ThreatExpert Report: Rogue:Win32/Winwebsec

Submission Summary:

Submission details:

Submission received: 5 October 2012, 09:13:38
Processing time: 9 min 10 sec
Submitted sample:

File MD5: 0x2F45463094C407C046D5F3431A8B998B
File SHA-1: 0x733C242A7B3024625D9D05DC2505295034F30A2A
Filesize: 483,328 bytes
Alias: Rogue:Win32/Winwebsec [Microsoft]

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: 0x1C3C22DEC15368A21E59BAD9C3E30AB2 SHA-1: 0x8B07EB387D4E9078139A584EF363A412FDBE5986	(not available)
2	%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480.exe [file and pathname of the sample #1]	483,328 bytes	MD5: 0x2F45463094C407C046D5F3431A8B998B SHA-1: 0x733C242A7B3024625D9D05DC2505295034F30A2A	Rogue:Win32/Winwebsec [Microsoft]
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]	1,290,240 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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