What is Defraggler64.exe?

Defraggler64.exe is part of Defraggler and developed by Piriform Software Ltd according to the Defraggler64.exe file information. In certain cases, malicious trackers and scripts can disguise themselves as legitimate files, like Defraggler64.exe, leading to glitches, overload and system malfunctions.

In such cases, Defraggler64.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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Defraggler64.exe's description is "Defraggler".

Defraggler64.exe is digitally signed by Piriform Software Ltd.

Defraggler64.exe is an .exe file.

Defraggler64.exe is usually located in the following folder:

%PROGRAMFILES(X64)%\Defraggler\Defraggler64.exe

Defraggler64.exe basic information

Description
Defraggler
Internal Name
Defraggler.exe
Version
2.22.33.995
Hash
FF542FF928CDA6C04AA26369BA31320E

Defraggler64.exe running processes

%PROGRAMFILES(X86)%\Defraggler\Defraggler.exe
%SYSTEMROOT%\System32\WerFault.exe

Defraggler64.exe actions

List of the actions Defraggler64.exe executes on a user's PC
%PROGRAMFILES(X64)%\Defraggler\statistics.bin
new file created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\UpdateKey
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_left
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_top
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_width
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_height
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_max
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\window_flags
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MainWindowTopSplitterProportionalPos
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MainWindowBottomSplitterProportionalPos
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\WasRunManualSilentUpdate
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisplaySSDVolumes
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisplayRemovableVolumes
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisplayUnmountedVolumes
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisplayEjectedVolumes
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\UpdateCheck
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\NewVersion
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\UpdateFrequency
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\UpdateBackground
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\CleanupDriveBeforeDefrag
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\ShowCleanupPrompt
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\Priority
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\CacheFileCollectionAfterDriveSwitch
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisableShellExtension
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\StopVssWhenDefrag
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\ShowFragmentedFolderEntries
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MinimizeToTray
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MoveLargeFilesToEndOfDrive
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MinLargeFileSize
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\MoveOnlySelectedLargeFileCategories
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\LargeFilesCategories
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\LargeFilesExtensions
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DefragFreeSpaceMoveLargeFiles
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\NativeMode
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\EnableNativeDefrag
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DontApplyMinimumFileSizeToFilesFolders
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\ShowOptimizeZeroFillingWarning
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\QDUseCustomParameters
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\QDMinFragmentSize
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\QDMaxFragmentCount
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\QDMinFileSize
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\QDMaxFileSize
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\CelsiusTemperatureFormat
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapColors
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\ColorsMode
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapSettingsMode
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapMinBlockWidth
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapMinBlockHeight
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapMode
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DriveMapDrawingMode
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DefragContextString
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\AnalyzeContextString
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\DisableBenchmarkAfterDefrag
new registry key parameter created
HKEY_USERS\%ID-USER-SID%\SOFTWARE\Piriform\Defraggler\\filelist_columns
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\System32\msxml3r.dll,-1
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\system32\notepad.exe,-469
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\System32\setupapi.dll,-2001
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\system32\miguiresource.dll,-105
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\System32\ieframe.dll,-24585
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\System32\wshext.dll,-4804
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\28\547C283B\\@C:\Windows\System32\msimsg.dll,-34
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\c\52C64B7E\\@C:\Windows\System32\ieframe.dll,-24585
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\c\52C64B7E\\@C:\WINDOWS\System32\wshext.dll,-4804
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\c\52C64B7E\\@C:\WINDOWS\system32\miguiresource.dll,-105
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\a1\659639C2\\@C:\WINDOWS\System32\wshext.dll,-4804
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\a1\659639C2\\@C:\WINDOWS\system32\unregmp2.exe,-9924
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\a1\659639C2\\@C:\Windows\System32\ieframe.dll,-24585
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\a1\659639C2\\@C:\WINDOWS\system32\unregmp2.exe,-9925
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\a1\659639C2\\@C:\WINDOWS\system32\miguiresource.dll,-105
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\173\96383CDB\\@C:\WINDOWS\System32\msimsg.dll,-35
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\173\96383CDB\\@C:\WINDOWS\System32\setupapi.dll,-2001
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\173\96383CDB\\@C:\WINDOWS\system32\miguiresource.dll,-105
new registry key parameter created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\173\96383CDB\\@C:\WINDOWS\System32\wshext.dll,-4804
new registry key parameter created
%PROGRAMFILES(X64)%\Defraggler\9de8ac6e-1962-4d87-8182-d8344e0afedf.dmp
new file created
HKEY_USERS\%ID-USER-SID%_Classes\Local Settings\MuiCache\2c\52C64B7E\\@%SystemRoot%\system32\shell32.dll,-50176
new registry key parameter created

Defraggler64.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:

Defraggler64.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

Defraggler64.exe user rating

80%

of users rate Defraggler64.exe as a useful program

16%

of users find Defraggler64.exe to be a potentially unwanted program

4%

of users find Defraggler64.exe to be malicious or a scam

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