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Virus Profile: RDN/Generic BackDoor!ra!391EB2BB44B1

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/23/2013
Date Added: 6/23/2013
Origin: Unknown
Length: 503808
Type: Trojan
Subtype: -
DAT Required: 7115
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 DetectionRDN/Generic BackDoor!ra
Length503808 bytes
MD5391eb2bb44b1a29fdbe0c38f87fe4962
SHA1bb75346f9035065405d5affe6230ec6ebe0def04


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareTrojan.GenericKDZ.13275 (B)
avastWin32:Downloader-NEF
AVG (GriSoft)SHeur4.BDXF
aviraTR/Agent.30320458
BitDefenderTrojan.GenericKDZ.13275
Dr.WebTrojan.PWS.Gamania.40048
eSafe (Alladin)Suspicious file
F-ProtW32/KillAV.AU.gen!Eldorado
FortiNetW32/Farfli.TG!tr
SymantecBackdoor.Trojan
Eseta variant of Win32/Farfli.TG
pandaTrj/dtcontx.C
risingBackdoor.Farfli!4858
vba32SScope.Trojan.KillAV.13507
V-BusterSuspicious!SA (sequence)

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Enumerates process listLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic BackDoor!ra
McAfee SupportedRDN/Generic BackDoor!ra



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:

BB75346F9035065405D5AFFE6230EC6EBE0DEF04

The following files have been added to the system:

  • %PROGRAMFILES%\Ruyjyo obqkg\Yhoecmr.exe

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

  • C:\5292.vbs

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS SCRIPT HOST\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS SCRIPT HOST\SETTINGS\
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\GSICKW IAFESA\
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\RUIASG MZAEMRVO\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\GSICKW IAFESA\CONNECTGROUP = 6.2
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\GSICKW IAFESA\DESCRIPTION = Eigckd qcqagaub aknncayrnoy
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\GSICKW IAFESA\MARKTIME = 2012-11-15 20:01
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\RUIASG MZAEMRVO\RELEICENAME = Gsickw iafesa

The applications attempted the following network connection(s):

  • [local subnet].100:789
  • 219.235.1.***:8000
  • hxxp://user.qzone.qq.com/*****
  • 70.96.0.*:80

   

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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