W32/Surubat.A is a mass mailing worm. The worm will infect Windows systems and spreads through email.

The 'From' address of the infected mail will be;

Administrator

The 'Subject' address of the infected mail will be;

System Administrator, This is out report of naked isue

The 'Body' address of the infected mail will be;

Please read attachment bellow, and please reply to me..!!!
hope we dont have miss understanding
thanks...!!!

The name of the infected attachment will be;

Peta_Instalasi_Nuklir_Israel.zip

Upon execution, the worm creates the following files:

MSOHEV.EXE in the ProgramFiles\MICROSOFT OFFICE\OFFICE folder,
PETA_INSTALASI_NUKLIR_ISRAEL.EXE in the %SystemDrive%,
DATABASE.TXT, documents.exe, safemode.exe, taskmanager.exe in the Windows folder,
scvhost.exe, systems.exe, winamps.exe, winzip.exe in the Windows\Restore folder,
systema.exe in the Windows\mmsgs folder.

The worm also copies itself to the following network shares:

$ADMIN, $printer and $IPC

It modifies the registry at the following locations:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Identities\[UNIQUE CURRENT USER SUBKEY]\Software\Microsoft\Outlook Express\5.0\Mail
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\srservice

The worm gathers target email recipients from the following registry subkeys:

HKEY_CURRENT_USER\Software\Microsoft\Internet Account Manager\Accounts
HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts

It then uses the Messaging Application Programming Interface (MAPI) to send copies of itself to the harvested email addresses.

The worm also attempts to join the following channel using TCP port 6667:
irc.librenet.net

The worm uses the above channel as a back door, which allows a remote attacker to perform the following commands:

Download a file
Upload a file
Execute a file
Use Command Prompt

This worm first appeared on February 07, 2007.

 Other names of W32/Surubat.A Worm:

This Worm is also known as W32.Surubat.A@mm.