Home » File Library » CCleaner.exe

What is CCleaner.exe by Piriform Ltd?

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

In such cases, CCleaner.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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CCleaner.exe's description is "CCleaner".

CCleaner.exe is digitally signed by Piriform Ltd.

CCleaner.exe is an .exe file.

CCleaner.exe is usually located in the following folder:

%PROGRAMFILES(X86)%\CCleaner\CCleaner.exe

CCleaner.exe basic information

Description
CCleaner
Internal Name
ccleaner
Version
5.46.0.6652
Company
Piriform Ltd
Hash
7218480CE5F9BC51D88E3D6DDA49C0FF

CCleaner.exe running processes

%PROGRAMFILES(X86)%\AVAST Software\Browser\Application\AvastBrowser.exe
%PROGRAMFILES(X86)%\AVAST Software\Browser\Application\AvastBrowser.exe
%PROGRAMFILES(X86)%\AVAST Software\Browser\Application\AvastBrowser.exe

CCleaner.exe actions

List of the actions CCleaner.exe executes on a user's PC
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\LOG.old file renamed
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\LOG new file created
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\CURRENT file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ed7a5cc3cca8d52a.customDestinations-ms file renamed
%APPDATA%\Mozilla\Firefox\Profiles\uue4mm3z.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\uue4mm3z.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\uue4mm3z.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\uue4mm3z.default\webappsstore.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\pgmhjmmj.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\pgmhjmmj.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\pgmhjmmj.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\pgmhjmmj.default\webappsstore.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\a6qx3b2i.default-release\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\a6qx3b2i.default-release\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\a6qx3b2i.default-release\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\a6qx3b2i.default-release\webappsstore.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\m7mipsfe.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\m7mipsfe.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\m7mipsfe.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\m7mipsfe.default\webappsstore.sqlite-shm new file created
%APPDATA%\Thunderbird\Profiles\7gniseh6.default\cookies.sqlite-wal new file created
%APPDATA%\Thunderbird\Profiles\7gniseh6.default\cookies.sqlite-shm new file created
%APPDATA%\Thunderbird\Profiles\7gniseh6.default\webappsstore.sqlite-wal new file created
%APPDATA%\Thunderbird\Profiles\7gniseh6.default\webappsstore.sqlite-shm new file created
%USERPROFILE%\AppData\Local\Microsoft\Windows\WebCache\tmp.edb new file created
%APPDATA%\Mozilla\Firefox\Profiles\tier7gj7.default-release\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\tier7gj7.default-release\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\tier7gj7.default-release\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\tier7gj7.default-release\webappsstore.sqlite-shm new file created
%USERPROFILE%\AppData\Local\chromium\User Data\Default\Local Storage\leveldb\LOG.old file renamed
%USERPROFILE%\AppData\Local\chromium\User Data\Default\Local Storage\leveldb\LOG new file created
%USERPROFILE%\AppData\Local\chromium\User Data\Default\Local Storage\leveldb\CURRENT file renamed
%APPDATA%\Mozilla\Firefox\Profiles\4tz1ze7l.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\4tz1ze7l.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\4tz1ze7l.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\4tz1ze7l.default\webappsstore.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\zllgrmti.default-1486312843086-1508441342095\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\zllgrmti.default-1486312843086-1508441342095\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\zllgrmti.default-1486312843086-1508441342095\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\zllgrmti.default-1486312843086-1508441342095\webappsstore.sqlite-shm new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000071.log new file created
%APPDATA%\Opera Software\Opera Stable\QuotaManager-journal new file created
%APPDATA%\Mozilla\Firefox\Profiles\zj2d0dj6.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\zj2d0dj6.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\zj2d0dj6.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\zj2d0dj6.default\webappsstore.sqlite-shm new file created
HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\PPC new registry key parameter created
HKEY_USERS\%ID-USER-SID%\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d0-9c-7a-0f-d3-2a\\WpadDetectedUrl new registry key parameter created
HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\cmp_ccpu new registry key parameter created
HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\cmp_u new registry key parameter created
HKEY_USERS\%ID-USER-SID%\Software\Piriform\CCleaner\\cmp_uv new registry key parameter created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000069.log new file created
HKEY_USERS\%ID-USER-SID%\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a8-bf-3c-0e-fc-9d\\WpadDetectedUrl new registry key parameter created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000102.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000101 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000101.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000070 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000070.dbtmp new file created
%APPDATA%\Mozilla\Firefox\Profiles\073v11qe.default\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\073v11qe.default\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\073v11qe.default\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\073v11qe.default\webappsstore.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\tn67psmx.default-release-1588167345760\cookies.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\tn67psmx.default-release-1588167345760\cookies.sqlite-shm new file created
%APPDATA%\Mozilla\Firefox\Profiles\tn67psmx.default-release-1588167345760\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\tn67psmx.default-release-1588167345760\webappsstore.sqlite-shm new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000061.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000060 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000060.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000075.log new file created
%APPDATA%\Mozilla\Firefox\Profiles\df9x01h1.default-release\cookies.sqlite-wal new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000074 new file created
%APPDATA%\Mozilla\Firefox\Profiles\df9x01h1.default-release\cookies.sqlite-shm new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000074.dbtmp new file created
%APPDATA%\Mozilla\Firefox\Profiles\df9x01h1.default-release\webappsstore.sqlite-wal new file created
%APPDATA%\Mozilla\Firefox\Profiles\df9x01h1.default-release\webappsstore.sqlite-shm new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000077.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000076 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000076.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000087.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000086 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000086.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000198.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000197 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000130.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000197.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000129 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000129.dbtmp new file created
%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000074.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000202.log new file created
%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\MANIFEST-000073 new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\MANIFEST-000201 new file created
%LOCALAPPDATA%\Google\Chrome\User Data\System Profile\Local Storage\leveldb\000073.dbtmp new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000201.dbtmp new file created
%LOCALAPPDATA%\Google\Chrome\User Data\Default\Local Storage\leveldb\001049.log new file created
%APPDATA%\Opera Software\Opera Stable\Local Storage\leveldb\000194.log new file created
HKEY_USERS\%ID-USER-SID%\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a4-f4-c2-ed-e4-48\\WpadDetectedUrl new registry key parameter created
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\000226.log new file created
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\MANIFEST-000225 new file created
%LOCALAPPDATA%\Google\Chrome\User Data\Guest Profile\Local Storage\leveldb\000225.dbtmp new file created

CCleaner.exe actions

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CCleaner.exe's virus check

78%

of antivirus scans don't detect any virus in it

17%

of antivirus scans detect it as a potentially unwanted program

5%

of antivirus scans detect a virus in it

78%

of users rate CCleaner.exe as a useful program

18%

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

4%

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