Home Possibly Unwanted Program Speedchecker PC Speed Up

Speedchecker PC Speed Up

Posted: August 29, 2014

Threat Metric

Ranking: 3,926
Threat Level: 1/10
Infected PCs: 278,049
First Seen: August 29, 2014
Last Seen: March 10, 2025
OS(es) Affected: Windows


The Speedchecker PC Speed Up software is promoted on Pcspeedup.com as a great utility to scan your OS for problems related to performance, out-dated drivers and bad registry keys. The Speedchecker PC Speed Up has a trial version that you may encounter in a freeware bundle with BenchUpdater and PCBackupWizard. The Speedchecker PC Speed Up software is developed by Optimal Software s.r.o. and is published by Speedchecker Limited, which you can contact on the 888-986-8371 phone line to seek help with the program. However, this article is not an advertisement of the Speedchecker PC Speed Up software, and you should know that Speedchecker PC Speed Up is deemed as a Potentially Unwanted Program (PUP) due to its aggressive notifications.

The trial version of Speedchecker PC Speed Up allows users to perform a free scan and read a report on their system state of health that includes a list of startup apps that can be disabled as well as a list of bad registry entries and dead shortcuts. PC users that run the trial version of Speedchecker PC Speed Up may be provided with the option to disable unwanted startup apps for free. Other problems can be resolved with the Speedchecker PC Speed Up tool after buying a premium license for $29. You should take into consideration that most operations that you can do with Speedchecker PC Speed Up can be done with instruments that are built into Windows itself. For example, the Speedchecker PC Speed Up software allows users to turn off unnecessary services and improve their boot-time. You can do that with Services.msc, which can be found in the collection of Administrative Tools in Windows. Additionally, you can launch MSCONFIG to disable unwanted background services and free up RAM for games, video/audio players and image manipulation programs. Computer experts summarize that the Speedchecker PC Speed Up software may not be worth paying $29 for. You may wish to uninstall the Speedchecker PC Speed Up software and clean residual files with the help of a reliable anti-spyware program.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%PROGRAMFILES(x86)%\PC Speed Up\PCSUService.exe File name: PCSUService.exe
Size: 423.72 KB (423728 bytes)
MD5: d33448475ae41d0a3e8839f2f064c4f8
Detection count: 11,666
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\PC Speed Up
Group: Malware file
Last Updated: December 22, 2019
C:\System Volume Information\_restore{44EACB96-DA02-405B-A8B3-CE4F11F9BA72}\RP91\A0032967.exe File name: A0032967.exe
Size: 405.8 KB (405808 bytes)
MD5: 5ae83f94ffa8e4868004898dd3f4e00e
Detection count: 10,387
File type: Executable File
Mime Type: unknown/exe
Path: C:\System Volume Information\_restore{44EACB96-DA02-405B-A8B3-CE4F11F9BA72}\RP91\A0032967.exe
Group: Malware file
Last Updated: December 19, 2020
%PROGRAMFILES(x86)%\PC Speed Up\PCSUSD.exe File name: PCSUSD.exe
Size: 486.85 KB (486856 bytes)
MD5: d81031ccc185c3ba3704571c9a901aa4
Detection count: 159
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\PC Speed Up
Group: Malware file
Last Updated: November 25, 2016
%PROGRAMFILES(x86)%\PC Speed Up\PCSUNotifier.exe File name: PCSUNotifier.exe
Size: 342.47 KB (342472 bytes)
MD5: eaab37904a786fcb914d0453258777b3
Detection count: 89
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\PC Speed Up
Group: Malware file
Last Updated: May 4, 2016
%PROGRAMFILES(x86)%\PC Speed Up\SpeedCheckerService.exe File name: SpeedCheckerService.exe
Size: 45 KB (45000 bytes)
MD5: 38eae6d696453ba1e250b5d91b20716d
Detection count: 67
File type: Executable File
Mime Type: unknown/exe
Path: %PROGRAMFILES(x86)%\PC Speed Up
Group: Malware file
Last Updated: April 15, 2016

More files

Registry Modifications

The following newly produced Registry Values are:

CLSID{3157E247-2784-4028-BF0F-52D6DDC70E1B}{6C42038D-817A-472C-8C2A-EF46F1DA576D}{873C7DA8-195D-4D5A-B830-C5E2831901EA}{B89F5C49-51DB-4974-AB5A-E25901AA339C}{E9B5B0D2-D08A-49FC-8B5C-159B60BAA268}File name without pathAccelerer PC.lnkAcelerar el PC.lnkhttp_pcspeedup.com_0.localstoragePC Speed Up.lnkpcspeedup[1].exepcspeedup[1].xmlPrzyspiesz Komputer.lnkVelocidade Do PC.lnkwww.accelererpc[1].xmlZrychlenie PC.lnkRegexp file mask%WINDIR%\System32\Tasks\PC SpeedUp Service Deactivator%WINDIR%\Tasks\PC SpeedUp Service Deactivator.jobHKEY..\..\..\..{RegistryKeys}SOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\DOMStorage\accelererpc.frSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\DOMStorage\pcspeedup.comSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\DOMStorage\www.accelererpc.frSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\DOMStorage\www.pcspeedup.comSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\EdpDomStorage\accelererpc.frSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\EdpDomStorage\pcspeedup.comSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\EdpDomStorage\www.accelererpc.frSOFTWARE\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.microsoftedge_8wekyb3d8bbwe\Children\001\Internet Explorer\EdpDomStorage\www.pcspeedup.comSOFTWARE\Classes\PCSU.RegistrySOFTWARE\Classes\PCSU.Registry.1SOFTWARE\Classes\PCSU.SysUtilsSOFTWARE\Classes\PCSU.SysUtils.1Software\Microsoft\Internet Explorer\DOMStorage\pcspeedup.comSoftware\Microsoft\Internet Explorer\DOMStorage\www.pcspeedup.comSOFTWARE\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\SpeedCheckerService.exeSOFTWARE\Microsoft\Tracing\PCSUSpeedTest_RASAPI32SOFTWARE\Microsoft\Tracing\PCSUSpeedTest_RASMANCSSOFTWARE\Microsoft\Tracing\SpeedCheckerService_RASAPI32SOFTWARE\Microsoft\Tracing\SpeedCheckerService_RASMANCSSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\PC SpeedUp Service Deactivator.jobSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\CompatibilityAdapter\Signatures\PC SpeedUp Service Deactivator.job.fpSOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\PC SpeedUp Service DeactivatorSoftware\Microsoft\Windows\CurrentVersion\Run\PCSpeedUpSOFTWARE\Speedchecker LimitedSoftware\Speedchecker Limited\PC Speed UpSOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION\SpeedCheckerService.exeSOFTWARE\Wow6432Node\Microsoft\Tracing\PCSUSpeedTest_RASAPI32SOFTWARE\Wow6432Node\Microsoft\Tracing\PCSUSpeedTest_RASMANCSSOFTWARE\Wow6432Node\Microsoft\Tracing\SpeedCheckerService_RASAPI32SOFTWARE\Wow6432Node\Microsoft\Tracing\SpeedCheckerService_RASMANCSSOFTWARE\Wow6432Node\Speedchecker LimitedSOFTWARE\Wow6432Node\Speedchecker Limited\PC Speed UpSYSTEM\ControlSet001\services\PCSUServiceSYSTEM\ControlSet001\services\PCSUUCDRVSYSTEM\ControlSet002\services\PCSUUCDRVSYSTEM\CurrentControlSet\services\PCSUServiceSYSTEM\CurrentControlSet\services\PCSUUCDRVHKEY_LOCAL_MACHINE\Software\[APPLICATION]\Microsoft\Windows\CurrentVersion\Uninstall..{Uninstaller}PCSU-SL_is1

Additional Information

The following directories were created:
%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Accelerer PC%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Acelerar el PC%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\PC Speed Up%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Przyspiesz Komputer%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Velocidade Do PC%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\Zrychlenie PC%ALLUSERSPROFILE%\Start Menu\Programs\PC Speed Up%APPDATA%\Microsoft\Windows\Start Menu\Programs\PC Speed Up%LOCALAPPDATA%\Microsoft\Silverlight\OutOfBrowser\Speedchecker.PCSpeedUp%PROGRAMFILES%\Accelerer PC%PROGRAMFILES%\Acelerar el PC%PROGRAMFILES%\PC Speed Up%PROGRAMFILES%\Przyspiesz Komputer%PROGRAMFILES%\Velocidade Do PC%PROGRAMFILES%\Zrychleni Pocitace%PROGRAMFILES%\Zrychlenie PC%PROGRAMFILES(x86)%\Accelerer PC%PROGRAMFILES(x86)%\Acelerar el PC%PROGRAMFILES(x86)%\PC Speed Up%PROGRAMFILES(x86)%\Przyspiesz Komputer%PROGRAMFILES(x86)%\Velocidade Do PC%PROGRAMFILES(x86)%\Zrychleni Pocitace%PROGRAMFILES(x86)%\Zrychlenie PC%UserProfile%\Local Settings\Application Data\Microsoft\Silverlight\OutOfBrowser\Speedchecker.PCSpeedUp%userprofile%\Documents\PCSpeedUp
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