Virus Profile: Generic StartPage!bhx!2420101AC819

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 1/16/2013
Date Added: 1/16/2013
Origin: Unknown
Length: 131072
Type: Trojan
Subtype: -
DAT Required: 6957
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 StartPage!bhx
Length131072 bytes
MD52420101ac819f6d58fb109a6261fc88b
SHA1985311ce7afb1077184173e53d97b17ab24fa699


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin-Trojan/StartPage.90120
avastWin32:Rootkit-gen
AVG (GriSoft)Startpage.QRS (Trojan horse)
aviraTR/StartPage.acw
KasperskyTrojan.Win32.StartPage.cuo
BitDefenderTrojan.Generic.936574
Dr.WebTrojan.StartPage.21726
F-ProtW32/Trojan2.EXTV
FortiNetW32/StartPage.CUO!tr
Microsofttrojan:win32/startpage.gen!a
SymantecTrojan.StartPage
EsetWin32/StartPage.BJJEADC trojan (probably variant)
normanW32/StartPage.CHXZ
risingTrojan.Win32.StartPage.mhd
Trend MicroPAK_Generic.001
vba32Trojan.Startpage.CUO
V-BusterTrojan.StartPage!9+R138P3ROE (trojan)

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


ActivitiesRisk Levels
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric StartPage!bhx
McAfee SupportedGeneric StartPage!bhx



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:

985311CE7AFB[private subnet]D97B17AB24FA699

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\cssrs.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS LOAD\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCEEX\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\START PAGE = www.muluwu.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS LOAD\TINTIMG = %WINDIR%\SYSTEM32\cssrs.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\MICROSOFT CSRSS = %WINDIR%\SYSTEM32\cssrs.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\MICROSOFT SYSTEM = %WINDIR%\SYSTEM32\cssrs.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\CTFMEN = %WINDIR%\SYSTEM32\cssrs.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\MICROSOFT SERVICE = %WINDIR%\SYSTEM32\cssrs.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCEEX\IMJPMG = %WINDIR%\SYSTEM32\cssrs.exe

   

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.

   

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