RDN/Generic BackDoor!b2q!86218CA5D888

RDN/Generic BackDoor!b2q!86218CA5D888

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


File Length


Description Added


Description Modified


Malware Proliferation

This is a Trojan

File PropertiesProperty Values
McAfee DetectionRDN/Generic BackDoor!b2q
Length94208 bytes

Other Common Detection Aliases

Company NamesDetection Names

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
Enumerates process listLow
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 BackDoor!b2q
McAfee SupportedRDN/Generic BackDoor!b2q

System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files

The following files were analyzed:


The following registry elements have been created:


The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\T3A7JZBN = C:\RECYCLER.{[SID]}\S-1-5-21-0243556031-888888379-781862338-18617712\T4tjbn3.exe
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNONCE\T3A7JZBN = C:\RECYCLER.{[SID]}\S-1-5-21-0243556031-888888379-781862338-18617712\T4tjbn3.exe

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.

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.

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