ThreatExpert Report: Trojan.Popuper, not-a-virus:AdWare.Win32.E404.jd, Puper, Troj/BHO-IS

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Submission Summary:

Submission details:

Submission received: 10 December 2008, 12:47:25
Processing time: 5 min 37 sec
Submitted sample:

File MD5: 0x6B45D5BFC3293BC3B31EA4EA20DB216B
File SHA-1: 0x49A2BBDA63AF65C8F7E604DA7EC9D1E00A260C78
Filesize: 14,848 bytes
Alias:

Trojan.Popuper [PCTools]
not-a-virus:AdWare.Win32.E404.jd [Kaspersky Lab]
Puper [McAfee]
Troj/BHO-IS [Sophos]

Summary of the findings:

What's been found	Severity Level
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 risks were identified in the system:

Security Risk	Description
Trojan-Downloader.Zlob.AS	Trojan.Downloader.Zlob.AS belongs to a family of Zlob Trojans which attempt to hide themselves by injecting into other system processes or by registering themselves as a service process. The Trojan can also create folders in the Windows system directory and store downloaded files in these folders.
Trojan.Popuper	Trojan.Popuper hijacks the default Internet Explorer settings and changes your Internet Explorer homepage. It also appears as a security alert notifying users that their PC has been compromised and then downloads rogue antispyware products onto their PC.

Attention! The following threat category was identified:

Threat Category	Description
	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]	14,848 bytes	MD5: 0x6B45D5BFC3293BC3B31EA4EA20DB216B SHA-1: 0x49A2BBDA63AF65C8F7E604DA7EC9D1E00A260C78	Trojan.Popuper [PCTools] not-a-virus:AdWare.Win32.E404.jd [Kaspersky Lab] Puper [McAfee] Troj/BHO-IS [Sophos]

Memory Modifications

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 - 0x1000D000
[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: 0x10000000 - 0x1000D000

Notes:

[generic host process filename] is a full path filename of [generic host process].
%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\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr.1\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\zip.plugin
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\VersionIndependentProgID]

(Default) = "d666.d666mgr"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\TypeLib]

(Default) = "{E63648F7-3933-440E-AAAA-A8584DD7B7EB}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\ProgID]

(Default) = "d666.d666mgr.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}\InprocServer32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}]

(Default) = "351631 Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\TypeLib]

(Default) = "{E63648F7-3933-440E-B4F6-A8584DD7B7EB}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}\ProxyStubClsid]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{F7D09218-46D7-4D3D-9B7F-315204CD0836}]

(Default) = "Ie405mgr"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\0\win32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\HELPDIR]

(Default) = "%System%\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{E63648F7-3933-440E-B4F6-A8584DD7B7EB}\1.0]

(Default) = "351631 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr\CurVer]

(Default) = "d666.d666mgr.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr\CLSID]

(Default) = "{6A26574A-DD6D-4382-8C76-0DF06C478D3A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr]

(Default) = "351631 Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr.1\CLSID]

(Default) = "{6A26574A-DD6D-4382-8C76-0DF06C478D3A}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\d666.d666mgr.1]

(Default) = "351631 Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\zip.plugin]

UserId = "{CD1A40}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6A26574A-DD6D-4382-8C76-0DF06C478D3A}]

(Default) = "351631 helper"
NoExplorer = 0x00000001
NoZZZ = 0x00000001

Other details

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

Russian Federation

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