RDN/Generic.bfr!el!A7​4F95814887

This page shows details and results of our analysis on the malware RDN/Generic.bfr!el!A74F95814887

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 Engine

5600.1067

File Length

384000

Description Added

2013-06-17

Description Modified

2013-06-17

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.bfr!el
Length384000 bytes
MD5a74f9581488776944be8d487a131e720
SHA13c3d2f06f5225e19e1fdad05e4b237781c0e0bcb


Other Common Detection Aliases

Company NamesDetection Names
ahnlabTrojan/Win32.Injector
avastWin32:Inject-ABL
AVG (GriSoft)Generic20.OEV (Trojan horse)
aviraDR/Delphi.Gen
KasperskyTrojan.Win32.Jorik.Xtrat.ckz
BitDefenderTrojan.DelfInject.R
clamavTrojan.Buzus-9262
Dr.WebTrojan.DownLoader5.14856
F-ProtW32/Injector.T.gen!Eldorado
FortiNetW32/Buzus.GQ!tr
MicrosoftBackdoor:Win32/Xtrat.B
SymantecW32.Extrat
EsetWin32/Delf.PVM
normanwinpe/Xtreme.J
pandaGeneric Malware
SophosMal/Behav-328
vba32Malware-Cryptor.Inject.gen
V-BusterTrojan.Buzus.Gen.2 (trojan)
Vet (Computer Associates)Win32/Xtrat.AM!genus

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Attempts to launch an instance of Internet Explorer.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic.bfr!el
McAfee SupportedRDN/Generic.bfr!el



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:

qqsr.exe

The following files have been added to the system:

  • %TEMP%\3C3D2F06F5225E19E1FDAD05E4B237781C0E0BCB

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

  • %TEMP%\1.html

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\CONFIGS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{5460C4DF-B266-909E-CB58-E32B79832EB2}\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\CONFIGS\INSTALLEDSERVER = %TEMP%\3C3D2F06F5225E19E1FDAD05E4B237781C0E0BCB
  • HKEY_CURRENT_USER\SOFTWARE\CONFIGS\MYCONFIGS = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\HKCU = %PROGRAMFILES%\Internet Explorer\iexplore.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{5460C4DF-B266-909E-CB58-E32B79832EB2}\STUBPATH = %WINDIR%\SYSTEM32\InstallDir\qqsr.exe restart
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\HKLM = %WINDIR%\SYSTEM32\InstallDir\qqsr.exe

The applications attempted the following network connection(s):

  • 197.153.35.**:82

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

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.

Variants