ThreatExpert Report: JS.MultiPlug

Submission Summary:

Submission details:

Submission received: 6 September 2012, 14:30:36
Processing time: 8 min 30 sec
Submitted sample:

File MD5: 0x2DD86A09D5FFD3FE515060D89129D6F6
File SHA-1: 0xACA93B5CFBA83425ABD7F64E89526AE73FF2BC6D
Filesize: 263,730 bytes

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).

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonAppData%\DownloadnSave\background.html	4,312 bytes	MD5: 0xC75CD1C05F4789FE07BAF965D65758CA SHA-1: 0x4F20610C703947CF9A994F9EFD2CF0A0AB2F198E	(not available)
2	%CommonAppData%\DownloadnSave\bhoclass.dll	168,448 bytes	MD5: 0x474A025909C75C607905B9E2CAE8A56F SHA-1: 0x83ED7383C8AA53C6134A2B0A701B7B272C5C7C1E	(not available)
3	%CommonAppData%\DownloadnSave\content.js	387 bytes	MD5: 0xFB8AA5FDB4DCF1F0A69BBDB5CDC9A8D7 SHA-1: 0x21224AF1CADFF04655AE5856D75B651306716820	JS.MultiPlug [Ikarus]
4	%CommonAppData%\DownloadnSave\mdcdiedfgjmmgbpapmnnccilingbjgin.crx	3,852 bytes	MD5: 0x63749DCB69DB50C901A836167C09839B SHA-1: 0x2FFF676F8607272BB8D8BF761009EF332E00AE98	(not available)
5	%CommonAppData%\DownloadnSave\settings.ini	926 bytes	MD5: 0x334E442CE18DE9DBBFF6D0442AE7E206 SHA-1: 0x290B2427B606959454CE28092716D0194F68901A	(not available)
6	%CommonAppData%\DownloadnSave\uninstall.exe	49,730 bytes	MD5: 0xA724DAC649142FEF71FE4B529684E969 SHA-1: 0xE2878E84886EC53A1332AD969A825062526B5CD4	(not available)
7	%CommonPrograms%\DownloadnSave\DownloadnSave.lnk	302 bytes	MD5: 0x0162758EC10094178CE7028D2CE5D477 SHA-1: 0xE28781B4445FED2518AA8F3FD82B346A0B298E85	(not available)
8	%CommonPrograms%\DownloadnSave\Uninstall.lnk	1,166 bytes	MD5: 0x7A688A6CFB0F938A0B3D561C91F8DA6E SHA-1: 0x38C08D8D5B3A5787278E351119C5EEB015AFB818	(not available)
9	[file and pathname of the sample #1]	263,730 bytes	MD5: 0x2DD86A09D5FFD3FE515060D89129D6F6 SHA-1: 0xACA93B5CFBA83425ABD7F64E89526AE73FF2BC6D	(not available)

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%CommonPrograms% is a variable that refers to the file system directory that contains the directories for the common program groups that appear on the Start menu for all users. A typical path is C:\Documents and Settings\All Users\Start Menu\Programs (Windows NT/2000/XP).

The following directories were created:

%CommonAppData%\DownloadnSave
%CommonAppData%\DownloadnSave\data
%CommonPrograms%\DownloadnSave

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	163,840 bytes
setup.exe	%Temp%\7zS1.tmp\setup.exe	258,048 bytes

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll.1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll.1.0\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A8B0DBDE-8119-48B0-8088-D12DA01C36BA}
HKEY_LOCAL_MACHINE\SOFTWARE\Google
HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome
HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions
HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\mdcdiedfgjmmgbpapmnnccilingbjgin

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\VersionIndependentProgID]

(Default) = "bhoclass.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\ProgID]

(Default) = "bhoclass.dll.1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}\InprocServer32]

(Default) = "%CommonAppData%\DownloadnSave\bhoclass.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}]

(Default) = "DownloadnSave Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\TypeLib]

(Default) = "{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\ProxyStubClsid32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}\ProxyStubClsid]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{BBA74401-6D6F-4BBD-9F65-E8623814F3BB}]

(Default) = "IInjectorBHO"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\TypeLib]

(Default) = "{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\ProxyStubClsid32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}\ProxyStubClsid]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{D2F39980-399F-492E-8D88-5FF7CCB3B47F}]

(Default) = "ILocalStorage"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\0\win32]

(Default) = "%CommonAppData%\DownloadnSave\bhoclass.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\HELPDIR]

(Default) = "%CommonAppData%\DownloadnSave"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{C2CF0D01-7657-48AA-98C9-AE5E64757FCC}\1.0]

(Default) = "Injector 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll\CurVer]

(Default) = "bhoclass.dll.1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll\CLSID]

(Default) = "{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll]

(Default) = "DownloadnSave"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll.1.0\CLSID]

(Default) = "{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.dll.bhoclass.dll.1.0]

(Default) = "DownloadnSave"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F}]

(Default) = "DownloadnSave"
NoExplorer = 0x00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext\CLSID]

{3D031F38-C2CA-BD7F-28CC-DC11BAFCC91F} = "1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A8B0DBDE-8119-48B0-8088-D12DA01C36BA}]

DisplayName = "DownloadnSave"
DisplayVersion = ""
Publisher = "DownloadnSave"
URLInfoAbout = "http://download-n-save.com"
DisplayIcon = "%CommonAppData%\DownloadnSave\uninstall.exe"
UninstallString = "%CommonAppData%\DownloadnSave\uninstall.exe /path=%CommonAppData%\DownloadnSave"
InstallDate = "20120805"
NoModify = 0x00000001
NoRepair = 0x00000001
CategoryName = "DownloadnSave"

[HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\mdcdiedfgjmmgbpapmnnccilingbjgin]

path = "%CommonAppData%\DownloadnSave\mdcdiedfgjmmgbpapmnnccilingbjgin.crx"
version = "1.0"

Other details

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

Israel

The following Host Name was requested from a host database:

192.5.5.241

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
192.5.5.241	1033

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
def.thebflix.info	80	(null)	(null)
getjpiproxy.info	80	(null)	(null)
thebflix.info	80	(null)	(null)

The following GET requests were made:

worker/init.js?ext=dnsave&pid=0&country=US
sync/?ext=dnsave&pid=0&country=US&bs=1&regd=120906181528&jsoncallback=getjson

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