What is CCleaner.exe by Piriform Software Ltd?

CCleaner.exe is a 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.

System Information:
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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 can create new files and directories in the Windows registry. Check your system's performance and eliminate file conflicts and junk.

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

CCleaner.exe's virus check

78%

of antivirus scans don't detect any virus in it

18%

of antivirus scans detect it as a potentially unwanted program

4%

of antivirus scans detect a virus in it

CCleaner.exe user rating

78%

of users rate CCleaner.exe as a useful program

19%

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

3%

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

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