What is CCleaner64.exe by Piriform Software Ltd?

CCleaner64.exe is part of CCleaner and developed by Piriform Software Ltd according to the CCleaner64.exe file information. In certain cases, malicious trackers and scripts can disguise themselves as legitimate files, like CCleaner64.exe, leading to glitches, overload and system malfunctions.

In such cases, CCleaner64.exe can create unnecessary records and folders in the Windows registry. Check your PC to eliminate possible application conflicts and system failures.

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CCleaner64.exe's description is "CCleaner".

CCleaner64.exe is digitally signed by Piriform Software Ltd.

CCleaner64.exe is an .exe file.

CCleaner64.exe is usually located in the following folder:

%PROGRAMFILES(X64)%\CCleaner\CCleaner64.exe

CCleaner64.exe basic information

Description

CCleaner

Internal Name

ccleaner

Version

5.75.0.8238

Company

Piriform Software Ltd

Hash

B81CA5224E88E97A63563FBD7BC3AC46

CCleaner64.exe running processes

%PROGRAMFILES(X64)%\Internet Explorer\iexplore.exe
%PROGRAMFILES(X64)%\Google\Chrome\Application\chrome.exe
%SYSTEMROOT%\Temp\CC-Updates\Update-d7b20f933be6cdae41efbe75548eba5f.exe
%SYSTEMROOT%\Temp\CC-Updates\Update-41ddf2773b5ff947834c003b1deb643a.exe
%SYSTEMROOT%\Temp\CC-Updates\Update-cad3e11f580c2dc35503e6ee11833c94.exe
%SYSTEMROOT%\Temp\CC-Updates\Update-3c10243246f98663d2dad2233f854718.exe
%PROGRAMFILES(X64)%\CCleaner\temp_ccupdate\ccupdate576_free.exe
%TMP%\{_av_312d9252-c71c-4c84-b171-f4ad46e22098}\ccleaner_browser_setup-mini.exe

CCleaner64.exe actions

List of the actions CCleaner64.exe executes on a user's PC

%PROGRAMFILES(X64)%\CCleaner\gcapi_dll.dll new file created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\UpdateBackground new registry key parameter created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Local Storage\leveldb\LOG.old file renamed

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Local Storage\leveldb\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Local Storage\leveldb\CURRENT file renamed

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\AP new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\SkipUAC new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\RunICS new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\HomeScreen new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\DefaultDetailedView new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\FTU new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WipeFreeSpaceDrives new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\LatestICS new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\CookiesToSave new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\UpdateKey new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\SystemMonitoring new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\LastMonitoringNotificationTime new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\LMN new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\LastEngaged new registry key parameter created

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\LOG.old file renamed

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\LOG new file created

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\CURRENT file renamed

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\STS new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\SystemMonitoringRunningNotification new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\CheckTrialOffer new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WINDOW_LEFT new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WINDOW_TOP new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WINDOW_WIDTH new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WINDOW_HEIGHT new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\WINDOW_MAX new registry key parameter created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\History-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Favicons-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\cookies-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\QuotaManager-journal new file created

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome-extension_obhaigpnhcioanniiaepcgkdilopflbb_0.indexeddb.leveldb\LOG.old file renamed

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome-extension_obhaigpnhcioanniiaepcgkdilopflbb_0.indexeddb.leveldb\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Web Data-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\LOG.old file renamed

%LOCALAPPDATA%\Google\Chrome\User Data\Default\Shortcuts-journal new file created

HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\HCFirstTime new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\cmp_t new registry key parameter created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\cmp_tv new registry key parameter created

HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\AutoUpdateNotificationExpiryTime new registry key parameter created

HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\UpdateShowPost new registry key parameter created

HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\SystemMonitoringNotificationTime new registry key parameter created

%APPDATA%\Opera Software\Opera Stable\History-journal new file created

%APPDATA%\Opera Software\Opera Stable\Favicons-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\LOG.old file renamed

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\CURRENT file renamed

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\History-journal new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Favicons-journal new file created

%PROGRAMFILES(X64)%\CCleaner\temp_ccupdate\ccupdate576_free.exe new file created

%APPDATA%\Mozilla\Firefox\Profiles\oyg8exx1.default-release\webappsstore.sqlite-wal new file created

%APPDATA%\Mozilla\Firefox\Profiles\oyg8exx1.default-release\webappsstore.sqlite-shm new file created

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome_startpage_0.indexeddb.leveldb\LOG.old file renamed

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome_startpage_0.indexeddb.leveldb\LOG new file created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\BrowserMonitoring new registry key parameter created

%LOCALAPPDATA%\Google\Chrome\User Data\Default\databases\Databases.db-journal new file created

%APPDATA%\Opera Software\Opera Stable\cookies-journal new file created

%PROGRAMFILES(X64)%\CCleaner\CCleaner.dat new file created

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome-extension_dmdhajlcfmlocjeihknhbbekjaageelh_0.indexeddb.leveldb\LOG.old file renamed

%APPDATA%\Opera Software\Opera Stable\IndexedDB\chrome-extension_dmdhajlcfmlocjeihknhbbekjaageelh_0.indexeddb.leveldb\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000004.log new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\MANIFEST-000002 new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000002.dbtmp new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000005.dbtmp new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000008.log new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\MANIFEST-000007 new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000007.dbtmp new file created

%LOCALAPPDATA%\Avg\Browser\User Data\Default\Local Storage\leveldb\LOG.old file renamed

%LOCALAPPDATA%\Avg\Browser\User Data\Default\Local Storage\leveldb\LOG new file created

%LOCALAPPDATA%\Avg\Browser\User Data\Default\Local Storage\leveldb\CURRENT file renamed

%LOCALAPPDATA%\Avg\Browser\User Data\Default\IndexedDB\chrome-extension_maafkmigbnfgoknpahhpcpccchemkhih_0.indexeddb.leveldb\LOG.old file renamed

%LOCALAPPDATA%\Avg\Browser\User Data\Default\IndexedDB\chrome-extension_maafkmigbnfgoknpahhpcpccchemkhih_0.indexeddb.leveldb\LOG new file created

%LOCALAPPDATA%\Avg\Browser\User Data\Default\IndexedDB\chrome-extension_phlckieggnebdmhpipkmlnekabekcopl_0.indexeddb.leveldb\LOG.old file renamed

%LOCALAPPDATA%\Avg\Browser\User Data\Default\IndexedDB\chrome-extension_phlckieggnebdmhpipkmlnekabekcopl_0.indexeddb.leveldb\LOG new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000006.log new file created

%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\MANIFEST-000005 new file created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.BioEnrollment_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5Cmicrosoft.creddialoghost_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.ECApp_8wekyb3d8bbwe%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\TRS new registry key parameter created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.FilePicker_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.FileExplorer_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.AppResolverUX_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.AddSuggestedFoldersToLibraryDialog_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.AsyncTextService_8wekyb3d8bbwe%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe%5Cresources.pri new registry key created

%PROGRAMFILES(X64)%\CCleaner\temp_ccupdate new catalogue created

%LOCALAPPDATA%\Microsoft\Windows\WebCache\tmp.edb new file created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.CallingShellApp_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CMicrosoft.Windows.XGpuEjectDialog_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CSystemApps%5CWindows.CBSPreview_cw5n1h2txyewy%5Cresources.pri new registry key created

HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MrtCache\C:%5CWindows%5CPrintDialog%5Cresources.pri\1d5acddfa973da4 new registry key created

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000002 new file created

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000002.dbtmp new file created

%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000008.log new file created

CCleaner64.exe actions

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CCleaner64.exe's virus check

74%

of antivirus scans don't detect any virus in it

22%

of antivirus scans detect it as a potentially unwanted program

of antivirus scans detect a virus in it

CCleaner64.exe user rating

78%

of users rate CCleaner64.exe as a useful program

18%

of users find CCleaner64.exe to be a potentially unwanted program

of users find CCleaner64.exe to be malicious or a scam