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Virus Profile: VBS/Horty.b@MM

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/10/2002
Date Added: 5/10/2002
Origin: Unknown
Length: 6,952
Type: Virus
Subtype: VbScript
DAT Required: 4203
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

The presence of the following files:

  • ANGELINA-JOLIE-MEGAF***.TXT.vbs
  • kernelDLL.vbs
  • PING-PONG.TXT.vbs
  • BLOW***.TXT.vbs
  • DANCE-WITH-THE-DEVIL.TXT.vbs
  • MATRIX2-THEME.TXT.vbs
  • SPIDER-MAN-THE-MOVIE.TXT.vbs
  • THE-GIFT.TXT.vbs
  • x-MEN.TXT.vbs
  • IRON-MAIDEN-ARE-DEAD.TXT.vbs
  • METALLICA-NEW-ALBUM.TXT.vbs
  • THE-MUMMY-RETURNS.TXT.vbs
And the following files to the Windows System Directory
  • Winkernel.vbs
  • LORD-OF-THE-RINGS-3.TXT.vbs
  • BRAD-PITT-IS-GAY.TXT.vbs
  • F***-THIS-CORPSE.TXT.vbs
  • AAAARRRGGGHH.TXT.vbs
  • THIS-IS-MY-LAST-HOUR.TXT.vbs
  • BLACK-SABBATH.TXT.vbs
  • LARA-CROFT-BLOW***.TXT.vbs
  • MICROSOFT-BEEN-HACKED.TXT.vbs
  • WIN98-SUPERCRASH.TXT.vbs
  • ATTENTION!!!.TXT.vbs

The following infected files can be created on A: or B: drive:

  • WAKE-UP-DEAD-MAN.TXT.vbs
  • LORD-OF-THE-RINGS-2.TXT.vbs
  • READY-TO-DIE.TXT.vbs
  • F***.TILL.DEATH.TXT.vbs
  • AFRICA-GAY.TXT.vbs
  • YOU-HAVE-AIDS.TXT.vbs
  • NOTHING-ELSE-MATTERS.TXT.vbs
  • KYLIE-MINOGUE.TXT.vbs
  • BILL-GATES-SMASHES-ALL.TXT.vbs
  • SH**-HAPPENS.TXT.vbs

Methods of Infection

Executing one of the above files.

   

Virus Characteristics

This threat is detected as VBS/Horty@MM. The virus may arrive as an email attachment ANGELINA-JOLIE-MEGAF***.TXT.vbs and will send an email using Outlook in the following format:

  • Subject: Check this!
  • Body: Have you ever seen Angelina Jolie in extremely hot scenes? You cannot imagine the pleasure,unless you check the attachment. "I'll get in touch with you again soon...
  • Attachment: ANGELINA-JOLIE-MEGAF***.TXT.vbs

If the virus was executed from the A:\ or B:\ drive, it will copy itself to c:\TARANTINO.TXT.vbs. It then copies the following infected files to the Windows Directory:

  • ANGELINA-JOLIE-MEGAF***.TXT.vbs
  • kernelDLL.vbs
  • PING-PONG.TXT.vbs
  • BLOW***.TXT.vbs
  • DANCE-WITH-THE-DEVIL.TXT.vbs
  • MATRIX2-THEME.TXT.vbs
  • SPIDER-MAN-THE-MOVIE.TXT.vbs
  • THE-GIFT.TXT.vbs
  • x-MEN.TXT.vbs
  • IRON-MAIDEN-ARE-DEAD.TXT.vbs
  • METALLICA-NEW-ALBUM.TXT.vbs
  • THE-MUMMY-RETURNS.TXT.vbs
And the following files to the Windows System Directory
  • Winkernel.vbs
  • LORD-OF-THE-RINGS-3.TXT.vbs
  • BRAD-PITT-IS-GAY.TXT.vbs
  • F***-THIS-CORPSE.TXT.vbs
  • AAAARRRGGGHH.TXT.vbs
  • THIS-IS-MY-LAST-HOUR.TXT.vbs
  • BLACK-SABBATH.TXT.vbs
  • LARA-CROFT-BLOW***.TXT.vbs
  • MICROSOFT-BEEN-HACKED.TXT.vbs
  • WIN98-SUPERCRASH.TXT.vbs
  • ATTENTION!!!.TXT.vbs

The following infected files can be created on A: or B: drive:

  • WAKE-UP-DEAD-MAN.TXT.vbs
  • LORD-OF-THE-RINGS-2.TXT.vbs
  • READY-TO-DIE.TXT.vbs
  • F***.TILL.DEATH.TXT.vbs
  • AFRICA-GAY.TXT.vbs
  • YOU-HAVE-AIDS.TXT.vbs
  • NOTHING-ELSE-MATTERS.TXT.vbs
  • KYLIE-MINOGUE.TXT.vbs
  • BILL-GATES-SMASHES-ALL.TXT.vbs
  • SH**-HAPPENS.TXT.vbs
The following registry key is added so that the virus will run on the next boot up of the system:

  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdated,"wscript.exe" kernelDLL.vbs
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdated,"wscript.exe" Winkernel.vbs

The virus will send email out in the above format. If the day is 16th of May, the virus will delete the Windows directory. If the day is 11th of May, the following message will be displayed:



If the day is 12th of May, the following message will be displayed:



If the day is 15th of May, the following message will be displayed:



If the day is 17th of May, the following message will be displayed:

   
Use current engine and DAT files for detection and removal.

Using File Filtering with WebShield SMTP for WindowsNT(not applicable for Solaris):
Within the Configuration console select content filtering.
Select Add.
Add a Description for the content filter rule such as VBSBlock.
Select Filter on Attachment File name.
Filter on .vbs
Select OK.

Additional Windows ME/XP removal considerations

AVERT Recommended Updates:

* Office2000 Updates

* 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.

   

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