ThreatExpert Report: Adware.WinFavorites, Trojan-Spy.Win32.Briss.c, Adware-BHO.gen, TROJ

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Submission Summary:

Submission details:

Submission received: 25 October 2012, 08:38:31
Processing time: 8 min 56 sec
Submitted sample:

File MD5: 0xCDD7A021E49B6E756647DCB51F21F8EB
File SHA-1: 0x71C893F5DA54CD71FCA3CE49B53503555F90E7E9
Filesize: 72,562 bytes
Alias:

Adware.WinFavorites [Symantec]
Trojan-Spy.Win32.Briss.c [Kaspersky Lab]
Adware-BHO.gen [McAfee]
TROJ_BRISS.A [Trend Micro]
Mal/Generic-L [Sophos]
PWS:Win32/Briss [Microsoft]
Trojan-Spy.Win32.Briss.C [Ikarus]

Summary of the findings:

What's been found	Severity Level
Registers a 32-bit in-process server DLL.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat categories were identified:

Threat Category	Description
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
	A potentially unwanted adware program designed to deliver various advertisements to the users' systems

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	72,562 bytes	MD5: 0xCDD7A021E49B6E756647DCB51F21F8EB SHA-1: 0x71C893F5DA54CD71FCA3CE49B53503555F90E7E9	Adware.WinFavorites [Symantec] Trojan-Spy.Win32.Briss.c [Kaspersky Lab] Adware-BHO.gen [McAfee] TROJ_BRISS.A [Trend Micro] Mal/Generic-L [Sophos] PWS:Win32/Briss [Microsoft] Trojan-Spy.Win32.Briss.C [Ikarus]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes

Note:

[generic host process filename] is a full path filename of [generic host process].

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x10000000 - 0x10013000
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x10000000 - 0x10013000

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Control
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Implemented Categories
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\MiscStatus
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\MiscStatus\1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\ToolboxBitmap32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Version
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg.1\CLSID

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}]

(Default) = "test1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}]

(Default) = "test2"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\MiscStatus\1]

(Default) = "132497"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\VersionIndependentProgID]

(Default) = "Bridge.brdg"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\Version]

(Default) = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\TypeLib]

(Default) = "{DDAF2479-6F00-4599-998A-3ED75686C6D0}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\ToolboxBitmap32]

(Default) = "[file and pathname of the sample #1], 101"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\ProgID]

(Default) = "Bridge.brdg.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\MiscStatus]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}\InprocServer32]

(Default) = "[file and pathname of the sample #1]"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}]

(Default) = "brdg Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\TypeLib]

(Default) = "{DDAF2479-6F00-4599-998A-3ED75686C6D0}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{4FDBDBAD-FEFE-4C4C-9CC1-1181052AFB12}]

(Default) = "Ibrdg"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\0\win32]

(Default) = "[file and pathname of the sample #1]"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\HELPDIR]

(Default) = "%System%\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DDAF2479-6F00-4599-998A-3ED75686C6D0}\1.0]

(Default) = "bridge 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg\CurVer]

(Default) = "Bridge.brdg.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg\CLSID]

(Default) = "{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg]

(Default) = "brdg Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg.1\CLSID]

(Default) = "{9C691A33-7DDA-4C2F-BE4C-C176083F35CF}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Bridge.brdg.1]

(Default) = "brdg Class"

Other details

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

Russian Federation

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