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.
This threat is detected as W97M/Generic. The virus contains one module - Kefko. It will disable the macro warning protection for Word and exports its code to c:\Kefko.sys. This file is not infected.The virus will change the Username to Dr.Virus. It will also add the following registry entry:
The following AntiVirus files will be deleted:
On the 19th of any month, the following message will be displayed:
Tools/Macro, Tools/Visual Basic Editor, Format/Style and File/Templates will display the following message:
Opening an infected document will directly infect the local Word environment and any document opened thereafter.
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:
* Malformed Word Document Could Enable Macro to Run Automatically (Information/Patch)