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Virus Profile: Generic BackDoor.aeu!3D46B6F054F9

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 2/26/2013
Date Added: 2/26/2013
Origin: Unknown
Length: 672246
Type: Trojan
Subtype: -
DAT Required: 6997
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 BackDoor.aeu
Length672246 bytes
MD53d46b6f054f9d0d083286539641ce725
SHA1f47e2c77f70d42c0e75b86e235b9407c365b35c2


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Urelas-D
AVG (GriSoft)Win32/DH{AGcPNQE} (suspicious)
aviraBDS/Backdoor.Gen2
BitDefenderGen:Variant.Symmi.6014
clamavPUA.Win32.Packer.PrivateExeProte-15
Dr.WebTrojan.AVKill.24829
MicrosoftTrojan:Win32/Gupboot.B
SymantecBackdoor.Graybird
EsetWin32/Urelas.F trojan (variant)
normanW32/Troj_Generic.HTUGJ
SophosTroj/Backdr-IJ
Trend MicroTROJ_SPNR.30AI13
V-BusterTrojan.Urelas!2w5IikdFJHc (trojan)

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 cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric BackDoor.aeu
McAfee SupportedGeneric BackDoor.aeu



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:

F47E2C77F70D42C0E75B86E235B9407C365B35C2

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\kiebyuy.exe
  • %TEMP%\gbp.ini
  • %TEMP%\coluluy.exe
  • %TEMP%\~DFAD5.tmp

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

  • %WINDIR%\SYSTEM32\golfinfo.ini
  • %TEMP%\_uninsep.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\RUN = %WINDIR%\SYSTEM32\kiebyuy.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\SUBKEY = ~DFAD5

The applications attempted the following network connection(s):

  • 27.125.205.**:11170
  • 218.54.28.***:11180

   

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.