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Virus Profile: Generic.dx!b2nv!B9298431E3B5

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/12/2012
Date Added: 12/12/2012
Origin: Unknown
Length: 933383
Type: Trojan
Subtype: -
DAT Required: 6923
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Indication of Infection

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx!b2nv
Length933383 bytes
MD5b9298431e3b5997990d336c253c44281
SHA1aa809e52e1642ac4535f46043f258313b672c177


Other Common Detection Aliases

Company NamesDetection Names
FortiNetW32/Dx.B2NV!tr
SymantecTrojan.ADH.2
risingTrojan.Win32.Generic.1254EF8F

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Adds or modifies Shell Open registry value. Could be used to launch a program on startup.Medium
Creates one or more shortcuts (.LNK files) to provide user accessible links to start a program usually form the desktop or start menu.Low
Enumerates many system files and directories.Low
Adds or modifies a COM object.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric.dx!b2nv
McAfee SupportedGeneric.dx!b2nv



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

aa809e52e1642ac4535f46043f258313b672c177

The following files have been added to the system:

  • %PROGRAMFILES%\Xmlbar\Joy Downloader\updater.exe
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\IEBar\config\defaults\XBIEBar.xml
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\IEBar\config\Chinese Simplified\XBIEBar.xml
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\IEBar\xbietb.dll
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\config\proxyrules.ini
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\proxyrules.ini
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\IEBar\config\defaults\xmlbar.bmp
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\JoyDownloader(xmlbar).exe
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\xmlbarver.ini
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\swfobject.js
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\config\FlvRules.ini
  • %USERPROFILE%\Desktop\¼¤¶¯ÍøÊÓƵÏÂÔØ(xmlbar).lnk
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\Uninstall.exe
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\FlvRules.ini
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\History
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\language\Chinese Simplified.lng
  • %USERPROFILE%\Start Menu\Programs\¼¤¶¯ÍøÊÓƵÏÂÔØ(xmlbar)\жÔؼ¤¶¯ÍøÊÓƵÏÂÔØ.lnk
  • %APPDATA%\Joy Downloader(xmlbar)\appdata\mediaplayer.swf
  • %TEMP%\TFR19.tmp
  • %TEMP%\nsw4.tmp
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\language\English.lng
  • %USERPROFILE%\Start Menu\Programs\¼¤¶¯ÍøÊÓƵÏÂÔØ(xmlbar)\¼¤¶¯ÍøÊÓƵÏÂÔØ.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\¼¤¶¯ÍøÊÓƵÏÂÔØ(xmlbar).lnk
  • %PROGRAMFILES%\Xmlbar\Joy Downloader\config\Type.ini

The following files were temporarily written to disk then later removed:

  • %TEMP%\nsg7.tmp
  • %TEMP%\nsq3.tmp
  • %TEMP%\nsg7.tmp\InstallOptions.dll
  • %TEMP%\nsg7.tmp\modern-wizard.bmp
  • %TEMP%\nsg7.tmp\ioSpecial.ini
  • %TEMP%\nsg7.tmp\CloseFlvDownload.dll

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MENUEXT\ÏÝÂÓ&XMLBARËÑË÷\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\FLVDOWNLOADER\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\FLVDOWNLOADER\IEBAR\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\CONFIG\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\DOWNLOADED\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\IEBAR\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\IELISTCTRL\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\JOB\
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\SETTINGS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\IMPLEMENTED CATEGORIES\{7DD95801-9882-11CF-9FA9-00\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\IMPLEMENTED CATEGORIES\{7DD95802-9882-11CF-9FA9-00\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\PROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\PROGRAMMABLE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\TYPELIB\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\VERSIONINDEPENDENTPROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{A4FC7CF5-06C2-486E-A27B-5D6E1FB57B14}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{A4FC7CF5-06C2-486E-A27B-5D6E1FB57B14}\PROXYSTUBCLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{A4FC7CF5-06C2-486E-A27B-5D6E1FB57B14}\PROXYSTUBCLSID32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{A4FC7CF5-06C2-486E-A27B-5D6E1FB57B14}\TYPELIB\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\1.0\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\1.0\0\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\1.0\0\WIN32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\1.0\FLAGS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\TYPELIB\{D4FB30ED-7DDB-4E2C-A7F2-C7B905D5D771}\1.0\HELPDIR\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XBIEBAR.XBIEBAROBJ.1\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XBIEBAR.XBIEBAROBJ.1\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XBIEBAR.XBIEBAROBJ\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XBIEBAR.XBIEBAROBJ\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XBIEBAR.XBIEBAROBJ\CURVER\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\DEFAULTICON\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\SHELL\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\SHELL\OPEN\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\SHELL\OPEN\COMMAND\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\DRAGDROP\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\DRAGDROP\{F714027E-66D4-4335-9935-4A96469F6EA2}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\ELEVATIONPOLICY\{F714027E-66D4-4335-9935-4A96469F6EA2}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\XMLBAR JOYDOWNLOADER\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MENUEXT\ÏÝÂÓ&XMLBARËÑË÷\CONTEXTS = 16
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\FLVDOWNLOADER\IEBAR\CURPATH = %PROGRAMFILES%\Xmlbar\Joy Downloader\IEBar\xbietb.dll
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\FLVDOWNLOADER\IEBAR\ID = F79C1BF5438C450DA43C116F5CA257B34074072D
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\INSTALL_DIR = %PROGRAMFILES%\Xmlbar\Joy Downloader
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\IEBAR\AFFID = cn
  • HKEY_CURRENT_USER\SOFTWARE\XMLBAR\JOYDOWNLOADER\SETTINGS\PROGLOCATION = %PROGRAMFILES%\Xmlbar\Joy Downloader\JoyDownloader(xmlbar).exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{6B896ADB-4A82-46E2-858C-13134782CE34}\INPROCSERVER32\THREADINGMODEL = Apartment
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\INTERFACE\{A4FC7CF5-06C2-486E-A27B-5D6E1FB57B14}\TYPELIB\VERSION = 1.0
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\XMLBAR\URL PROTOCOL
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\BUTTONTEXT = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\CLSID = {1FBA04EE-3024-11d2-8F1F-0000F87ABD16}
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\DEFAULT VISIBLE = Yes
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\EXEC = %PROGRAMFILES%\Xmlbar\Joy Downloader\JoyDownloader(xmlbar).exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\HOTICON = %PROGRAMFILES%\Xmlbar\Joy Downloader\JoyDownloader(xmlbar).exe,129
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\ICON = %PROGRAMFILES%\Xmlbar\Joy Downloader\JoyDownloader(xmlbar).exe,128
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\MENUSTATUSBAR = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\EXTENSIONS\{612F6E5C-B314-4BAB-93D1-D266AAFBE700}\MENUTEXT = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\DRAGDROP\{F714027E-66D4-4335-9935-4A96469F6EA2}\APPNAME = JoyDownloader(xmlbar).exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\DRAGDROP\{F714027E-66D4-4335-9935-4A96469F6EA2}\APPPATH = %PROGRAMFILES%\Xmlbar\Joy Downloader
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\DRAGDROP\{F714027E-66D4-4335-9935-4A96469F6EA2}\POLICY = 3
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\ELEVATIONPOLICY\{F714027E-66D4-4335-9935-4A96469F6EA2}\APPNAME = JoyDownloader(xmlbar).exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\ELEVATIONPOLICY\{F714027E-66D4-4335-9935-4A96469F6EA2}\APPPATH = %PROGRAMFILES%\Xmlbar\Joy Downloader
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\LOW RIGHTS\ELEVATIONPOLICY\{F714027E-66D4-4335-9935-4A96469F6EA2}\POLICY = 3
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\{6B896ADB-4A82-46E2-858C-13134782CE34} = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\XMLBAR JOYDOWNLOADER\DISPLAYNAME = [binary data]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\XMLBAR JOYDOWNLOADER\UNINSTALLSTRING = "%PROGRAMFILES%\Xmlbar\Joy Downloader\Uninstall.exe"
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\nsg7.tmp\

The applications attempted the following network connection(s):

  • 173.252.216.***:80
  • 58.221.57.***:80
  • hxxp://www.xmlbar.com/*****
  • 119.42.227.***:80

   

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.