CCleaner keeps reverting registry keys


  1. Posts : 31
    W10 N LTSC 2019
       #1

    CCleaner keeps reverting registry keys


    So, I created a reg file to remove all CCleaner bloatware automatically after installing it, but from time to time, I notice that CCleaner automatically reverts to the default settings. How is that possible that a software can change registry keys on its own while being closed?
      My Computer


  2. Posts : 1,867
    Windows 10 Pro 2004 20H1
       #2

    Probably changes as soon as it's opened and connects to the Internet.

    Add a firewall rule to block outgoing connections from CCleaner.
      My Computer


  3. Posts : 31
    W10 N LTSC 2019
    Thread Starter
       #3

    OldNavyGuy said:
    Probably changes as soon as it's opened and connects to the Internet.

    Add a firewall rule to block outgoing connections from CCleaner.
    Damn, I guess you're right. I even disabled all phoning home stuff in the registry, but apparently it still wasn't enough... It's unbelievable how bad Avast can be at ruining softwares.
      My Computer


  4. Posts : 5,208
    21H1 64 Bit Home
       #4

    Hey I had the same problem even though it's blocked in Firewall. At least once per day it reverts everything.

    I use a shorcut on my desktop that ponts to an Elevated Shortcut to a batch file to run Ccleaner. The reg file restores my settings evey launch.

    CCleaner keeps reverting registry keys-shortcut.jpg

    CCleaner keeps reverting registry keys-elevated-shortcut.jpg

    Batch file contents:

    Code:
    @echo off
    regedit /s "C:\Users\Chris\Documents\System Stuff\Ccleaner Reg\Ccleaner.reg"
    regedit /s "C:\Users\Chris\Documents\System Stuff\Ccleaner Reg\Ccleaner2.reg"
    start "" "C:\Program Files\CCleaner\CCleaner64.exe"
    echo
    exit /B
    Reg files that it merges:

    Code:
    Windows Registry Editor Version 5.00
    
    [HKEY_CURRENT_USER\Software\Piriform]
    
    [HKEY_CURRENT_USER\Software\Piriform\CCleaner]
    "RunICS"="0"
    "Brandover"="0"
    "Language"="1033"
    "Monitoring"="0"
    "HelpImproveCCleaner"="0"
    "SystemMonitoring"="0"
    "UpdateAuto"="0"
    "UpdateCheck"="0"
    "CheckTrialOffer"="0"
    "(Cfg)QuickClean"="0"
    "(Cfg)HealthCheck"="0"
    "(Cfg)GetIpmForTrial"="0"
    "(Cfg)SoftwareUpdater"="0"
    "(Cfg)SoftwareUpdaterIpm"="0"
    Code:
    Windows Registry Editor Version 5.00
    
    [HKEY_LOCAL_MACHINE\SOFTWARE\Piriform]
    
    [HKEY_LOCAL_MACHINE\SOFTWARE\Piriform\CCleaner]
    "GD"="35a7238d-eeff-4816-b9a8-fba55115e495"
    @="C:\\Program Files\\CCleaner"
    "UpdateAuto"="0"
    "UpdateCheck"="0"
    "CheckTrialOffer"="0"
    "(Cfg)GetIpmForTrial"="0"
    "(Cfg)SoftwareUpdater"="0"
    "(Cfg)SoftwareUpdaterIpm"="0"
    "Monitoring"="0"
    "HelpImproveCCleaner"="0"
    "SystemMonitoring"="0"
    "(Cfg)QuickClean"="0"
    "(Cfg)HealthCheck"="0"
      My Computer


 

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