ThreatExpert Report: Adware.GameVance, GameVance

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Submission Summary:

Submission details:

Submission received: 31 May 2009, 02:16:31
Processing time: 5 min 56 sec
Submitted sample:

File MD5: 0x1D23B7B8066E1EB083BE6C9F11D2A286
File SHA-1: 0x9954C2EDF9A0526021CD4D6AD77A6342ACDFEF11
Filesize: 337,408 bytes
Alias:

Adware.GameVance [PCTools]
GameVance [McAfee]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Registers a 32-bit in-process server DLL.
Registers a Browser Helper Object (Microsoft's Internet Explorer plugin module).
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Adware.GameVance	Adware.GameVance is bundled and required to play games from the gamevance network. It regularly display advertisments. This software may be unwanted by some users.

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]	337,408 bytes	MD5: 0x1D23B7B8066E1EB083BE6C9F11D2A286 SHA-1: 0x9954C2EDF9A0526021CD4D6AD77A6342ACDFEF11	Adware.GameVance [PCTools] GameVance [McAfee]

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].

There was a new memory page created in the address space of the system process(es):

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

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: 0xAA0000 - 0xAF9000
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: IEXPLORE.EXE Process filename: %ProgramFiles%\internet explorer\iexplore.exe Address space: 0xF80000 - 0xFD9000

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\gvtl.dll
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{99778291-0DDA-4E7B-8DB4-762A3A1A5976}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker.1\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7370F91F-6994-4595-9949-601FA2261C8D}
HKEY_CURRENT_USER\Software\gvtl

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\gvtl.dll]

AppID = "{99778291-0DDA-4E7B-8DB4-762A3A1A5976}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{99778291-0DDA-4E7B-8DB4-762A3A1A5976}]

(Default) = "Gamevance"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\VersionIndependentProgID]

(Default) = "Gamevance.Linker"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\TypeLib]

(Default) = "{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\ProgID]

(Default) = "Gamevance.Linker.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}\InprocServer32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{7370F91F-6994-4595-9949-601FA2261C8D}]

(Default) = "Gamevance Text"
AppID = "{99778291-0DDA-4E7B-8DB4-762A3A1A5976}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\TypeLib]

(Default) = "{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\ProxyStubClsid32]

(Default) = "{00020420-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}\ProxyStubClsid]

(Default) = "{00020420-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A851C98A-6136-4B02-9EC7-22AAF33E7B97}]

(Default) = "_ILinkerEvents"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\TypeLib]

(Default) = "{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\ProxyStubClsid32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}\ProxyStubClsid]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{DA4B6A86-82E7-4A9E-ABB9-3B225BC214A4}]

(Default) = "ILinker"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\0\win32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\HELPDIR]

(Default) = "%Windir%\system32"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{1D22E9E4-F771-4B8D-AA68-BA04E8980E07}\1.0]

(Default) = "TextLinks 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker\CurVer]

(Default) = "Gamevance.Linker.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker\CLSID]

(Default) = "{7370F91F-6994-4595-9949-601FA2261C8D}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker]

(Default) = "Gamevance Text"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker.1\CLSID]

(Default) = "{7370F91F-6994-4595-9949-601FA2261C8D}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Gamevance.Linker.1]

(Default) = "Gamevance Text"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7370F91F-6994-4595-9949-601FA2261C8D}]

(Default) = "Gamevance Text"

[HKEY_CURRENT_USER\Software\gvtl]

uid = "71dc6c6b-a813-45e5-a584-9ececedeb316-XX"
cid = 0x00000000

Other details

To mark the presence in the system, the following Mutex objects were created:

oleacc-msaa-loaded
976DA11C-975B-487a-95E4-8177267D42CC

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
lu.gamevance.com	80	(null)	(null)

The following GET request was made:

config.php?p=Y2lkOjB8dWlkOjcxZGM2YzZiLWE4MTMtNDVlNS1hNTg0LTllY2VjZWRlYjMxNi1YWHxsaWQ6Mjg2fGpzczowfHNjMmMxOjB8c2MyYzI6MHxmbDpTaG9ja3dhdmVGbGFzaC5TaG9ja3dhdmVGbGFzaC4xfHRpOkE0OUtIdlRKWg%3D%3D

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