Generic BackDoor!D6AB32FAAE9E

This page shows details and results of our analysis on the malware Generic BackDoor!D6AB32FAAE9E

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 DAT

7342 (2014-02-07)

Updated DAT

7342 (2014-02-07)

Minimum Engine

5600.1067

File Length

612653

Description Added

2014-02-08

Description Modified

2014-02-08

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric BackDoor
Length612653 bytes
MD5d6ab32faae9e5ffd176b83aec14393a2
SHA14e8402b3f79430b86c70e8bfd9b19fcebafc186b


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Graftor.115354 (B)
ahnlabBackdoor/Win32.Plite
avastWin32:Dropper-NEN [Drp]
AVG (GriSoft)Generic35.QY.dropper
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Graftor.115354
Dr.WebTrojan.AVKill.33096
F-ProtW32/Urelas.E2.gen.gen!Eldorado
FortiNetW32/Urelas.O!tr
MicrosoftTrojan:Win32/Gupboot.B
Eseta variant of Win32/Urelas.S
normanGupboot.A
pandaTrj/Genetic.gen
risingPE:Trojan.Gupboot!1.9CEA
vba32BScope.Backdoor.Gulf
V-BusterTrojan.Zusy!AGLPUGALKaE (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
McAfee SupportedGeneric BackDoor



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:

4E8402B3F79430B86C70E8BFD9B19FCEBAFC186B

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\ybbuv.exe
  • %TEMP%\ydvaf.exe
  • %TEMP%\golfinfo.ini

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

  • %TEMP%\_uinsey.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\RUN = %WINDIR%\SYSTEM32\ybbuv.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\TRAYKEY = ydvaf

The applications attempted the following network connection(s):

  • 1.234.83.***:11180
  • 218.54.31.***:11110

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

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: http://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

Variants