ThreatExpert Report: AntiVirus2008, FakeAlert-WinwebSecurity.gen, Trojan:Win32/Winwebsec..

Submission Summary:

Submission details:

Submission received: 10 July 2009, 10:02:47
Processing time: 6 min 35 sec
Submitted sample:

File MD5: 0x51371612196721B8DC1F28DB96C29E26
File SHA-1: 0xD0FB1E914DF2835589C289D86BB4E15AC7DDA0A3
Filesize: 707,621 bytes
Alias:

Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

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Possible Security Risk

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

Security Risk	Description
RogueAntiSpyware.System Security	RogueAntiSpyware.System Security is a rogue anti-spyware program which pretends to scan your computer and show severe system threats installed on it. After that it prompts you to buy this software.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\12904374\12904374	56 bytes	MD5: 0x41F594874B1BAB0E90BBA052491070BA SHA-1: 0xAB34B84F03B4E3F8DDCEF1AC7D881437909698F0	(not available)
2	%CommonAppData%\12904374\12904374.exe	707,658 bytes	MD5: 0x99E4F671FC1783B272A54426F412DF25 SHA-1: 0x44859B8876C1D40F0F814BA73698CB0C2D38C739	AntiVirus2008 [Symantec] FakeAlert-DZ [McAfee] Trojan:Win32/Winwebsec [Microsoft]
3	%DesktopDir%\System Security 2009.lnk	1,850 bytes	MD5: 0xC54474AB19B0D3561A65839E29D78C6A SHA-1: 0x1F92FC0926BE53B11253A42D3923931D4870C6D4	(not available)
4	%Temp%\00315437.cmd	186 bytes	MD5: 0xA8E66E8EFBBA27247F202241C9FA02ED SHA-1: 0x93C5347DDC7A5FD89B806A76DD3C12F4D9BE0E0D	(not available)
5	%Programs%\System Security\System Security	343 bytes	MD5: 0xF79B104BACC5CF55A4F48989CDC6D4CF SHA-1: 0x2DDA81E607C7F32E4C677AE6CE77DD47070F3CBE	(not available)
6	[file and pathname of the sample #1]	707,621 bytes	MD5: 0x51371612196721B8DC1F28DB96C29E26 SHA-1: 0xD0FB1E914DF2835589C289D86BB4E15AC7DDA0A3	AntiVirus2008 [Symantec] FakeAlert-WinwebSecurity.gen [McAfee] Trojan:Win32/Winwebsec [Microsoft]

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%DesktopDir% is a variable that refers to the file system directory used to physically store file objects on the desktop. A typical path is C:\Documents and Settings\[UserName]\Desktop.
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.

The following directories were created:

%CommonAppData%\12904374
%Programs%\System Security

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
12904374.exe	%CommonAppData%\12904374\12904374.exe	712,704 bytes

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SystemSecurity2009

The newly created Registry Values are:

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

12904374 = "%CommonAppData%\12904374\12904374.exe"

so that 12904374 runs every time Windows starts

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SystemSecurity2009]

DisplayName = "SystemSecurity2009"
ShortcutPath = "%Programs%\System Security\\System Security"
UninstallString = "%Programs%\System Security\\System Security"
DisplayIcon = "%CommonAppData%\12904374\12904374.exe,0"

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:

AV32$INC

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