RDN/Generic Downloader.x!ju!25AED​BEA4473

This page shows details and results of our analysis on the malware RDN/Generic Downloader.x!ju!25AEDBEA4473

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

7352 (2014-02-17)

Updated DAT

7352 (2014-02-17)

Minimum Engine

5600.1067

File Length

122880

Description Added

2014-02-17

Description Modified

2014-02-17

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic Downloader.x!ju
Length122880 bytes
MD525aedbea44733abce31fb18e292f1167
SHA1ba8cdd499c1c264fc2d9afc676e7341fd64f8293


Other Common Detection Aliases

Company NamesDetection Names
ahnlabTrojan/Win32.Androm
avastWin32:Malware-gen
KasperskyTrojan-Downloader.Win32.Andromeda.aiuq
SymantecSuspicious.Cloud.2
EsetWin32/Injector.AXOQ

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
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Generic Downloader.x!ju
McAfee SupportedRDN/Generic Downloader.x!ju



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:

BA8CDD499C1C264FC2D9AFC676E7341FD64F8293

The following files have been added to the system:

  • %TEMP%\~DFF4D1.tmp
  • %USERPROFILE%\nwtctqok.exe
  • %TEMP%\~DF434C.tmp

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

  • %TEMP%\2358.bat

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\MSCONFIG = "%USERPROFILE%\nwtctqok.exe"

The applications attempted the following network connection(s):

  • 103.15.106.**:443

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