RDN/Generic.dx!b2r!4E​1A5467C5FB

This page shows details and results of our analysis on the malware RDN/Generic.dx!b2r!4E1A5467C5FB

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

7060 (2013-04-29)

Updated DAT

7060 (2013-04-29)

Minimum Engine

5400.1158

File Length

93001

Description Added

2013-04-29

Description Modified

2013-04-29

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.dx!b2r
Length93001 bytes
MD54e1a5467c5fb26db2a8dae068c0517ce
SHA10733df04044e20315631c82859654024063ead82


Other Common Detection Aliases

Company NamesDetection Names
aviraTR/Crypt.XPACK.Gen5
KasperskyTrojan.Win32.Sefnit.c
Dr.WebTrojan.MulDrop4.11744
FortiNetW32/Sefnit.J!tr
Microsofttrojan:win32/sefnit.o
SymantecTrojan.Sefnit!gen3
SophosTroj/Sefnit-J

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic.dx!b2r
McAfee SupportedRDN/Generic.dx!b2r



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:

0733DF04044E20315631C82859654024063EAD82

The following files have been added to the system:

  • %USERPROFILE%\Local Settings\Application Data\CdWebCres\EapapiTime.dll

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

  • %TEMP%\ClipobjMusic.dll
  • %TEMP%\nsv8.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\CLSID\
  • HKEY_CURRENT_USER\CLSID\{C34782CA-9A48-45EE-BEAA-78B765FA255A}\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\CLSID\{C34782CA-9A48-45EE-BEAA-78B765FA255A}\ASYNCWIUSB = 8VoqxClOVymT1C6TuP5DI0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\EAPAPITIME = rundll32.exe "%USERPROFILE%\Local Settings\Application Data\CdWebCres\EapapiTime.dll",UtilWIdlg fxMainHelper

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