Virus Profile: Generic.dx!81C7EF98D699

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 11/7/2013
Date Added: 11/7/2013
Origin: Unknown
Length: 1738024
Type: Trojan
Subtype: -
DAT Required: 7251
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx
Length1738024 bytes
MD581c7ef98d699fb7418eecde07decfc34
SHA1ca470a76798cbb9c913b9c4829d155bf43383951


Other Common Detection Aliases

Company NamesDetection Names
aviraAdware/iBryte.AM.5
Dr.WebAdware.Downware.1554
FortiNetRiskware/PremiumInstaller
EsetWin32/Kryptik.BLXE trojan (variant)
SophosiBryte Optimum Installer (PUA)
vba32Trojan.Buzus
V-BusterTrojan.Buzus!+3nhUGa+ocs (trojan)

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


ActivitiesRisk Levels
Attempts to download an executable file from the web.Medium
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
Attempts to write to a memory location of an unknown processLow


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:

CA470A76798CBB9C913B9C4829D155BF43383951

The following files have been added to the system:

  • %TEMP%\lock.temp
  • %TEMP%\D2M-Precheck.exe

The following files have been changed:

  • %TEMP%orary Internet Files\Content.IE5\index.dat

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

  • %TEMP%\tmp61.tmp
  • %TEMP%\tmp62.tmp
  • %TEMP%\Impressioner.exe
  • %TEMP%\tmp5C.tmp
  • %TEMP%\tmp5D.tmp
  • %TEMP%\imp.dat
  • %TEMP%\tmp5F.tmp
  • %TEMP%\System.Data.SQLite.DLL
  • %TEMP%\tmp60.tmp
  • %TEMP%\tmp5E.tmp

The applications attempted the following network connection(s):

  • 54.245.123.***:80
  • 54.230.68.***:80
  • hxxp://check.d2m.adk-mobile.com/impression/*****
  • 23.21.98.**:80
  • hxxp://ddnw0hpcyyfnj.cloudfront.net/*****
  • 54.243.208.***:80
  • hxxp://imp.optimuminstaller.com/impression.do/*****

   

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.

   

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