Threat Explorer

The Threat Explorer is a comprehensive resource consumers can turn to for daily, accurate, up-to-date information on the latest threats, risks and vulnerabilities.

PUA.MyCleanPC

PUA.MyCleanPC

Updated:
March 13, 2017
Infection Length:
Varies
Name:
My Clean PC
Version:
1.1.0
Publisher:
US Tech Support LLC
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.MyCleanPC is a potentially unwanted application that gives misleading details about issues on the computer.

Antivirus Protection Dates

  • Initial Rapid Release version March 13, 2017 revision 005
  • Latest Rapid Release version October 26, 2017 revision 006
  • Initial Daily Certified version March 13, 2017 revision 009
  • Latest Daily Certified version October 26, 2017 revision 018
  • Initial Weekly Certified release date March 15, 2017
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
When the program is executed, it creates the following folders:
  • %SystemDrive%\Program Files\USTechSupport
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport

The program creates the following files:
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\1.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\2.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\3.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\4.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\5.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\6.ico
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\ASEng.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\AsInvoker.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\aso.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\asohtm.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\asores.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\atl100.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\checkupdate.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\client.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\footer_left.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\footer_middle.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\footer_right.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\left_border.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\line3px_Blue.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\Report_header_leftText.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\Report_header_left_image.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\Report_header_top_middle.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\Report_header_top_right.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DefragReport\right_border.jpg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\DiskOpt.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\Downloader.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\FileList.pcp
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\HighestAvailable.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100chs.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100cht.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100deu.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100enu.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100esn.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100fra.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100ita.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100jpn.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100kor.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100rus.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\mfc100u.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\Microsoft.VC90.ATL.manifest
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\Microsoft.VC90.CRT.manifest
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\Microsoft.VC90.MFC.manifest
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\Microsoft.VC90.MFCLOC.manifest
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\msvcp100.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\msvcr100.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\privprotector.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\regclean.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\RegList.pcp
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\regopt.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\RequireAdministrator.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\sqlite3.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\sysclean.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\sysfilebackres.ini
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\unins000.dat
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\unins000.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\unins000.msg
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\unrar.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\ustpcopt.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOCheckUpdate.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCODefragSrv.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCODefragSrv64.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCODiskOptimizer.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOHelper.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOPrivacyProtector.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOsys.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOSysFileBakRes.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOSystemCleaner.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCOuninstaller.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\USTSPCO_RC.exe
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\xmllite.dll
  • %SystemDrive%\Program Files\USTechSupport\PC Optimizer\zlibwapi.dll
  • %SystemDrive%\Documents and Settings\admin\Application Data\USTechSupport\PC Optimizer\Registry Cleaner\log_03-13-2017.log
  • %SystemDrive%\Documents and Settings\All Users\Application Data\USTechSupport\Log\PCOSetup_1.8.0.0_CustomerSupport.log
  • %SystemDrive%\Documents and Settings\All Users\Application Data\USTechSupport\Log\PCOSetup_1.8.0.0_Debug.log
  • %SystemDrive%\Documents and Settings\All Users\Desktop\MyCleanPC PC Optimizer.lnk
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\MyCleanPC\PC Optimizer\MyCleanPC PC Optimizer.lnk
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\MyCleanPC\PC Optimizer\Uninstall MyCleanPC PC Optimizer.lnk
  • %SystemDrive%\Documents and Settings\admin\Application Data\USTechSupport
  • %SystemDrive%\Documents and Settings\admin\Application Data\USTechSupport\PC Optimizer
  • %SystemDrive%\Documents and Settings\admin\Application Data\USTechSupport\PC Optimizer\Disk Optimizer
  • %SystemDrive%\Documents and Settings\admin\Application Data\USTechSupport\PC Optimizer\Registry Cleaner
  • %SystemDrive%\Documents and Settings\All Users\Application Data\USTechSupport\PC Optimizer
  • %SystemDrive%\Documents and Settings\All Users\Application Data\USTechSupport\PC Optimizer\Disk Optimizer
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\MyCleanPC
  • %SystemDrive%\Documents and Settings\All Users\Start Menu\Programs\MyCleanPC\PC Optimizer

The program creates the following registry entries:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\LANG
  • HKEY_USERS\S-1-5-21-1454471165-854245398-682003330-1003\Software\USTechSupport\PC Optimizer\System Cleaner\Removal
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyCleanPC PC Optimizer= " "%SystemDrive%\Program Files\USTechSupport\PC Optimizer\ustpcopt.exe" /autorun"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Inno Setup: Setup Version= " 5.5.6 (u)"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Inno Setup: App Path= " %SystemDrive%\Program Files\USTechSupport\PC Optimizer"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\InstallLocation= " %SystemDrive%\Program Files\USTechSupport\PC Optimizer\"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Inno Setup: Icon Group= " USTechSupport\PC Optimizer"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Inno Setup: User= " admin"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Inno Setup: Language= " english"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\DisplayName= " MyCleanPC PC Optimizer"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\DisplayIcon= " %SystemDrive%\Program Files\USTechSupport\PC Optimizer\1.ico"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\UninstallString= " %SystemDrive%\Config.msi\{AB56B977-66D9-411E-B4AA-F4BAD1AD5EBF}\PCOSetup_1.8.0.0.exe /uninstall"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\QuietUninstallString= " "%SystemDrive%\Program Files\USTechSupport\PC Optimizer\unins000.exe" /SILENT"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\Publisher= " USTechSupport"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\URLInfoAbout= " http://www.ustechsupport.com/"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\HelpLink= " http://www.ustechsupport.com/"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\URLUpdateInfo= " http://www.ustechsupport.com/"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\NoModify: 0x00000001
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\NoRepair: 0x00000001
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6AAEB4CB-0573-41ec-89B0-0FE0D5134A8B}_is1\InstallDate= " 20170313"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\SKU= " pcof"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\Campaign= " mcp_nat_gen"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\SupportPhoneNumber= " (888) 590-8910"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\Brand= " mcp"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\PurchaseURL= " https://shop.ustechsupport.com/carts/?sc=mcp_nat_gen&pr=pco&sid=e811e120-e099-0134-4ce0-0e794138efc0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\InstallerVersion= " 1.0.9.0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\InstallPath= " <CSIDL_PROGRAMFILES>\USTechSupport\PC Optimizer"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\SessionId= " e811e120-e099-0134-4ce0-0e794138efc0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\Uninstaller= " %SystemDrive%\Config.msi\{AB56B977-66D9-411E-B4AA-F4BAD1AD5EBF}\PCOSetup_1.8.0.0.exe /uninstall"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\InstalledSuccessfully: 0x00000001
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\InstalledPath= " %SystemDrive%\Program Files\USTechSupport\PC Optimizer"
  • HKEY_LOCAL_MACHINE\SOFTWARE\USTechSupport\PC Optimizer\InstallDate= " 03-13-2017 11:14 am"

The program claims to optimize the computer by scanning for temporary and junk data. It then asks the user to pay to remove 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.



    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.