ThreatExpert Report: FakeAlert-SecurityTool.fr, Rogue:Win32/Winwebsec, Trojan-Ransom.Win32.Mbro

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Submission Summary:

Submission details:

Submission received: 5 October 2012, 09:25:57
Processing time: 9 min 7 sec
Submitted sample:

File MD5: 0x6B375FD700CF95DAD00EC1B432F94670
File SHA-1: 0x40BD5A3F4A6D9543EDD9DEB7730A10F17E0B8FDC
Filesize: 475,136 bytes
Alias:

FakeAlert-SecurityTool.fr [McAfee]
Rogue:Win32/Winwebsec [Microsoft]
Trojan-Ransom.Win32.Mbro [Ikarus]

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	Alias
1	%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480	2,896 bytes	MD5: 0x823B93318CD4F58CCB1965E6D9AF1989 SHA-1: 0x6D3001E249FE5223B11C6AA9E2C5503974946BBA	(not available)
2	%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480.exe [file and pathname of the sample #1]	475,136 bytes	MD5: 0x6B375FD700CF95DAD00EC1B432F94670 SHA-1: 0x40BD5A3F4A6D9543EDD9DEB7730A10F17E0B8FDC	FakeAlert-SecurityTool.fr [McAfee] Rogue:Win32/Winwebsec [Microsoft] Trojan-Ransom.Win32.Mbro [Ikarus]
3	%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480.ico	4,286 bytes	MD5: 0xF979390B4527BED0661FF1130202A1B5 SHA-1: 0xF56BDA6AE27E368A0D40DB2E8FFEB74A63855A22	(not available)

Note:

%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.

The following directory was created:

%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	1,273,856 bytes

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce]

CDE75CA74F8D1A400000CDE75BDA3480 = "%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480.exe"

so that CDE75CA74F8D1A400000CDE75BDA3480 runs every time Windows starts

Other details

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

Russian Federation

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