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Virus Profile: W32/Supova.e.worm

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 7/18/2002
Date Added: 7/30/2002
Origin: United States
Length: 49,152 bytes
Type: Virus
Subtype: P2P Worm
DAT Required: 4214
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

  • Presence of any of the following files in the WINDOWS directory:
    • Desktop-shooting.exe
    • Hello-Kitty.exe
    • BigMac.exe
    • Cheese-Burger.exe
    • Blaargh.exe
  • Creation of additional files in the C:\Windows\Media folder as mentioned in the Characteristics section.
  • Attempts to ping the web addresses mentioned, on the 5th of the month
  • File deletion on the 7th of the month
  • Methods of Infection

    This worm attempts to use the KaZaa file-sharing network and MSN Messenger instant messaging network to spread. The worm cannot propagate without at least one of these applications being installed on the local system.

    When this worm is executed, it will modify the registry to instruct the Peer-to-peer (P2P) client KaZaa to use the %Windir%\Media folder as a shared location:

    • HKEY_CURRENT_USER\Software\Kazaa\LocalContent\
      Dir0=012345:C:\WINDOWS\Media\

    Aliases

    I-Worm.Win32.Supova.49152 (Hauri), W32/Supova.E (F-Prot), Win32.Kitty.a (ESafe), Win32.Worm.Supova.C (AVX), WORM_SURNOVA.D (Trend)
       

    Virus Characteristics

    This is a minor variant of W32/Supova.d.worm, and is generically identified as W32/Supova.Worm with current engine and definitions. This variant contains a file deletion payload, and a denial of service payload.

    This worm is designed to propagate through the KaZaa peer-to-peer file-sharing network and MSN Messenger. It attempts to lure KaZaa users into downloading and running itself by posing as software titles that users may find enticing.

    When run, the worm displays a bogus error message:

    It then copies itself to the C:\Windows\Media folder with the following file names:
    • Age of empires 2 crack.exe
    • Battle.net key generator (WORKS!!).exe
    • Britney spears nude.exe
    • CloneCD + crack.exe
    • CloneCD all-versions key generator.exe
    • DivX codec v6.0.exe
    • DivX newest version.exe
    • DivX patch - Increases quality.exe
    • DivX pro key generator.exe
    • DivX.exe
    • Gamecube Emulator (WORKS!!).exe
    • Grand theft auto 3 CD1 crack.exe
    • GTA3 crack.exe
    • Hack into any computer!!.exe
    • Half-life ONLINE key generator.exe
    • Half-life WON key generator.exe
    • KaZaA media desktop v2.0 UNOFFICIAL.exe
    • KaZaA spyware remover.exe
    • Key generator for all windows XP versions.exe
    • Key generator for over 1,000 applications (really!).exe
    • Macromedia Dreamweaver MX Key Generator.exe
    • Macromedia Flash MX Key Generator.exe
    • Macromedia MX key generator (all products).exe
    • Microsoft key generator, works for ALL microsoft products!!.exe
    • Microsoft Office XP (english) key generator.exe
    • Microsoft Office XP.iso.exe
    • Microsoft Windows XP crack pack.exe
    • Norton antivirus 2002.exe
    • Quake 4 BETA.exe
    • Star wars episode 2 downloader.exe
    • Warcraft 3 battle.net serial generator.exe
    • Warcraft 3 ONLINE key generator.exe
    • Windows XP key generator.exe
    • Windows XP serial generator.exe
    • Winrar + crack.exe
    • Winzip 8.0 + serial.exe
    • XBOX emulator (WORKS!!).exe
    • Xbox.info.exe
    A copy is also saved to the WINDOWS directory with one of the following names:
    • Alles-ist-vorbei.exe
    • Desktop-shooting.exe
    • Hello-Kitty.exe
    • BigMac.exe
    • Cheese-Burger.exe
    • Blaargh.exe
    A registry run key is created to load the worm at startup:
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
      Run\Supernova=C:\WINDOWS\BLAARGH.exe
    The worm executable uses an image of the Hello Kitty character for an icon:

    A text file is saved to the WINDOWS directory with a random 11-character name that reads:

    W32.Supernova
    ---------------------------------------------------
    'Patch the leaks or the ship will sink'
    ---------------------------------------------------

    The worm also attempts to use MSN Messenger to send itself to users on the contact list. However, this functionality did not work properly during testing. The worm is designed to send one of the following messages to MSN Messenger users:

    • Hehe, check this out :-)
    • Funny, check it out
    • LOL!! See this :D
    • LOL!! Check this out :)
    • Hehe, this is fun :-)

    This variant has two date activated payloads. This variant uses PING as a denial of service attack against three Internet domains on the 5th of any month, and runs at Windows startup:

    • www.beliefnet.com
    • www.christianity.com
    • www.islamicity.com
    The second payload activates on the 7th of the month and displays three consecutive message boxes:

    Next this virus deletes all files in these folders:

    • %WinDir%
    • %WinDir%\System
    • %WinDir%\System32
       

    All Users:

    Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

    1.Disable System Restore .

    2.Update to current engine and DAT files for detection and removal.

    3.Run a complete system scan.

    Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

    1. Please go to the Microsoft Recovery Console and restore a clean MBR.

    On windows XP:

    Insert the Windows XP CD into the CD-ROM drive and restart the computer.
    When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
    Select the Windows installation that is compromised and provide the administrator password
    Issue 'fixmbr' command to restore the Master Boot Record
    Follow onscreen instructions
    Reset and remove the CD from CD-ROM drive.


    On Windows Vista and 7:

    Insert the Windows CD into the CD-ROM drive and restart the computer.
    Click on "Repair Your Computer"
    When the System Recovery Options dialog comes up, choose the Command Prompt.
    Issue 'bootrec /fixmbr' command to restore the Master Boot Record
    Follow onscreen instructions
    Reset and remove the CD from CD-ROM drive.

       

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