ThreatExpert Report

Submission Summary:

Submission details:

Submission received: 10 July 2008, 15:11:55
Processing time: 6 min 18 sec
Submitted sample:

File MD5: 0xD79DBCADEB15475EA3E739B3E2A4525B
File SHA-1: 0x32D04A5653DFCA666FE73876080DB5FA9CA72611
Filesize: 89,561 bytes

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Modifies some system settings that may have negative impact on overall system security state.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.FakeAlert	Trojan.FakeAlert will hijack the desktop background with an image alerting the user that their computer system has been infected with spyware. It also changes some settings of windows which include:- disabling permissions for the user to change the background image and setting the active desktop to 'show web content'. It is usually installed in conjunction with a rogue anti-spyware application.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	%System%\hljwugsf.bin	4 bytes	MD5: 0x476B2AA358E39F22D148D27179961760 SHA-1: 0x63D86D032254519309897B685B336900EBA6908F
2	[file and pathname of the sample #1] %System%\uoyzsydz.exe	89,561 bytes	MD5: 0xD79DBCADEB15475EA3E739B3E2A4525B SHA-1: 0x32D04A5653DFCA666FE73876080DB5FA9CA72611

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

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
uoyzsydz.exe	%System%\uoyzsydz.exe	2,236,416 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	2,236,416 bytes

Registry Modifications

The following Registry Key was created:

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

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system]

DisableTaskMgr = 0x00000001

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

DisableTaskMgr = 0x00000001

to prevent users from starting Task Manager (Taskmgr.exe)

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

Userinit = "%System%\userinit.exe,%System%\uoyzsydz.exe,"

so that uoyzsydz.exe runs every time Windows starts

Other details

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
mycashloads.com	80	(null)	(null)

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