Virus Profile: W97M/Ephen

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/30/1999
Date Added: 10/6/1999
Origin: N/A
Length: N/A
Type: Virus
Subtype: Macro
DAT Required: 4032
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

Macro warning if opening infected document, increase in size to global template, confirmation of changes to NORMAL.DOT. Message as described above when opening documents.

Methods of Infection

Opening infected documents will infect global template normal.dot.

Aliases

Ephen, W97M/Ephen
   

Virus Family Statistics (over the past 30 days)

Family Statistics information
Virus Name Infected Files Scanned Files % Infected Computers
W97M/Ephen 0 0 0.00

Virus Characteristics

This is a virus for Word 97 documents and templates. It will disable the macro warning feature of Word 97. This virus consists of a module called "BAGABS". This short macro virus will infect Word's normal.dot using an "autoopen" routine, or when opening infected documents.

The following described message boxes requires Microsoft Assistant to be installed. If the date is July 5th, a message is displayed using the MS Assistant within Word97 when opening infected documents:

________________________________
ephen
Praise the Lord ! Now and forever . . .
Thank's for Your blessing in all my life . . .
________________________________
 
________________________________
bagabs manguni
Minahasa:
  Si Tou Timou Tumou Tou...
bukang
       Si Tou Timou Tumongko' Tou...
_______________________________________    

When closing infected documents on July 5th, these message boxes are displayed using the MS Assistant:  

________________________________
ephen
Thank's 4 your attention . . .
. . . In My Day!
________________________________  

________________________________
bagabs manguni
Anti Potas
    piara bae-bae tu anjing . . .
_______________________________________

   
All Users :
Script,Batch,Macro and non memory-resident:
Use current engine and DAT files for detection and removal.

PE,Trojan,Internet Worm and memory resident :
Use specified engine and DAT files for detection. To remove, boot to MS-DOS mode or use a boot diskette and use the command line scanner:

SCANPM /ADL /CLEAN /ALL

Additional Windows ME/XP removal considerations


Users should not trust file icons, particularly when receiving files from others via P2P clients, IRC, email or other mediums where users can share files.

AVERT Recommended Updates :

* Office2000 Updates

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

* scriptlet.typelib/Eyedog vulnerability patch

* Outlook as an email attachment security update

* Exchange 5.5 post SP3 Information Store Patch 5.5.2652.42 - this patch corrects detection issues with GroupShield

For a list of attachments blocked by the Outlook patch and a general FAQ, visit this link .
Additionally, Network Administrators can configure this update using an available tool - visit this link for more information .

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.

   

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