Submission Summary:

• Submission details:
• Submission received: 18 October 2009, 19:13:16
• Processing time: 5 min 27 sec
• Submitted sample:
• File MD5: 0xDA436611FB5E3E4E12CF69AC563240CE
• File SHA-1: 0xBFF7711B92608291F42156E13404B30E4A790590
• Filesize: 51,712 bytes
• Alias: Trojan-Dropper.Win32.Agent.bftb [Kaspersky Lab]

• Summary of the findings:

What's been found	Severity Level
Registers a 32-bit in-process server DLL.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! The following threat categories were identified:

Threat Category	Description
	A code with the rootkit-specific techniques designed to hide the software presence in the system
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	A network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

• The following files were created in the system:

• 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).

Memory Modifications

• The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
w3X0nol.dll	%System%\w3X0nol.dll	Process name: explorer.exe Process filename: %Windir%\explorer.exe Address space: 0x10000000 - 0x1002F000

• Notes:
• %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Registry Modifications

• The following Registry Keys were created:
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{96745B67-9939-9230-9024-2009D923BC03}
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{96745B67-9939-9230-9024-2009D923BC03}\InProcServer32

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{96745B67-9939-9230-9024-2009D923BC03}\InProcServer32]
• (Default) = "%System%\w3X0nol.dll"
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad]
• oledll = "{96745B67-9939-9230-9024-2009D923BC03}"

• The following Registry Values were modified:
• [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]
• (Default) =
• [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]
• (Default) =
• [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\Old WorkAreas]
• OldWorkAreaRects =

Other details

• Analysis of the file resources indicate the following possible country of origin:

	Russian Federation