RDN/Generic.dx!crg!B6​3C53F4ACD0

This page shows details and results of our analysis on the malware RDN/Generic.dx!crg!B63C53F4ACD0

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

7212 (2013-09-28)

Updated DAT

7212 (2013-09-28)

Minimum Engine

5600.1067

File Length

155648

Description Added

2013-09-29

Description Modified

2013-09-29

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic.dx!crg
Length155648 bytes
MD5b63c53f4acd00ebbf6898ac6380bf1ab
SHA144fdae5bfe1f9784b1c63693a17ff31213b85e0e


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGeneric.Malware.P!Pk!g.0E42721B (B)
avastWin32:Tufik
AVG (GriSoft)Worm/Generic2.BVKL
aviraWORM/Rbot.Gen
KasperskyWorm.Win32.WhiteIce.d
BitDefenderGeneric.Malware.P!Pk!g.0E42721B
Dr.WebWin32.HLLW.Bice.8
F-ProtW32/Injector.A.gen!Eldorado
FortiNetW32/Delf.NRC!tr
MicrosoftWorm:Win32/DarkSnow.A
EsetWin32/Whiteice.B
normandoslegacy/Suspicious_F.E
risingTrojan.AntiAV!22D8
SophosMal/Behav-010
Trend MicroPAK_Generic.001
vba32Worm.Whiteice
V-BusterPacked/FSG (sequence)

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


ActivitiesRisk Levels
Modifies winlogon configuration settings in registryMedium
Adds or modifies winlogon shell registry value. Could be used to launch a program on startup.Medium
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


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



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:

44FDAE5BFE1F9784B1C63693A17FF31213B85E0E

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\kernel.dll
  • %WINDIR%\SYSTEM32\blackice.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\EXCEL\SECURITY\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\SECURITY\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\EXCEL\SECURITY\ACCESSVBOM = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\EXCEL\SECURITY\LEVEL = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\SECURITY\ACCESSVBOM = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\11.0\WORD\SECURITY\LEVEL = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\RUN = %WINDIR%\SYSTEM32\blackice.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\SHELL = Explorer.exe %WINDIR%\SYSTEM32\blackice.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INSTALLER\USERDATA\S-1-5-18\PRODUCTS\90401[private subnet]C8EF[private subnet]C\EXCELFILES = [private subnet]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\INSTALLER\USERDATA\S-1-5-18\PRODUCTS\90401[private subnet]C8EF[private subnet]C\WORDFILES = [private subnet]

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