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PUA.TweakBitPCCleanr

PUA.TweakBitPCCleanr

Updated:
March 01, 2016
Infection Length:
Varies
Name:
TweakBit PCCleaner
Version:
1.6.10.5
Publisher:
Auslogics Labs Pty Ltd
Risk Impact:
Low
Systems Affected:
Windows

Behavior

PUA.TweakBitPCCleanr is a potentially unwanted application that displays misleading information about the computer's performance. It then asks the user to pay to fix the issues.

Antivirus Protection Dates

  • Initial Rapid Release version February 29, 2016
  • Latest Rapid Release version May 10, 2017 revision 007
  • Initial Daily Certified version February 29, 2016
  • Latest Daily Certified version May 10, 2017 revision 016
  • Initial Weekly Certified release date March 02, 2016
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
When the application is executed, it creates the following folders:
  • %ProgramFiles%\TweakBit
  • %ProgramFiles%\TweakBit\PCCleaner
  • %ProgramFiles%\TweakBit\PCCleaner\Data
  • %ProgramFiles%\TweakBit\PCCleaner\Lang
  • %AllUsersProfile%\Start Menu\Programs\TweakBit
  • %AllUsersProfile%\Start Menu\Programs\TweakBit\PCCleaner
  • %AllUsersProfile%\Application Data\TweakBit
  • %AllUsersProfile%\Application Data\TweakBit\PCCleaner
  • %AllUsersProfile%\Application Data\TweakBit\PCCleaner\1.x
  • %AllUsersProfile%\Application Data\TweakBit\PCCleaner\1.x\Logs

The application then creates the following files:
  • %AllUsersProfile%\Start Menu\Programs\TweakBit\PCCleaner\TweakBit PC Cleaner on the Web.url
  • %AllUsersProfile%\Start Menu\Programs\TweakBit\PCCleaner\TweakBit PC Cleaner.lnk
  • %SystemDrive%\Documents and Settings\All Users\Desktop\TweakBit PCCleaner.lnk
  • %ProgramFiles%\TweakBit\PCCleaner\Data\main.ini
  • %ProgramFiles%\TweakBit\PCCleaner\PCCleaner.exe
  • %ProgramFiles%\TweakBit\PCCleaner\PCCleaner.url
  • %AllUsersProfile%\Application Data\TweakBit\PCCleaner\1.x\Logs\PCCleaner.log
  • %AllUsersProfile%\Application Data\TweakBit\PCCleaner\1.x\StatDB.json
  • %Windir%\Tasks\TweakBit PCCleaner Start PCCleaner\u043En logon.job

Next, the application creates the following registry entries:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Direct3D\MostRecentApplication\"Name" = "PCCleaner.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\Inno Setup\"Setup Version" = "5.5.6 (u)"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\Inno Setup\"App Path" = "%ProgramFiles%\TweakBit\PCCleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"InstallLocation" = "%ProgramFiles%\TweakBit\PCCleaner\"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\Inno Setup\"Icon Group" = "TweakBit\PCCleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\Inno Setup\"User" = "admin"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\Inno Setup\"Language" = "en"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"DisplayName" = "TweakBit PCCleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"DisplayIcon" = "%ProgramFiles%\TweakBit\PCCleaner\PCCleaner.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"UninstallString" = ""%ProgramFiles%\TweakBit\PCCleaner\unins000.exe" /compability"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"QuietUninstallString" = ""%ProgramFiles%\TweakBit\PCCleaner\unins000.exe" /SILENT"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"DisplayVersion" = "1.6.10.5"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"Publisher" = "Auslogics Labs Pty Ltd"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"URLInfoAbout" = "http://www.tweakbit.com/support/contact/"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"HelpLink" = "http://www.tweakbit.com/en/support.php"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"URLUpdateInfo" = "http://www.tweakbit.com/pc-cleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"Contact" = "info@tweakbit.com"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"NoModify" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"NoRepair" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"InstallDate" = "20160226"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"MajorVersion" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32207DDC-1102-4AD5-9CCD-A361F0E1BBC4}_is1\"MinorVersion" = "6"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\ATPopups\1.x\Settings\"FirstInitDate" = "74 63 53 84 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\ATUpdaters\1.x\Settings\"Shared.Blocking.PCCleaner" = "0"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\ATUpdaters\1.x\Settings\"Shared.Scanner.Leader" = "PCCleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\ATUpdaters\1.x\Settings\"FirstInstalledUp" = "pccleaner"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\Google Analytics Package\1.x\Settings\"ClientID" = "{F14A7F0D-3FD0-4464-A09D-0B81734DE87C}"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.Language" = "ENU"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.PartnerId" = "tweakbit"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.TrafficId" = "direct"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Application.PurchaseUrlParam" = ""
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.DoNotAddUtmToUrls" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.InstallDateTime" = "BC E3 3B 83 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Application.SendInfo" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Application.AutostartEnable" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Application.UpdateDate" = "22 D1 40 83 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.AutoScan.Enabled" = "1"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.AutoScan.TimeStamp" = "00 70 A9 0F 1A E4 3A 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"GoogleAnalytics.InstallDate" = "8C 50 BB 81 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"General.LastRun.PCCleaner.exe" = "92 21 51 84 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Application.FileName" = "%ProgramFiles%\TweakBit\PCCleaner\PCCleaner.exe"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"Popups.LibraryInitDate" = "74 63 53 84 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"Popups.VersionCheck.LastResult" = "4"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"Popups.VersionCheck.LastRegDate" = "F9 59 66 86 5C B7 E4 40"
  • HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\PCCleaner\1.x\Settings\"App.Logic.RemainingIssues" = "2309"

The application scans the computer for software and system issues and displays misleading information about how the issues affect the computer's performance.





The application asks the user to pay in order to fix the listed issues. The application may also display advertisements for other products.
    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.