What is CCleaner.exe by Piriform Software Ltd?

CCleaner.exe is part of CCleaner and developed by Piriform Software 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 Software 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
5.74.0.8184
Hash
F3E5106EF7D2C5D0A88D81FE318BB892

CCleaner.exe running processes

%SYSTEMROOT%\System32\WerFault.exe

CCleaner.exe actions

List of the actions CCleaner.exe executes on a user's PC
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\\RunICS 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\\Monitoring 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\\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
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\SystemMonitoringRunningNotification 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\\STS new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\LastEngaged 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\\SkipUAC 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\\AP new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\UpdateBackground 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
%PROGRAMFILES(X86)%\CCleaner\gcapi_16099452656680.dll file renamed
%PROGRAMFILES(X86)%\CCleaner\temp_ccupdate new catalogue created
%PROGRAMFILES(X86)%\CCleaner\temp_ccupdate\update.ini new file created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\CheckTrialOffer new registry key parameter created
%PROGRAMFILES(X86)%\CCleaner\gcapi_16099466686772.dll file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\94E3FXNJDJTXLZRYQEOG.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ed7a5cc3cca8d52a.customDestinations-ms~RF1311c6.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ed7a5cc3cca8d52a.customDestinations-ms~RF1311c6.TMP file renamed
%PROGRAMFILES(X86)%\CCleaner\temp_ccupdate\ccupdate575_free.exe new file created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\CCleaner\\HCFirstTime new registry key parameter created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\JZFZ1UUR6RTJLFOT3AMK.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\28c8b86deab549a1.customDestinations-ms~RF139907.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\28c8b86deab549a1.customDestinations-ms~RF139907.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\VU9RB6GETWVKS5KGZZ3T.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\4ac866364817f10c.customDestinations-ms~RF139936.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\4ac866364817f10c.customDestinations-ms~RF139936.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\SKZBU8NAWSBV75I1U32N.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\53b77523eaecddc1.customDestinations-ms~RF139984.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\53b77523eaecddc1.customDestinations-ms~RF139984.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\EKCZKDX4QQKXK44S8A0Q.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\5d696d521de238c3.customDestinations-ms~RF1399b3.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\5d696d521de238c3.customDestinations-ms~RF1399b3.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\U8DMA89ELXGZZF3LTB88.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms~RF1399e2.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms~RF1399e2.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\Q8J8BY15DE6J7VTMCJTR.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms~RF139a11.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms~RF139a11.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\VHCOQ4NZPHRV3RUVF5YA.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\9d1f905ce5044aee.customDestinations-ms~RF139a5f.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\9d1f905ce5044aee.customDestinations-ms~RF139a5f.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\FC8R1JOLMVFAD8KG2W61.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\a7ba40025dac9a67.customDestinations-ms~RF139a7e.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\a7ba40025dac9a67.customDestinations-ms~RF139a7e.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ZT13L9G55RUGRAWF4LYC.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b017e3ed9be857bc.customDestinations-ms~RF139aeb.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b017e3ed9be857bc.customDestinations-ms~RF139aeb.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\LG3KSA3GQ3ELR2UHRMH3.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b5a1a7daba195bd.customDestinations-ms~RF139b49.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b5a1a7daba195bd.customDestinations-ms~RF139b49.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\B2TSQVYMTCLB8PVOF4B8.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-ms~RF139b97.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-ms~RF139b97.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\I7ZZN0GCASAQ1E9LMHVS.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms~RF139bb6.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms~RF139bb6.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\CAT4Q7MTJDZ1W8XICTWN.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF139be5.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF139be5.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\034B8KM96DUPMMM2UL8P.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ed7a5cc3cca8d52a.customDestinations-ms~RF139c05.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\ed7a5cc3cca8d52a.customDestinations-ms~RF139c05.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\7VFDOAEIBC1EQMEY6MYA.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\f74763aa9d323ad.customDestinations-ms~RF139c24.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\f74763aa9d323ad.customDestinations-ms~RF139c24.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\X98GQGRYE1PB5NKH9I3U.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\28c8b86deab549a1.customDestinations-ms~RF167ef8.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\28c8b86deab549a1.customDestinations-ms~RF167ef8.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\Q6DVNBOY353PDVKPTSNU.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\4ac866364817f10c.customDestinations-ms~RF167f18.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\4ac866364817f10c.customDestinations-ms~RF167f18.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\3HFR6VHA2CZRA7W292KR.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\53b77523eaecddc1.customDestinations-ms~RF167f27.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\53b77523eaecddc1.customDestinations-ms~RF167f27.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\NE2MU59Y19DV2NIC7UAX.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\5d696d521de238c3.customDestinations-ms~RF167f47.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\5d696d521de238c3.customDestinations-ms~RF167f47.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\NPOU5XD75ZH7J250CTSO.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms~RF167fa4.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms~RF167fa4.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\XNOZPEJ24LR4L8AJG5H6.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms~RF167fb4.TMP new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms~RF167fb4.TMP file renamed
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\IONB7MHBM9ZMHGBU0NTI.temp new file created
%APPDATA%\Microsoft\Windows\Recent\CustomDestinations\9d1f905ce5044aee.customDestinations-ms~RF167fe3.TMP new file created

CCleaner.exe actions

Similar .exe files creating new elements on your PC with similar volume:

CCleaner.exe's virus check

76%

of antivirus scans don't detect any virus in it

21%

of antivirus scans detect it as a potentially unwanted program

3%

of antivirus scans detect a virus in it

CCleaner.exe user rating

79%

of users rate CCleaner.exe as a useful program

16%

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

5%

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

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