Generic.dx!bbmc!F3FA3​B3C8B00

This page shows details and results of our analysis on the malware Generic.dx!bbmc!F3FA3B3C8B00

Overview

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.


Minimum Engine

5600.1067

File Length

932811

Description Added

2011-10-31

Description Modified

2011-10-31

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx!bbmc
Length932811 bytes
MD5f3fa3b3c8b008c511a87bdff6a59d7de
SHA104ea8fa94c860d0507fad31480c0271c672ece78


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareTrojan.Win32.Vilsel!IK
avastWin32:Toolbar-B [PUP]
AVG (GriSoft)PSW.KeyLogger.CS
BitDefenderGen:Trojan.StartPage.4CZ@aCwzaHdi
clamavTrojan.Buzus-7623
Dr.WebTrojan.StartPage.38711
eSafe (Alladin)Virus in password protected archive
FortiNetW32/Malware_fam.NB
SymantecTrojan.ADH
EsetWin32/Adware.BHO.NJK
risingTrojan.Win32.Generic.1289CD2E
V-BusterBackdoor.Agent!60QWHyBMRlk

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer browser helper objects.Low
No digital signature is presentInformational


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



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:

04ea8fa94c860d0507fad31480c0271c672ece78

The following files have been added to the system:

  • %PROGRAMFILES%\SearchToolbar\Plugin\SearchBar.dll
  • %PROGRAMFILES%\SearchToolbar\Plugin\Uninstall.exe
  • %PROGRAMFILES%\SearchToolbar\Plugin\BandObjectLib.dll
  • %PROGRAMFILES%\SearchToolbar\Plugin\Interop.SHDocVw.dll

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

  • %TEMP%\setup08XP.exe
  • %TEMP%\nsj3.tmp
  • %TEMP%\nsu6.tmp\NSISdl.dll
  • %PROGRAMFILES%\SearchToolbar\Plugin\st.zip
  • %TEMP%\nsu6.tmp\ZipDLL.dll
  • %TEMP%\stff.zip
  • %TEMP%\nsu6.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\SEARCHSCOPES\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\SEARCHSCOPES\{18291348-B055-400E-8BCD-3B927FA9ED87}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\IMPLEMENTED CATEGORIES\{62C8FE65-4EBB-45E7-B440-6E\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\1.0.4044.22162\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\PROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\IMPLEMENTED CATEGORIES\{62C8FE65-4EBB-45E7-B440-6E\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\1.0.4044.22162\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\PROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\IMPLEMENTED CATEGORIES\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\IMPLEMENTED CATEGORIES\{00021494-0000-0000-C000-00\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\IMPLEMENTED CATEGORIES\{62C8FE65-4EBB-45E7-B440-6E\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\1.0.4044.22162\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\PROGID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\COMPONENT CATEGORIES\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.INITTOOLBARBHO\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.INITTOOLBARBHO\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.INSTALLERCLASS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.INSTALLERCLASS\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.TOOLBAR\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\SEARCHBAR.TOOLBAR\CLSID\
  • HKEY_LOCAL_MACHINE\SOFTWARE\HCI\
  • HKEY_LOCAL_MACHINE\SOFTWARE\HCI\HCI\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\83CED28E-B96A-43FC-A276-2AD7A48EB6BE\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\HCI\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\SEARCHTOOLBAR\
  • HKEY_LOCAL_MACHINE\SOFTWARE\SEARCHTOOLBARINC\
  • HKEY_LOCAL_MACHINE\SOFTWARE\SEARCHTOOLBARINC\SEARCHTOOLBAR\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\DEFAULT_PAGE_URL = http://81.29.214.174/Search.aspx
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\DEFAULT_SEARCH_URL = http://81.29.214.174/Search.aspx
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\DEFAULT_SECONDARY_PAGE_URL = http://81.29.214.174/Search.aspx
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\SEARCH PAGE = http://81.29.214.174/Search.aspx
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\START PAGE = http://81.29.214.174/Search.aspx
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\SEARCHSCOPES\{18291348-B055-400E-8BCD-3B927FA9ED87}\URL = http://81.29.214.174/Search.aspx?ct=it&key={searchTerms}&ref=PGTB&cg=e5673605b02a41c694e54d4b03688ab2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\CLASS = SearchBar.InitToolbarBHO
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\THREADINGMODEL = Both
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\1.0.4044.22162\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\1.0.4044.22162\CLASS = SearchBar.InitToolbarBHO
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\1.0.4044.22162\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\INPROCSERVER32\1.0.4044.22162\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\CLASS = SearchBar.InstallerClass
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\THREADINGMODEL = Both
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\1.0.4044.22162\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\1.0.4044.22162\CLASS = SearchBar.InstallerClass
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\1.0.4044.22162\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{AA247AF1-104E-3A0C-AA09-EA5762A40821}\INPROCSERVER32\1.0.4044.22162\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\HELPTEXT = SearchBar
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\MENUTEXT = SearchBar
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\CLASS = SearchBar.Toolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\THREADINGMODEL = Both
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\1.0.4044.22162\ASSEMBLY = SearchBar, Version=1.0.4044.22162, Culture=neutral, PublicKeyToken=a0ebf05e75e2c6d2
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\1.0.4044.22162\CLASS = SearchBar.Toolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\1.0.4044.22162\CODEBASE = file:///C:/Program Files/SearchToolbar/Plugin/SearchBar.DLL
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\CLSID\{C9A6357B-25CC-4BCF-96C1-78736985D412}\INPROCSERVER32\1.0.4044.22162\RUNTIMEVERSION = v2.0.50727
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\COMPONENT CATEGORIES\{62C8FE65-4EBB-45E7-B440-6E39B2CDBF29}\0 = .NET Category
  • HKEY_LOCAL_MACHINE\SOFTWARE\HCI\HCI\INSTPATH = %PROGRAMFILES%\SearchToolbar\Plugin
  • HKEY_LOCAL_MACHINE\SOFTWARE\HCI\HCI\XSWV = -1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\{C9A6357B-25CC-4BCF-96C1-78736985D412} = SearchBar
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1D970ED5-3EDA-438D-BFFD-715931E2775B}\NOEXPLORER = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\CLIENTGUID = e5673605b02a41c694e54d4b03688ab2
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\NOEXPLORER = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\83CED28E-B96A-43FC-A276-2AD7A48EB6BE\NOEXPLORER = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\HCI\DISPLAYNAME = HCI
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\SEARCHTOOLBAR\DISPLAYNAME = SearchToolbar
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\UNINSTALL\SEARCHTOOLBAR\UNINSTALLSTRING = %PROGRAMFILES%\SearchToolbar\Plugin\Uninstall.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\SEARCHTOOLBARINC\SEARCHTOOLBAR\INSTPATH = %PROGRAMFILES%\SearchToolbar\Plugin
  • HKEY_LOCAL_MACHINE\SOFTWARE\SEARCHTOOLBARINC\SEARCHTOOLBAR\XSWV = -1
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\nsu6.tmp\

The applications attempted the following network connection(s):

  • hxxp://81.29.214.174/*****

Symptoms

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

Method 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.

Removal

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.

Variants