ThreatExpert Report: Win32.MultiPlug, JS.MultiPlug

Submission Summary:

Submission details:

Submission received: 17 August 2012, 15:59:29
Processing time: 8 min 15 sec
Submitted sample:

File MD5: 0xD13B42603E80D3ECBB5781E02DCA02D9
File SHA-1: 0xBEF5D86B53A0C7847A84FF57B2B39AE21F4B9A48
Filesize: 258,000 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	4,196 bytes	MD5: 0x55F6B14F7D1A8005CE5C06733B5BB315 SHA-1: 0xB336871A6FFCAE14C1A530BC3F351CDCA08B95E1	(not available)
2	%CommonAppData%\DownloadnSave\bhoclass.dll	142,848 bytes	MD5: 0x4B35F6C1F932F52FA9901FBC47B432DF SHA-1: 0x8E842BF068B04F36475A3BF86C5EA6A9839BBB5E	Win32.MultiPlug [Ikarus]
3	%CommonAppData%\DownloadnSave\bpjidfacnokgcgcapcnncjackefpdkei.crx	3,842 bytes	MD5: 0x0095D1051302D00B9978B96D2BD9D422 SHA-1: 0xE5C86AE5C0CCCFF7280ABCA7DB3F06B0E522E99F	(not available)
4	%CommonAppData%\DownloadnSave\content.js	389 bytes	MD5: 0xB6FC91DEEB53808FC84E99BBF91E17CB SHA-1: 0x30EB9DB8680AE91A5B8B0CDD4F25A12C311FB01A	JS.MultiPlug [Ikarus]
5	%CommonAppData%\DownloadnSave\settings.ini	675 bytes	MD5: 0xDFE9876E71B5F09FF85BBD2BC5A6C723 SHA-1: 0x33B2939817886FD7444E8CFB182DFFCEEA3A80FE	(not available)
6	%CommonAppData%\DownloadnSave\uninstall.exe	47,449 bytes	MD5: 0x8BE20144DBD200C6DE0C9430ED9280CF SHA-1: 0xB81E3AACAAEDD66EF0896ACABC6983C94758E2B4	(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: 0xFABFB698BF9094C62F6EA23917639A11 SHA-1: 0x02DEFE6FE343B12E46F918BE66B4E872A7692B0A	(not available)
9	c:\settings.ini	540 bytes	MD5: 0xEB91CB5B7E6428675EAD29C222A498B2 SHA-1: 0x5DAB51420FF360576144826B731C10A879BD0003	(not available)
10	[file and pathname of the sample #1]	258,000 bytes	MD5: 0xD13B42603E80D3ECBB5781E02DCA02D9 SHA-1: 0xBEF5D86B53A0C7847A84FF57B2B39AE21F4B9A48	(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	253,952 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\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\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.bho.bhoclass.bho
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.bho.bhoclass.bho\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.bho.bhoclass.bho\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.bho.bhoclass.bho.1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\bhoclass.bho.bhoclass.bho.1.0\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}
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\bpjidfacnokgcgcapcnncjackefpdkei

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\VersionIndependentProgID]

(Default) = "bhoclass.bho"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\ProgID]

(Default) = "bhoclass.bho.1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}\InprocServer32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}]

(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.bho.bhoclass.bho\CurVer]

(Default) = "bhoclass.bho.1.0"

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

(Default) = "{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}"

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

(Default) = "DownloadnSave"

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

(Default) = "{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}"

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

(Default) = "DownloadnSave"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F0526834-D6B2-BCFC-3F39-A2666E4B35AB}]

(Default) = "DownloadnSave"
NoExplorer = 0x00000001

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

{F0526834-D6B2-BCFC-3F39-A2666E4B35AB} = "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 = "20120517"
CategoryName = "Justplugit"
NoModify = 0x00000001
NoRepair = 0x00000001

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

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

Other details

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

Israel

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)
getjpit.info	80	(null)	(null)

The following GET requests were made:

worker/init.js?ext=dnsave&pid=162&country=US
sync/?ext=dnsave&pid=162&country=US&bs=1&regd=120817174841&jsoncallback=getjson

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.