Summary


This is a Word 97 macro virus that infects when Word is started and when an infected document is opened or closed.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.



Technical Details



Variant:Ozwer.A

The virus hooks several menus like: Format/Font, File/Print, File/Save As, File/Save, File/Close, File/New, Edit/Copy, Edit/Paste, Tools/Macros/Macro, File/Exit and Tools/Options. It also replace Tools/Macro dialogue box with it's own and Tools/Macro/Visual Basic Editor with the following Message box:

Depending on the random number, the virus moves words in the active document to the left or to the right, when the has been running for 20 minutes.

In Spanish version of Word 97 it will show it's messages in Spanish.





Technical Details:Katrin Tocheva and Sami Rautiainen, F-Secure


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