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PUA.PCHealthAdvisor

PUA.PCHealthAdvisor

Updated:
June 23, 2015
Name:
PC Health Advisor
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.PCHealthAdvisor is a potentially unwanted application that displays misleading information about issues it claims are slowing down the computer. It may then ask the user to pay to fix the issues.

Note: Virus definitions dated June 23, 2015 or earlier detect this threat as PCHealthAdvisor.

Antivirus Protection Dates

  • Initial Rapid Release version October 28, 2014 revision 037
  • Latest Rapid Release version September 22, 2016 revision 024
  • Initial Daily Certified version December 10, 2014 revision 021
  • Latest Daily Certified version September 22, 2016 revision 025
  • Initial Weekly Certified release date October 29, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
The application must be manually installed.

Once executed, the application creates the following files:
  • %ProgramFiles%\Common Files\ParetoLogic\UUS3\LiteUnzip.dll
  • %ProgramFiles%\Common Files\ParetoLogic\UUS3\Pareto_Update3.exe
  • %ProgramFiles%\Common Files\ParetoLogic\UUS3\settings.xml
  • %ProgramFiles%\Common Files\ParetoLogic\UUS3\UUS3.dll
  • %ProgramFiles%\ParetoLogic\PCHA\7ZipDLL.dll
  • %ProgramFiles%\ParetoLogic\PCHA\colors.xml
  • %ProgramFiles%\ParetoLogic\PCHA\CommonLoggingExtension.pxt
  • %ProgramFiles%\ParetoLogic\PCHA\CommonSpecialist.pxt
  • %ProgramFiles%\ParetoLogic\PCHA\ExtensionManager.dll
  • %ProgramFiles%\ParetoLogic\PCHA\HandleUpdate.dll
  • %ProgramFiles%\ParetoLogic\PCHA\License_Time.rdat
  • %ProgramFiles%\ParetoLogic\PCHA\LiteUnzip.dll
  • %ProgramFiles%\ParetoLogic\PCHA\LiteZip.dll
  • %ProgramFiles%\ParetoLogic\PCHA\LogSettings.xml
  • %ProgramFiles%\ParetoLogic\PCHA\MyResources.dll
  • %ProgramFiles%\ParetoLogic\PCHA\noapp.exe
  • %ProgramFiles%\ParetoLogic\PCHA\PCHA.exe
  • %ProgramFiles%\ParetoLogic\PCHA\privacy.db
  • %ProgramFiles%\ParetoLogic\PCHA\RB.rdat
  • %ProgramFiles%\ParetoLogic\PCHA\RegHookSpecialist.pxt
  • %ProgramFiles%\ParetoLogic\PCHA\SandBoxer.dll
  • %ProgramFiles%\ParetoLogic\PCHA\settings.xml
  • %ProgramFiles%\ParetoLogic\PCHA\sqlite3.dll
  • %ProgramFiles%\ParetoLogic\PCHA\uninstall.exe
  • %ProgramFiles%\ParetoLogic\PCHA\UNS.xml
  • %ProgramFiles%\ParetoLogic\PCHA\Utility.pxt
  • %ProgramFiles%\ParetoLogic\PCHA\whitelist.dat
  • %SystemDrive%\ProgramData\ParetoLogic\PC Health Advisor\dc_db.db
  • %SystemDrive%\ProgramData\ParetoLogic\PC Health Advisor\License_Time.rdat
  • %SystemDrive%\ProgramData\ParetoLogic\PC Health Advisor\RB.rdat
  • %SystemDrive%\ProgramData\ParetoLogic\PC Health Advisor\tfn.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\Master.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\Patch.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\PCHA\Database.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\PCHA\Master.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\PCHA\Patch.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\PCHA\Update.xml
  • %SystemDrive%\ProgramData\ParetoLogic\UUS3\Update.xml
  • %AllUsersProfile%\ParetoLogic\PC Health Advisor\dc_db.db
  • %AllUsersProfile%\ParetoLogic\PC Health Advisor\License_Time.rdat
  • %AllUsersProfile%\ParetoLogic\PC Health Advisor\RB.rdat
  • %AllUsersProfile%\ParetoLogic\PC Health Advisor\tfn.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\Master.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\Patch.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\PCHA\Database.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\PCHA\Master.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\PCHA\Patch.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\PCHA\Update.xml
  • %AllUsersProfile%\ParetoLogic\UUS3\Update.xml
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\ParetoLogic\PC Health Advisor\ParetoLogic PC Health Advisor.lnk
  • %SystemDrive%\Documents and Settings\All Users\Desktop\ParetoLogic PC Health Advisor.lnk

It also creates multiple files within the following folders:
  • %ProgramFiles%\Common Files\ParetoLogic\UUS3\Images
  • %ProgramFiles%\ParetoLogic\PCHA\HTML
  • %ProgramFiles%\ParetoLogic\PCHA\images
  • %SystemDrive%\Tasks\ParetoLogic Registration3
  • %SystemDrive%\Tasks\ParetoLogic Update Version3
  • %SystemDrive%\Tasks\ParetoLogic Update Version3 Startup Task
  • %SystemDrive%\Tasks\PC Health Advisor
  • %SystemDrive%\Tasks\PC Health Advisor Defrag

Next, the application creates the following registry entries:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\openas\command\"[DEFAULT]" = "%ProgramFiles%\ParetoLogic\PCHA\noapp.exe %1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Unknown\shell\opendlg\command\"[DEFAULT]" = "%ProgramFiles%\ParetoLogic\PCHA\noapp.exe %1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\uus3url-pl\"URL Protocol" = ""
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\uus3url-pl\shell\open\command\"[DEFAULT]" = ""%ProgramFiles%\Common Files\ParetoLogic\UUS3\Pareto_Update3.exe" %1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"InstallLocation" = "%ProgramFiles%\ParetoLogic\PCHA"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"DisplayName" = "ParetoLogic PC Health Advisor"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"DisplayIcon" = "%ProgramFiles%\ParetoLogic\PCHA\PCHA.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"UninstallString" = "%ProgramFiles%\ParetoLogic\PCHA\uninstall.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"DisplayVersion" = "3.1.6.0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"URLInfoAbout" = "http://www.paretologic.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"Publisher" = "ParetoLogic, Inc."
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"VersionMajor" = "3"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{3CBF3EBB-235D-4c29-A68B-2BB1F428586E}\"VersionMinor" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"Updates" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"Desktop" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"Login" = "0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"Quick" = "0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"Silent" = "0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"AutoScan" = "0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"ShowWebPageAfterScanLicense" = "7"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\PC Health Advisor\"InstallTime" = "[HEXADECIMAL VALUE]"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\UUS3\"Version" = "3.0.3"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\UUS3\"Installed" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\UUS3\Preset\PCHA\"AppExe" = "%ProgramFiles%\ParetoLogic\PCHA\PCHA.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\ParetoLogic\UUS3\Preset\PCHA\"PID" = "14"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\ParetoLogic UNS\PC Health Advisor\"SettingsFilename" = "%ProgramFiles%\ParetoLogic\PCHA"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\ParetoLogic UNS\PC Health Advisor\"RegisterUrl" = "http://redirect20.paretologic.com/?aid=4&vid=1&lid=en&uid=0&cpid=114&pid=20&key="
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\ParetoLogic UNS\PC Health Advisor\"CancelUrl" = "(NULL!)"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\ParetoLogic UNS\PC Health Advisor\"AppState" = "unreg"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\ParetoLogic UNS\PC Health Advisor\"TimeStamp" = "[HEXADECIMAL VALUE]"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"DUPLICATE_SCAN_RADIO" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"XPos" = "1DD"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"YPos" = "DF"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"Width" = "320"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"Height" = "244"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"INSTALLDATE" = "[TIME AND DATE]"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"INSTALLDATELOCAL" = "[TIME AND DATE]"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"RunCount" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"FROMSCHEDULE" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"OUTDATED_COUNT" = "89"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"MALWARE_COUNT" = "0"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"LastScanTime" = "[HEXADECIMAL VALUE]"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"HealthRating" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\"SCANCOUNT" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"0" = "Driver Manager"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"1" = "Process Manager"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"2" = "Startup Manager"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"3" = "File Extension Manager"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"4" = "Duplicate Finder"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\HomeScreenIcons\"5" = "Defrag"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\TFN\"ExpiresOn" = "[HEXADECIMAL VALUE]"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\TFN\"ScanCountDelay" = "4"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\TFN\"LStatus" = "1"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\PC Health Advisor\TFN\"ServerDiff" = "0"
  • HKEY_USERS\S-1-5-21-3598304965-2135194631-3668321749-1001\Software\ParetoLogic\UUS3\Settings\"CloseUpdateWindow" = "00 00 00 00"

When the application is executed, it will perform a scan of the computer.

The application scans the computer for issues found under the following headings:
  • Registry Problems
  • Active Processes
  • Malware Processes
  • Privacy Files
  • Startup Processes

The application displays a list of problems found on the computer with an associated risk level ranging from Good to Critical; however, some results are exaggerated.



If the user chooses to fix the issues, the application asks the user to subscribe to the full version.

The application may also connect to the following remote location:
  • paretologic.com
You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your computer has been affected by this risk.

Before proceeding further we recommend that you run a full system scan . If that does not resolve the problem you can try one of the options available below.



FOR NORTON USERS
If you are a Norton product user, we recommend you try the following resources to remove this risk.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.


FOR BUSINESS USERS
If you are a Symantec business product user, we recommend you try the following resources to remove this risk.


Identifying and submitting suspect files
Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.


Removal Tool

If you have an infected Windows system file, you may need to replace it using the Windows installation CD .


How to reduce the risk of infection
The following resource provides further information and best practices to help reduce the risk of infection.
Protecting your business network



MANUAL REMOVAL
The following instructions pertain to all current Symantec antivirus products.


1. Performing a full system scan
How to run a full system scan using your Symantec product


2. Restoring settings in the registry
Many risks make modifications to the registry, which could impact the functionality or performance of the compromised computer. While many of these modifications can be restored through various Windows components, it may be necessary to edit the registry. See in the Technical Details of this writeup for information about which registry keys were created or modified. Delete registry subkeys and entries created by the risk and return all modified registry entries to their previous values.