Generic.dx!F40A5484E6​50

This page shows details and results of our analysis on the malware Generic.dx!F40A5484E650

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

111723

Description Added

2014-07-07

Description Modified

2014-07-07

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx
Length111723 bytes
MD5f40a5484e650530e65631db2245695c3
SHA177dc69fd95ffbed3ae318ba1f74bfcdbd5ef45ab


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Kazy.290442 (B)
avastWin32:Malware-gen
AVG (GriSoft)MSIL4.ICG.dropper (Trojan horse)
BitDefenderGen:Variant.Kazy.290442
clamavTrojan.Agent-298907
Dr.WebTrojan.DownLoader10.26326
FortiNetMSIL/Injector.CHE!tr
EsetMSIL/Injector.CHE trojan (probably variant)
normanSuspicious_Gen5.ASAUK
pandaTrj/CI.A
Trend MicroTROJ_GEN.R047H06G214

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
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:

77DC69FD95FFBED3AE318BA1F74BFCDBD5EF45AB

The following files have been added to the system:

  • %APPDATA%\45r.exe.tmp
  • C:\havroy.exe
  • %APPDATA%\45r.exe
  • %WINDIR%\microsoft.net\framework\v2.0.50727\config\security.config.cch
  • %WINDIR%\microsoft.net\framework\v2.0.50727\config\enterprisesec.config.cch

The following files have been deleted:

  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.1552.221015
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.1552.221015

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

  • C:\__tmp_rar_sfx_access_check_219750

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\9D153BF226C2CC7F06C12CFBCF259EDD\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49

The applications attempted the following network connection(s):

  • 37.105.216.**:501

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