ThreatExpert Report: Trojan.ADH.2, Trojan.Win32.StartPage.axsg, Generic.dx!bfb4..

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Submission Summary:

Submission details:

Submission received: 14 September 2012, 22:55:09
Processing time: 9 min 13 sec
Submitted sample:

File MD5: 0x341FDB0DEF29BCCD56387E2289D79D07
File SHA-1: 0x6007F67380426EAB6262BE262D07019383A3EB4A
Filesize: 187,463 bytes
Alias:

Trojan.ADH.2 [Symantec]
Trojan.Win32.StartPage.axsg [Kaspersky Lab]
Generic.dx!bfb4 [McAfee]
Trojan.Win32.StartPage [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Registers a 32-bit in-process server DLL.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%ProgramFiles%\bf50c19e\bab0bcfe.dll	110,592 bytes	MD5: 0x2A56C720F5818BFC4E89313B993FFDFD SHA-1: 0x916A7CD1E43D86EFC79342F2E5D06F7B58AA68E1	Trojan.Startpage [Symantec] Trojan.Win32.StartPage.axsg [Kaspersky Lab] Generic StartPage!b2s [McAfee] Trojan.Win32.StartPage [Ikarus]
2	%ProgramFiles%\Internet Explorer\b60eb85f.dat	144,384 bytes	MD5: 0xA1384C28B94C76D59355D39F455F4A7A SHA-1: 0x0A8177D107CFF2E8CC366B03AAC27D76352BA7E0	Trojan.Gen.2 [Symantec] Generic PUP.z!oj [McAfee]
3	[file and pathname of the sample #1]	187,463 bytes	MD5: 0x341FDB0DEF29BCCD56387E2289D79D07 SHA-1: 0x6007F67380426EAB6262BE262D07019383A3EB4A	Trojan.ADH.2 [Symantec] Trojan.Win32.StartPage.axsg [Kaspersky Lab] Generic.dx!bfb4 [McAfee] Trojan.Win32.StartPage [Ikarus]

Note:

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

The following directory was created:

%ProgramFiles%\bf50c19e

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]	3,850,240 bytes

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
b60eb85f.dat	%ProgramFiles%\Internet Explorer\b60eb85f.dat	Process name: IEXPLORE.EXE Process filename: %ProgramFiles%\internet explorer\iexplore.exe Address space: 0xF80000 - 0xFA8000

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\UniNode2610
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\about
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\about\{abb8ae34-b090-df95-951B-9EA34E34E8CC}
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\http
HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\http\{abb8ae34-b090-df95-951B-9EA34E34E8CC}
HKEY_CURRENT_USER\Software\NetCube2012
HKEY_CURRENT_USER\Software\UniNode2610

The following Registry Key was deleted:

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\VersionIndependentProgID]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\TypeLib]

(Default) = "{B351EBAF-7DD8-4ae9-A7FF-3628D157D82E}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\Programmable]

1 = "1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\ProgID]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df81-231A-75A15E78F64A}\InprocServer32]

(Default) = "%ProgramFiles%\bf50c19e\bab0bcfe.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\VersionIndependentProgID]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\TypeLib]

(Default) = "{04F7BD61-E11D-4BB3-B6FE-B730BCA713D4}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\Programmable]

1 = "1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\ProgID]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}\InprocServer32]

(Default) = "b60eb85f.dat"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{abb8ae34-b090-df95-951B-9EA34E34E8CC}]

(Default) = "Windows HttpFilter"

[HKEY_LOCAL_MACHINE\SOFTWARE\UniNode2610]

(Default) = "abb8ae34-b090-df"
setup = 0x50541842

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]

Enable Browser Extensions = "No"

[HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\about\{abb8ae34-b090-df95-951B-9EA34E34E8CC}]

CLSID = "{abb8ae34-b090-df95-951B-9EA34E34E8CC}"

[HKEY_CURRENT_USER\Software\Classes\PROTOCOLS\Name-Space Handler\http\{abb8ae34-b090-df95-951B-9EA34E34E8CC}]

CLSID = "{abb8ae34-b090-df95-951B-9EA34E34E8CC}"

[HKEY_CURRENT_USER\Software\NetCube2012]

(Default) = "abb8ae34-b090-df"
setup = 0x50541843

[HKEY_CURRENT_USER\Software\UniNode2610]

(Default) = "abb8ae34-b090-df"

The following Registry Value was deleted:

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks]

{CFBFAE00-17A6-11D0-99CB-00C04FD64497} = ""

Other details

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

China

To mark the presence in the system, the following Mutex object was created:

{0A53-3497-12d3-A180-2143}

The data identified by the following URLs was then requested from the remote web server:

http://www.go2easy.com/iso/isoversion_v1.xml
http://www.go2easy.com/iso/isoconfig_v1.xml

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