Generic.dx!3F7A2650AE​02

This page shows details and results of our analysis on the malware Generic.dx!3F7A2650AE02

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 Engine

5600.1067

File Length

1666532

Description Added

2014-07-15

Description Modified

2014-07-15

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx
Length1666532 bytes
MD53f7a2650ae02d420e9ad6299f5bd7da9
SHA16569689c50bc512047cddab3850dfb6fca6a3f88


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Malware-gen
aviraTR/Kazy.onbeubanh
KasperskyTrojan-Clicker.Win32.Agent.bauf
BitDefenderGen:Variant.Kazy.400976
pandaTrj/Genetic.gen
vba32TrojanClicker.JS.Agent

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Enumerates process listLow
Process attempts to call itself recursivelyLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric.dx
McAfee SupportedGeneric.dx



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:

6569689C50BC512047CDDAB3850DFB6FCA6A3F88

The following files have been added to the system:

  • %TEMP%\nsg1A.tmp
  • %TEMP%\nsx1E.tmp\nsExec.dll
  • %TEMP%\nsa9.tmp\System.dll
  • %TEMP%\nsx1E.tmp\ns21.tmp

The following files have been deleted:

  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\Modules
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900

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

  • %TEMP%\nsx1E.tmp\ns1F.tmp
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\Runner.xml
  • %TEMP%\nsx1E.tmp\ns20.tmp
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\Update.xml
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\msvcr110.dll
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\Modules\InSes.dll
  • %TEMP%\nsv8.tmp
  • %TEMP%\nsx1D.tmp
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\msvcp110.dll
  • %TEMP%\nsa9.tmp
  • %TEMP%\FDF719AE-FE59-6103-0300-0C0000C900\HelpRunnner.exe
  • %TEMP%\nsx1E.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\IDLE-CRAWLER\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\IDLE-CRAWLER\ID
  • HKEY_CURRENT_USER\SOFTWARE\IDLE-CRAWLER\RUNMODE = 1
  • HKEY_CURRENT_USER\SOFTWARE\IDLE-CRAWLER\SVCID = 0d827c033fb44220bbe51326486d9173
  • HKEY_CURRENT_USER\SOFTWARE\IDLE-CRAWLER\VERSION = 65

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