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

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Submission Summary:

Submission details:

Submission received: 25 October 2012, 17:39:48
Processing time: 9 min 51 sec
Submitted sample:

File MD5: 0x45E57C9CDB503FA94D188A752D344751
File SHA-1: 0xDEA70A1E0E1119D03994522FD588CC3E59056D53
Filesize: 421,376 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%\00D427DA3C591A40000000D4270D214C\00D427DA3C591A40000000D4270D214C	2,960 bytes	MD5: 0xD21FA2FA54878BAD7C33122C4D8143FB SHA-1: 0x3EB8F8E35C856A190111C7F0EC52A02C164F52BD	(not available)
2	%CommonAppData%\00D427DA3C591A40000000D4270D214C\00D427DA3C591A40000000D4270D214C.exe [file and pathname of the sample #1]	421,376 bytes	MD5: 0x45E57C9CDB503FA94D188A752D344751 SHA-1: 0xDEA70A1E0E1119D03994522FD588CC3E59056D53	Rogue:Win32/Winwebsec [Microsoft] Trojan.Win32.FakeAV [Ikarus]
3	%CommonAppData%\00D427DA3C591A40000000D4270D214C\00D427DA3C591A40000000D4270D214C.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%\00D427DA3C591A40000000D4270D214C

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]	950,272 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]

00D427DA3C591A40000000D4270D214C = "%CommonAppData%\00D427DA3C591A40000000D4270D214C\00D427DA3C591A40000000D4270D214C.exe"

so that 00D427DA3C591A40000000D4270D214C runs every time Windows starts

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