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Mass Mailing Worms

 
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Last Modified on: Thursday, November 06, 2008

In recent news, a not-so-new breed of worm is becoming more commonplace, worms which not only open computers to remote access, but send out SPAM from the compromised machine. The trouble with these is that innocent victims are blamed for spamming. You can protect yourself by using a good Anti-virus program.

Below are commonly known mass-mailing worms and the method to detect them/remove them. The most important thing is to fix the means by which they got into the computer in the first place. Most often you can accomplish this by using an Anti-Virus as well as a Spyware Blocking Software which will also help stop other common annoyances.

Special Alert!: Messages created by worms or viruses are in circulation claiming to be from the FBI, you should disregard them. The FBI would never contact you in this manner. See their official statement

 

Worm Name Port# Subject, Message or Attachment Signature
W32.jalabed@mm 2006
  1. Adds the value:

    "Ya Salam" = "%System%\NancyAjram.exe"

    to the following registry subkey:

     HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

    so that it runs every time Windows starts.

 
W32.beagle.dn@mm 6777
Creates the following files:

 
  • %System%\windspl.exe
  • %System%\windspl.exeopen
  • %System%\windspl.exeopenopen
  • %Windir%\regisp32.exe

     

Creates mutexes named "MuXxXxTENYKSDesignedAsTheFollowerOfSkynet-D" and "smtp_bagla_1000" in order to avoid multiple copies of itself running at the same time.

 

Adds the value:

"DsplObjects" = "%System%\windspl.exe"

to the registry subkey:

 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
 

 
w32.sygyp.a@mm   Subject:
Google Earth – Explore, Search and Discover

Message body:
Want to know more about a specific location? Dive right in -- Google Earth combines satellite
imagery, maps and the power of Google Search to put the world's geographic information at your
fingertips.

* Fly from space to your neighborhood. Type in an address and zoom right in.
* Search for schools, parks, restaurants, and hotels. Get driving directions.
* Tilt and rotate the view to see 3D terrain and buildings.
* Save and share your searches and favorites. Even add your own annotations.

Attachment:
GoogleEarthSetup.exe

Copies itself as the following files:

%System%\Regverif32.exe
%Windir%\GoogleEarthSetup.exe

Creates the following files:

%System%\Sys32.reg
%System%\Reg32.reg
%System%\OE32.reg
%System%\Sec32.reg
%System%\FWall32.reg
%System%\NTFS32.reg
%System%\W32Info.reg

Adds the value:

"RegVfy32" = "%System%\Regverif32.exe"

to the registry subkey:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

so that the worm runs every time Windows starts.


Adds the values:

"DisableTaskmgr" = "1"
"DisableRegistryTools" = "1"

to the registry subkey:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

to disable the Registry Editor and the Task Manager.


Adds the values:

"Compact Do not Ask Again" = "1"
"Delete Thread Warning" = "6"
"Mail Empty Subject Warning" = "1"
"Send Mail Warning" = "1"

to the registry subkey:

HKEY_CURRENT_USER\Identities\[DEFAULT USER]\Software\Microsoft\Outlook Express\[OUTLOOK VERSION]\Dont Show Dialogs

to prevent certain warning messages from being displayed by Microsoft Outlook.
 
W32.feebs.d@mm 80 Adds the value:

"Stubpath" = "C:\COMMAND.EXE"

to the registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components
\{CD5AC91B-AE7B-E83A-0C4C-E616075972F3}


Adds the value:

"(default)" = "%System\[PATH TO DLL WORM COMPONENT]"

to the registry subkey:

HKEY_CLASSES_ROOT\CLSID\{[RANDOM CLSID]}\InprocServer32

so that it runs every time Windows starts.


Adds the value:

"[FILE NAME OF DLL WORM COMPONENT]" = "{[RANDOM CLSID]}"

to the registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ ShellServiceObjectDelayLoad

so that it runs every time Windows starts.
 
w32.looksky.f@mm  
Subject:
Your mail Account is Suspended

Message Body:
We regret to inform you that your account has been suspended due to the violation of our site policy, more info is attached.

Attachment:
acc_info9.exe

 

  1. Adds the value:

    "HostSrv" = "%Windir%\sachostx.exe"

    to the registry subkey:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

    so that it runs every time Windows starts.

     
  2. Uses the additional malware to steal information, log keystrokes and execute commands from a remote attacker.
     

 
W32.feebs.b@mm 80
  1. Creates the following files:

     
    • %System%\MS[RANDOM].exe
    • %System%\MS[RANDOM]
    • %System%\MS[RANDOM]32.DLL

      Note: %System% is a variable that refers to the System folder. By default this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

       
  2. Loads %System%\MS[RANDOM]32.DLL into all active processes and blocks access to its files.

     
  3. Adds the value:

    "Stubpath" = "C:\COMMAND.EXE"

    to the registry subkey:

     HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{CD5AC91B-AE7B-E83A-0C4C-E616075972F3}

    so that it runs every time Windows starts.

     
  4. Adds the value:

    "(default)" = "%System\[PATH TO DLL WORM COMPONENT]"

    to the registry subkey:

    HKEY_CLASSES_ROOT\CLSID\{[RANDOM CLSID]}\InprocServer32

    so that it runs every time Windows starts.
     

 
w32.mytob.kp@mm 3385
  • Copies itself as the following file:

    %System%\picx.exe
  • Adds the value:

    "PIC SYSTEM" = "picx.exe"

    to the registry subkey:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices

    so that it runs every time Windows starts.

    Note: The worm will recreate these registry entries if they are deleted.
  • Modifies the value:

    "Start" = "4"

    in the registry subkey:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess

    which disables the Shared Access service in Windows 2000/XP.

    Note: The worm will recreate this registry entry if it is deleted.

 
w32.mytob.km@mm 23523 Adds the value:

"PAX SYSTEM" = "\scrigz.exe"

to the following registry subkeys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
RunServices
W32.Mytob@mm 10027
8000		 Adds the value:

"WINTASKMAN" = "taskman.exe"

to the registry subkeys:

HKEY_CURRENT_USER\Software\Microsoft\OLE
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\SYSTEM\CurrentControlSet\Control\Lsa
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
w32.sober.o@mm 37 Displays a message with the following text:

Title: WinZip Self-Extractor
Body: Error:  CRC not complete
 

w32.sober.o error message

 Adds the value:

" WinStart" = "%Windir%\Connection Wizard\Status\services.exe"

to the registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

so that the worm runs every time Windows starts.


Adds the value:

"_WinStart" = "%Windir%\Connection Wizard\Status\services.exe"

to the registry subkey:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

so that the worm runs every time Windows starts.
 
w32.mytob.cz@mm 3030 Adds the value:

"WINDOWS SYSTEM" = "xxx.exe"

to the registry subkeys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
RunServices

so that it runs every time Windows starts.

Note: The worm continually recreates these registry entries if they are deleted.


Adds the value:

"Start" = "4"

to the registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess
w32.mytob.db@mm 4512 Creates the mutex named: "h311b0t3f1x3.net", so that only one instance of the threat runs on the compromised computer.


Copies itself as: %System%\www.lienvandekelder.be.exe


Adds the value:

"Lien Van de Kelder" = "www.lienvandekelder.be.exe"

to the registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
RunServices

so that the risk runs every time Windows starts.
 
W32.kalel.a@mm 51435
  1. Creates a file named C:\inetpub\wwwroot\password.zip, which contains a copy of the worm with file name password.pif.

     
  2. Creates a file named C:\inetpub\wwwroot\index.html, which refers to c:\inetpub\wwwroot\password.zip.

     
  3. Adds the values:

    "Windows Security Authority Service" = "%Windir%\system\lsass.exe"
    "Windows Service" = "%Windir%\system\services.exe"

    to the registry subkey:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    so that the threat runs every time Windows starts.

     
  4. Adds the value:

    "Microsoft Windows CSRSS" = "%Windir%\system\csrss.exe"

    to the registry subkey:

    HEKY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

    so that the threat runs every time Windows starts.
     

 
W32.mytob.br@mm 10087 Adds the value:

"WINRUN" = "taskgmr.exe"

 to the registry subkeys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\OLE
HKEY_CURRENT_USER\SYSTEM\CurrentControlSet\Control\Lsa
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLE
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa

Creates the following file:

C:\hellmsn.exe
Trojan.ascetic.b
  1. Adds the value:

     " SystemDriver" = "%Windir%\addins\explorer\csrss.exe"

         to the registry subkey:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

         Adds the value:

     "_SystemDriver" = "%Windir%\addins\explorer\csrss.exe"

    to the registry subkey:

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

W32.chod@mm Adds the value:

"Installed" = "1"

to the registry subkeys:

HKEY_CLASSES_ROOT\Chode
HKEY_LOCAL_MACHINE\Software\Classes\Chode
W32.mytob.e@mm 445 667 Adds the value:

"SVCHOST" = "scvhost.exe"

to the registry subkeys:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\OLE
HKEY_CURRENT_USER\SYSTEM\CurrentControlSet\Control\SVCHOST
W32.mydoom.ax@mm Adds the values:

"JavaVM" = "%Winir%\java.exe "
"Services" = "%Windir%\services.exe"

to one of the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
W32.aimdes.a@mm Adds the value:

"MsVBdll" = "[Directory of file executed]C:\Windows\MsVBdll.pif"

to the registry keys:

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
W32.aimdes.c@mm Adds the value:

"MsVBdll" = "%Windir%\sys32dll.exe"

to the registry keys:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
W32.Ahker.B Subject: Service Pack 2 BUG!!
Attachment: Fix_SP2.zip
W32.Salga.B Attachment: Britny spears marriage with Bnladen son.zip.exe

Network: Creates a network share named "magic_cam", which contains a copy of the worm.
W32.Sober.I 37 When run displays the following error message:

"WinZip_Data_Module is missing ~Error: {[random number]}"
W32.Neveg.B Adds the one of the following values:

".Prog" = "%Windir%\system\services.exe"
"BuildLab" = "%Windir%\system\services.exe"
"ccApps" = "%Windir%\system\services.exe"
"FriendlyTypeName" = "%Windir%\system\services.exe"
"Microsoft Visual SourceSafe" = "%Windir%\system\services.exe"
"RegDone" = "%Windir%\system\services.exe"
"TEXTCONV" = "%Windir%\system\services.exe"
"WMAudio" = "%Windir%\system\services.exe"

to the registry key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
W32.EvaMan.C The email will have one of these subjects:
  • SN: New secure mail
  • Secure delivery
  • failed transaction
  • Re: hello (Secure-Mail)
  • Re: Extended Mail
  • Delivery Status (Secure)
  • Re: Server Reply
  • SN: Server Status
W32.BugBros.C Subject: New products
Attachment: Twunk_64.exe
W32.LoveGate.ak 6000 Adds the values:
"Program in Windows"="%system%\iexplore.exe"
"Protected Storage"="RUNDLL32.exe MSSIGN30.DLL ondll_reg"
"VFW Encoder/Decoder Settings"="RUNDLL32.exe MSSIGN30.DLL ondll_reg"
"WinHelp"="%system%\WinHelp.exe"
to the registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
MyDoom.L 1042 Adds the value:"Traybar" = "%Windows%\lsass.exe"
to the registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
W32.Beagle.Y 1234 When worm is run it displays the message:
W32.Bobax.A 445, 5000 Adds the value"<random_characters>" = "%System%\<random_characters>.exe"
to the registry keys
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
    RunServices
BlackMal See Details about worm
GaoBot.dk See Details about worm
Mitglieder.E 20742 See Details about worm
Hiton.A See Details about worm
NetSky (Variants) See Details about worm
Beagle.n 2556 From: as one of the following @Your_Domain
  • management
  • administration
  • staff
  • antivirus
  • antispam
  • noreply
  • support
Trojan.Mercurycas Adds Registry value:
"Olive System"="%System%\Szchost.exe"
to the RUN section of the windows registry.
MyDoom.F Attachment: Varies with an extension of .pif, .scr, .exe, .cmd, .com, .bat, or .zip.
Dumaru.AH Attachment: document.zip
Mertian.Worm Subject: want to see my new pic!!!
Gubed.int Subject: "Congratulations for your site" or "Important EMail for [recipient's name]"
Hllw.Cult Subject: Hi, I sent you an eCard from BlueMountain.com
Maldal.C Subject: Happy New Year
Mitglieder.c Adds Registry value "ssgrate.exe"="%System%\system.exe" to the RUN section of the windows registry.
Hunch Message: Mensaje importante para <Name of the sender> en el archivo adjunto...
Stoogy.Worm Message: This is the patch you asked for
Enemany.B Subject: Edonkey Update
Prt_Ticky.B Subject: XXX Picture...
Shiba.Worm Subject: Hello,Shibatsu.
Hopalong.Worm Subject: Look At This!!!
Hllp.julk Attachment: Mabel.exe
MiMail.I Subject: YOUR PAYPAL.COM ACCOUNT EXPIRES
MiMail.J Attachment: InfoUpdate.exe or www.paypal.com.pif
MiMail.T Attachment: varies with .exe, .pif, or .scr file extension
MyDoom.B Attachment: extensions of ( .pif, .scr, .exe, .cmd, .bat, or .zip.)
DMspammer Backdoor.DMSpammer is usually found as the file, C:\Program Files\Common Files\MSDM\msdm.exe.
MyDoom.A Attachment: extensions of ( .pif, .scr, .exe, .cmd, .bat, or .zip.)
Beagle.A Subject: Hi
Taripox Attachment:Random or the recipient's name with the ".doc.pif" string appended
Backdoor.Hogle Open Proxy for Mail relay by spammers
Naldem Adds Registry Value: "DivX Updater" = %windows%/divx.exe to the RUN section of the windows registry
Dumaru.AD Subject: Important information for you. Read it immediately !
W32.maddis.b Adds Registry Value: WindowsUpdate" = "%System%\USRINIT.EXE to the RUN section of the windows Registry
W32.Supova.z.MM Adds Registry Value:"Windows Drive Compatibility"="%Windir%\System32Drive32.exe"
to the RUN section of the windows registry
W32.tubty.a@mm The email has the following characteristics:
From: ballfruit@mail.ru
Subject: MESSAGE_ID:<zzz>
Attachment: photos.exe
W32.Erkez.B Creates the registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\_Hazafibb

Adds the value:
"<random name>"="%system%\<random file name>.exe"
to the registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
trojan.ascetic.a Creates the following nonviral files in the %System% directory:

bcegfds.lll
zhcarxxi.vvx
cvqaikxt.apk
Odin-Anon.Ger
mswn32sock.dats
llsapwin32.dats
W32.paps.a@mm Adds the value:

"Win32Config" = "%Windir%\win32config.exe"

in the registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

* If there is a mass-mailing worm not shown here or information not shown please Mail US

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http://www.ftc.gov/infosecurity
portsdb.org Common Application Ports
Ports Search page Complete Ports List
Microsoft Port designations Application Ports
Dark-E.com A very informative site Finding Trojans in the Windows Registry

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