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23 June 2015
Optimizer Pro
Risk Impact:
Systems Affected:


PUA.OptimizerPro is a potentially unwanted application that scans for potential problems on the computer.

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

Antivirus Protection Dates

  • Initial Rapid Release version 02 October 2014 revision 022
  • Latest Rapid Release version 20 September 2019 revision 004
  • Initial Daily Certified version 10 June 2014 revision 001
  • Latest Daily Certified version 14 August 2019 revision 003
  • Initial Weekly Certified release date 11 June 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
This potentially unwanted application must be downloaded and executed manually.

When the program is executed, it creates the following files:
  • %UserProfile%\Desktop\Optimizer Pro.lnk
  • %UserProfile%\My Documents\Optimizer Pro\CookiesException.txt
  • %UserProfile%\Start Menu\Programs\Optimizer Pro v3.2\Check updates.lnk
  • %UserProfile%\Start Menu\Programs\Optimizer Pro v3.2\Help.lnk
  • %UserProfile%\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro on the Web.lnk
  • %UserProfile%\Start Menu\Programs\Optimizer Pro v3.2\Optimizer Pro.lnk
  • %UserProfile%\Start Menu\Programs\Optimizer Pro v3.2\Uninstall Optimizer Pro.lnk
  • %ProgramFiles%\Optimizer Pro\bg_new1.bmp
  • %ProgramFiles%\Optimizer Pro\CookiesException.txt
  • %ProgramFiles%\Optimizer Pro\English.ini
  • %ProgramFiles%\Optimizer Pro\file_id.diz
  • %ProgramFiles%\Optimizer Pro\HomePage.url
  • %ProgramFiles%\Optimizer Pro\itdownload.dll
  • %ProgramFiles%\Optimizer Pro\OptimizerPro.chm
  • %ProgramFiles%\Optimizer Pro\OptimizerPro.exe
  • %ProgramFiles%\Optimizer Pro\OptProGuard.exe
  • %ProgramFiles%\Optimizer Pro\OptProHelper.dll
  • %ProgramFiles%\Optimizer Pro\OptProLauncher.exe
  • %ProgramFiles%\Optimizer Pro\OptProReminder.exe
  • %ProgramFiles%\Optimizer Pro\OptProSchedule.exe
  • %ProgramFiles%\Optimizer Pro\OptProSmartScan.exe
  • %ProgramFiles%\Optimizer Pro\OptProStart.exe
  • %ProgramFiles%\Optimizer Pro\OptProUninstaller.exe
  • %ProgramFiles%\Optimizer Pro\scan.gif
  • %ProgramFiles%\Optimizer Pro\sqlite3.dll
  • %ProgramFiles%\Optimizer Pro\StartupList.txt
  • %ProgramFiles%\Optimizer Pro\unins000.dat
  • %ProgramFiles%\Optimizer Pro\unins000.exe
  • %ProgramFiles%\Optimizer Pro\unins000.msg

Next, the program creates the following registry subkey:
HKEY_CURRENT_USER\Software\Optimizer Pro

The program then creates the following registry entries:
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"cufValue" = "CUF=0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"culValue" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"SetupName" = "[PATH]"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Language" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"InstallDate" = "hex:f0,e1,6b,e5,0e,69,e4,40"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"AppStart" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Os" = "102"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"MachineGuid" = "[GUID]"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"DelayedStart" = "0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Querry" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"UninstallURL" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"SupportURL" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"HomePageURL" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"BuyNowURL" = "[GUID]"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"UseAds" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"AdsHost" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"AdsDownloadURL" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"AdsBuyNowURL" = "[GUID]"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ShowEUA" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"WelcomeURL" = ""
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"DisplayName" = "Optimizer Pro"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Version" = "3.2"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"LastVersionChecking" = "hex:81,6d,9c,e5,0e,69,e4,40"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"LogDir" = "C:\Documents and Settings\admin\Application Data\Optimizer Pro\Log"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"UndoDir" = "C:\Documents and Settings\admin\Application Data\Optimizer Pro\Undo"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ItemsToScan" = "1111111111"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"UseExceptionList" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ShowRebootMessage" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"SpeedGuard" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"s_SmartScan" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"s_Enable" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"s_Time" = "hex:81,6d,9c,e5,0e,69,e4,40"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"s_SmartMode" = "0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Reminder" = "1"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ProblemsFixed" = "0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ItemsCleaned" = "0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ResidualFilesCleaned" = "0"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"QuerryDate" = "hex:99,b8,1a,e7,0e,69,e4,40"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"RunDate" = "hex:99,b8,1a,e7,0e,69,e4,40"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ItemsToFix" = "182"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"ItemsToClean" = "aa"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"Stat1a" = "182"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"LastScanFound" = "22c"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"LastScanChecked" = "1111011"
  • HKEY_CURRENT_USER\Software\Optimizer Pro\"InstallStat" = "1"

Next, the program will scan the computer for the following items:
  • Invalid registry entries
  • Temporary Internet files and folders
  • Web history and cookies
  • Residual files
  • Invalid shortcuts

The program then displays a message asking the user to register with the software in order to fix these issues.
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.

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.

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

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.
Writeup By: Ling Zhou