ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 11 June 2009, 00:44:54
Processing time: 7 min 0 sec
Submitted sample:

File MD5: 0xE65E0AC8E2046164FE67E9AF494BD511
File SHA-1: 0x425FFE9A13B67617100FBB22D57C33C1703F6705
Filesize: 43,008 bytes

Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	c:\d45.bat	159 bytes	MD5: 0xC152D229D6BAF129DD1DCA80A9988E8A SHA-1: 0x6A513838438E922346B503DA7F7ED10D9B6D9A69
2	%Windir%\ld09.exe [file and pathname of the sample #1]	43,008 bytes	MD5: 0xE65E0AC8E2046164FE67E9AF494BD511 SHA-1: 0x425FFE9A13B67617100FBB22D57C33C1703F6705

Note:

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

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
ld09.exe	%Windir%\ld09.exe	73,728 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	73,728 bytes

Registry Modifications

The following Registry Keys were deleted:

HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating
HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating\.Current
HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating\.Default

The newly created Registry Value is:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

sysldtray = "%Windir%\ld09.exe"

so that ld09.exe runs every time Windows starts

The following Registry Values were deleted:

[HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating\.Default]

(Default) = "%SystemRoot%\media\Windows XP Start.wav"

[HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating\.Current]

(Default) = "%SystemRoot%\media\Windows XP Start.wav"

[HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating]

(Default) = ""

Other details

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

Russian Federation

To mark the presence in the system, the following Mutex object was created:

1978gfd3d63xx09

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