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RDN/Downloader.a!tv!D​27B0455176A

This page shows details and results of our analysis on the malware RDN/Downloader.a!tv!D27B0455176A

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Threat Detail

  • Malware Type: Trojan
  • Malware Sub-type: N/A
  • Protection Added: 2014-11-25

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

43008

Description Added

2014-11-25

Description Modified

2014-11-25

Malware Proliferation

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Downloader.a!tv
Length43008 bytes
MD5d27b0455176a92a29d6132e0e6f39606
SHA137914f246c0e39480aa716742d3ddb4ad21cf51f


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Trojan-gen
AVG (GriSoft)Downloader.Generic14.FGF
aviraTR/Crypt.Xpack.105706
KasperskyUDS:DangerousObject.Multi.Generic
EsetWin32/TrojanDownloader.Elenoocka.A
pandaTrj/Genetic.gen
SophosTroj/Agent-AKHD

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/Downloader.a!tv
McAfee SupportedRDN/Downloader.a!tv



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:

d27b0455176a92a29d6132e0e6f39606.bin

The following files have been added to the system:

  • %APPDATA%\Microsoft\Templates\~$Normal.dot
  • %APPDATA%\Microsoft\Office\Recent\Temp.LNK
  • %APPDATA%\Microsoft\Office\Recent\d27b0455176a92a29d6132e0e6f39606.rtf.LNK
  • %TEMP%\~$7b0455176a92a29d6132e0e6f39606.rtf
  • %TEMP%\~DF5FAE.tmp
  • %TEMP%\d27b0455176a92a29d6132e0e6f39606.rtf
  • %TEMP%\temp_cab_163140.cab

The following files have been changed:

  • %APPDATA%\Microsoft\Office\Recent\index.dat

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\COMMON\REVIEWCYCLE\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\MODI\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\MODI\MDI WRITER\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\DOCUMENTRECOVERY\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\DOCUMENTRECOVERY\2897A\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\STARTUPITEMS\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\COMMON\INSTALLROOT\UE\{901[private subnet]-11D3-8CFE-0150048383C9} = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\COMMON\REVIEWCYCLE\REVIEWTOKEN = {7FAB494D-6923-4594-83B5-3C0BD48B84BC}
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\MODI\MDI WRITER\REGVERSION = 3
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\MTTT = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\DOCUMENTRECOVERY\2897A\2897A = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\STARTUPITEMS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\STARTUPITEMS\]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\RESILIENCY\STARTUPITEMS\G
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\COMMON\ASSISTANT\CURRASSTSTATE = 38
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INSTALLER\USERDATA\S-1-5-18\PRODUCTS\90401[private subnet]C8EF[private subnet]C\WORDFILES = 1130496004

The applications attempted the following network connection(s):

  • hxxp://windowsupdate.microsoft.com/

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

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.

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.