ThreatExpert Report: Rogue:Win32/Winwebsec, Trojan.Win32.FakeAV

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Submission Summary:

Submission details:

Submission received: 5 October 2012, 10:01:46
Processing time: 9 min 19 sec
Submitted sample:

File MD5: 0x3BC9E1E23E271F38A3D128BA3CD4566D
File SHA-1: 0xEF8965F898E936AEAE8618E83E36DD98016F368F
Filesize: 464,896 bytes
Alias:

Rogue:Win32/Winwebsec [Microsoft]
Trojan.Win32.FakeAV [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: 0xC783AC23272611ABC9C58852824E9895 SHA-1: 0xA33FCD90D4316D45FFC667E71160C68090A63FF2	(not available)
2	%CommonAppData%\CDE75CA74F8D1A400000CDE75BDA3480\CDE75CA74F8D1A400000CDE75BDA3480.exe [file and pathname of the sample #1]	464,896 bytes	MD5: 0x3BC9E1E23E271F38A3D128BA3CD4566D SHA-1: 0xEF8965F898E936AEAE8618E83E36DD98016F368F	Rogue:Win32/Winwebsec [Microsoft] Trojan.Win32.FakeAV [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]	1,585,152 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

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