ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 26 July 2010, 03:53:57
Processing time: 10 min 28 sec
Submitted sample:

File MD5: 0xCBD45FA42CFC8CC02874FC3D5304BB59
File SHA-1: 0x1AE931B496B1FE26DE79C3D1444E0AB87B262F4B
Filesize: 15,360 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:\487656.bat	160 bytes	MD5: 0x9C0AA39268363340DB7221DEDBDDDC9F SHA-1: 0x954CDFEE792D780841F6C77DEF0AD2115F46DBF9
2	%Windir%\ld08.exe [file and pathname of the sample #1]	15,360 bytes	MD5: 0xCBD45FA42CFC8CC02874FC3D5304BB59 SHA-1: 0x1AE931B496B1FE26DE79C3D1444E0AB87B262F4B

Note:

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

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
ld08.exe	%Windir%\ld08.exe	49,152 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%\ld08.exe"

so that ld08.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) = ""

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