Virus Profile: Generic.bfr!w!3C74CD088CB0

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/20/2011
Date Added: 3/20/2011
Origin: Unknown
Length: 302216
Type: Trojan
Subtype: -
DAT Required: N/A
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.bfr!w
Length302216 bytes
MD53c74cd088cb05555d1a4ac63d7f7e217
SHA1a00c1eb93a53eb794a7de439de06e78bb0f3934e


Other Common Detection Aliases

Company NamesDetection Names
aviraDR/WinREG.StartPage.CQ.1
KasperskyTrojan.Winreg.Startpage.CQ
FortiNetREG/StartPage.CQ!tr
SymantecSuspicious.Insight
normanW32/Suspicious_Gen2.GTBQC (trojan)
risingTrojan.Win32.StartPage.psv
vba32Worm.Runfer.dqk
V-BusterTrojan.Startpage.ADPF

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


ActivitiesRisk Levels
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational



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:

A00C1EB93A53EB794A7DE439DE06E78BB0F3934E

The following files have been added to the system:

  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\(¿Õ)
  • %PROGRAMFILES%\TaoBao\info.desc

The following files have been deleted:

  • %TEMP%\is-BR2U6.tmp\_isetup
  • %TEMP%\is-BR2U6.tmp

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

  • %TEMP%\is-328A6.tmp\A00C1EB93A53EB794A7DE439DE06E78BB0F3934E.tmp
  • %PROGRAMFILES%\taobao\(¿Õ)
  • %TEMP%\is-BR2U6.tmp\_isetup\_RegDLL.tmp
  • %TEMP%\is-BR2U6.tmp\_isetup\_shfoldr.dll

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\CPMRU\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.\SHELL\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.\SHELL\OPEN\
  • HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\.\SHELL\OPEN\COMMAND\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\W2KLPK = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\CPMRU\ENABLE = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\CPMRU\FACTOR = 20
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\CPMRU\INITHITS = 100
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\INTERNATIONAL\CPMRU\SIZE = 10
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\START PAGE = https://www.hae123.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\WINDOW_PLACEMENT = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\LOCKED = 1

The applications attempted the following network connection(s):

  • hxxp://www.ttver.com/*****

   

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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