Threat Profile: Generic PUP.x!chk!AFDB22E5C3AE

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 1/9/2013
Date Added: 1/9/2013
Origin: Unknown
Length: 561672
Type: Program
Subtype: -
DAT Required: 6949
Removal Instructions
   
 
 
   

Description

McAfee Labs&trade recognizes that this program may have legitimate uses in contexts where an authorized administrator has knowingly installed this application. If you agreed to a license agreement for this or another bundled application, you may have legal obligations with regard to removing this software, or to using the host application without this software. Please contact the software vendor for further information.

See http://vil.nai.com/vil/DATReadme.aspx for a list of program detections added to the DATs.

See http://vil.nai.com/vil/pups/configuration.aspx for information about how to enable, disable, and exclude the detection of legitimately installed programs.

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

Symptoms

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

Method

This is not a virus or Trojan. PUPs do not "infect" systems. They may be installed by a user individually or possibly as a part of a software package (in a bundle, for example).

   

Virus Characteristics

This software is not a virus or a Trojan. It is detected as a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them.

File PropertiesProperty Values
McAfee DetectionGeneric PUP.x!chk
Length561672 bytes
MD5afdb22e5c3aecc4f54cde1a40c192973
SHA13699a6617f877953d80507682077fcaab2303f35


Other Common Detection Aliases

Company NamesDetection Names
aviraADWARE/InstallCore.Gen
BitDefenderTrojan.Generic.7326386
clamavPUA.Win32.Packer.UpxProtector
Dr.WebAdware.InstallCore.20
FortiNetW32/InstallCore.gen
SymantecTrojan.ADH.2
EsetWin32/InstallCore.F (application) (variant)
risingAdWare.Win32.InstallCore.b
Trend MicroTROJ_SPNR.15IH12
vba32BScope.Malware-Cryptor.Sinba.A
V-BusterAdtool.InstallCore.Gen (sequence)

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


ActivitiesRisk Levels
Attempts to connect to a high risk domain that may pose a security risk.High
Creates one or more shortcuts (.LNK files) to provide user accessible links to start a program usually form the desktop or start menu.Low
Enumerates many system files and directories.Low
Attempts to send data or commands via HTTPLow
Adds or modifies Internet Explorer cookiesLow


McAfee ScansScan Detections
McAfee BetaGeneric PUP.x!chk
McAfee SupportedGeneric PUP.x!chk



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:

3699A6617F877953D80507682077FCAAB2303F35

The following files have been added to the system:

  • %TEMP%\ICReinstall_3699A6617F877953D80507682077FCAAB2303F35
  • %TEMP%\ish203671\images\close_button.png
  • %TEMP%\ish203671\blank.gif
  • %TEMP%\ish203671\css\sdk-ui\browse.css
  • %TEMP%\ish203671\css\sdk-ui\checkbox.css
  • %TEMP%\ish203671\images\finish-button.png
  • %TEMP%\ish203671\css\ie6_main.css
  • %TEMP%\ish203671\images\next-button-over.png
  • %TEMP%\ish203671\images\loader.gif
  • %TEMP%\ish203671\images\skip-button.png
  • %TEMP%\ish203671\images\progress-bg.png
  • %TEMP%\ish203671\images\back-button.png
  • %TEMP%\ish203671\images\icon.png
  • %TEMP%\ish203671\license.txt
  • %TEMP%\ish203671\defaultOffer\offer_code.dat
  • %TEMP%\ish203671\images\Software.png
  • %TEMP%\ish203671\css\sdk-ui\images\button-bg.png
  • %TEMP%\ish203671\images\Bg.jpg
  • %TEMP%\ish203671\css\sdk-ui\button.css
  • %TEMP%\ish203671\images\finish_button.jpg
  • %TEMP%\is1438683437\209285_Setup.CIS
  • %TEMP%\ish203671\defaultOffer\US\offer_html.dat
  • %TEMP%\ish203671\css\sdk-ui\progress-bar.css
  • %TEMP%\is1438683437\1855774758.cfg
  • %TEMP%\ish203671\css\main.css
  • %TEMP%\ish203671\locale\EN.locale
  • %USERPROFILE%\Desktop\Continue PDF Reader Installation.lnk
  • %TEMP%\ish203671\defaultOffer\offer_html.dat
  • %TEMP%\ish203671\css\buttons.css
  • %TEMP%\ish203671\images\next-button.png
  • %TEMP%\is1438683437\1190809598.cfg
  • %TEMP%\ish203671\sdk\exceptlist.txt
  • %TEMP%\ish203671\css\sdk-ui\images\progress-bg.png
  • %TEMP%\ish203671\defaultOffer\US\offer_code.dat

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

  • %TEMP%\00031B78.log
  • %TEMP%\ish203671\bootstrap_17449.html
  • %TEMP%\00033162.log
  • %PROGRAMFILES%\is208171.log
  • %TEMP%\00032D4B.log

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DIRECTDRAW\MOSTRECENTAPPLICATION\ID = 708992537
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DIRECTDRAW\MOSTRECENTAPPLICATION\NAME = 3699A6617F877953D80507682077FCAAB2303F35

The applications attempted the following network connection(s):

  • 63.156.206.***:80
  • 63.149.176.**:80
  • hxxp://os.solvefile.com/fx/v1.0.1/*****

   

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

   

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