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

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Submission Summary:

Submission details:

Submission received: 10 December 2008, 12:44:33
Processing time: 6 min 55 sec
Submitted sample:

File MD5: 0x02266FBB0354754515AC2F56F16C4E18
File SHA-1: 0xA382C2AABA9A61A15BCEE736FB448023679473B1
Filesize: 16,384 bytes
Alias & packer info:

not-a-virus:AdWare.Win32.E404.jd [Kaspersky Lab]
packed with: PE_Patch.UPX [Kaspersky Lab]

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 files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\44r4354.bat	154 bytes	MD5: 0x41C4E7E9EF49E3F8B49E2C93B80E9D69 SHA-1: 0xBCD3CDDB23F202F28F5F756868D8D5E856693F3B	(not available)
2	%System%\351631\351631.dll	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]
3	[file and pathname of the sample #1]	16,384 bytes	MD5: 0x02266FBB0354754515AC2F56F16C4E18 SHA-1: 0xA382C2AABA9A61A15BCEE736FB448023679473B1	not-a-virus:AdWare.Win32.E404.jd [Kaspersky Lab] packed with PE_Patch.UPX [Kaspersky Lab]

Note:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

The following directory was created:

%System%\351631

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]	40,960 bytes

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\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) = "%System%\351631\351631.dll"
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) = "%System%\351631\351631.dll"

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

(Default) = "%System%\351631\"

[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\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

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

DBWinMutex

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