Virus Profile: WM/ANDRY.A

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 4/1/1997
Date Added: 4/15/1997
Origin: Unknown
Length: Not Applicable
Type: Virus
Subtype: Macro
DAT Required: 4002
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

On an infected system the virus hides the FILE|TEMPLATE ; TOOLS|MACRO ; TOOLS|CUSTOMIZE ; VIEW|TOOLBARS and FORMAT|STYLE functionality. Warning: It is important not to use these commands, as you will execute the viral code.

When opening a document there is a 1-in-30 chance that it will delete all text and insert
Hello..
Andry Christian
WordMacro Virus
Is here..!!
in various colors in the current document.

On March 1st it will scroll the text 'I'M ANDRY CHRISTIAN, IF YOU THOUGHT, YOUR DOCUMENTS OR TEMPLATES WERE SAFE, YOU WERE WRONG ! *' in the Statusbar of MS Word. Afterwards a dialog will prompt the user 'DO YOU SUPPORT MY VIRUS?'. You need to answer YES, otherwise it will change AUTOEXEC.BAT and CONFIG.SYS to format the C: partition. On the same day it also sets the FILESAVEAS password to 'Andry Christian'. If you are affected please refer to 'Additional Information'.

Methods of Infection

General Macro Virus Information
   

Virus Characteristics

This virus propagates by infecting Word Documents in Microsoft WORD Versions 6.x / 7.x on Windows and Macintosh platforms. The virus consists of these macros:

AUTOOPEN

in an infected document. The virus becomes active by using AutoMacros. All macros are encrypted using the standard Word execute-only feature. Meaning that the user is unable to edit or view the macro code.

   
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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