Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

4d233 86.96%
9132d 4.35%
aa5b7 4.35%
045e9 4.35%
(Note, Speedchecker Ltd publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Related files

PE structurePE file structure
Show functions
Import table
advapi32.dll
CreateServiceW, EnumDependentServicesW, QueryServiceStatusEx, StartServiceCtrlDispatcherW, DeleteService, ControlService, QueryServiceStatus, OpenServiceW, CloseServiceHandle, ChangeServiceConfig2W, StartServiceW, OpenSCManagerW, RegisterServiceCtrlHandlerW, SetServiceStatus, InitiateSystemShutdownW, RegDeleteKeyW, RegCreateKeyExW, RegDeleteValueW, RegSetValueExW, RegEnumValueW, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegEnumKeyExW
iphlpapi.dll
GetAdaptersInfo
kernel32.dll
ReadProcessMemory, OpenProcess, CloseHandle, GetProcAddress, GetModuleHandleW, Sleep, GetSystemTimeAsFileTime, GetTickCount, lstrlenW, WideCharToMultiByte, GetLastError, CopyFileW, DeleteFileW, RemoveDirectoryW, GetCurrentThreadId, CreateMutexW, WaitForSingleObject, ReleaseMutex, GetExitCodeProcess, TerminateThread, MultiByteToWideChar, CreatePipe, DuplicateHandle, GetStdHandle, GetFileType, ReadFile, CreateThread, SetConsoleCtrlHandler, FreeConsole, AttachConsole, GenerateConsoleCtrlEvent, FormatMessageW, LocalFree, FileTimeToSystemTime, FileTimeToLocalFileTime, SystemTimeToFileTime, GetLocalTime, GetCommandLineW, GetModuleFileNameW, SetCurrentDirectoryW, HeapAlloc, GetProcessHeap, HeapFree, lstrlenA, LoadLibraryW, SetLastError, FreeLibrary, GetLocaleInfoW, WriteFile, GetConsoleCP, CreateProcessW, GetStartupInfoW, GetConsoleMode, SetFilePointer, FlushFileBuffers, HeapReAlloc, FreeEnvironmentStringsW, GetEnvironmentStringsW, QueryPerformanceCounter, GetCurrentProcessId, SetEnvironmentVariableA, GetUserDefaultLCID, GetLocaleInfoA, EnumSystemLocalesA, IsValidLocale, WriteConsoleW, SetStdHandle, CreateFileW, SetEndOfFile, CompareStringW, GetCurrentProcess, InitializeCriticalSectionAndSpinCount, SetHandleCount, HeapCreate, TlsFree, TlsSetValue, TlsGetValue, TlsAlloc, IsValidCodePage, GetOEMCP, GetACP, ExitProcess, HeapSize, IsProcessorFeaturePresent, IsDebuggerPresent, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange, InterlockedExchange, GetStringTypeW, EncodePointer, DecodePointer, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, GetCPInfo, GetTimeZoneInformation, ExitThread, HeapSetInformation, RaiseException, RtlUnwind, LCMapStringW, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter
pdh.dll
PdhOpenQueryW, PdhGetFormattedCounterValue, PdhCollectQueryData, PdhAddCounterW, PdhLookupPerfNameByIndexW, PdhCloseQuery
secur32.dll
LsaFreeReturnBuffer, LsaGetLogonSessionData, LsaEnumerateLogonSessions
shell32.dll
SHGetFolderPathW
sqlite3.dll
sqlite3_extended_result_codes, sqlite3_close, sqlite3_open16, sqlite3_exec, sqlite3_free
urlmon.dll
URLDownloadToFileW
wininet.dll
InternetOpenW, InternetCloseHandle, InternetOpenUrlW

pcsuservice.exe

By Speedchecker Ltd (Signed)

Remove pcsuservice.exe
MD5:   4d2336bf839a5ba5f91bded952ff0ba1
SHA1:   c5d46651192aaaee196445e2b85f6e7d1fefe5aa
SHA256:   849556a72090a34fc4cef794ffd499b07bca3c063394dab25b6549072bd5da47

About pcsuservice.exe (from Speedchecker Ltd)

“Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take c”

Overview

pcsuservice.exe runs as a service under the name PCSUService with extensive SYSTEM privileges (full administrator access). It is installed with a couple of know programs including PC Speed Up - Disinstallazione completa published by Speedchecker Limited, PC Speed Up - Teljes uninstall from Speedchecker Limited and PC Speed Up - Teljes uninstall by Speedchecker Limited. The file is digitally signed by Speedchecker Ltd which was issued by the The USERTRUST Network certificate authority (CA). Note, some antivirus scanners have flagged this file, however it is not necessarily considered malware (see below for details).

DetailsDetails

File name:pcsuservice.exe
Typical file path:C:\Program Files\pc speed up\pcsuservice.exe
Size:282.76 KB (289,544 bytes)
Certificate
Issued to:Speedchecker Ltd
Authority (CA):The USERTRUST Network
Expiration date:Wednesday, January 9, 2013
Digital DNA
PE subsystem:Windows Console
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
PC Speed Up - Disinstallazione completa
 Speedchecker Limited
50% remove
“PC Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective tools to optimise your computer. Using one-click, PC Speed Up will make your network settings, hard disc, memory and CPU optimised and will improve the overall performance. Fast and easy to use PC Speed Up will clean your PC and will make it run faster. Do you feel that your PC does not wor...”
PC Speed Up - Teljes uninstall
 Speedchecker Limited
  68% remove
“Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC. Even experienced users find it hard to perform such tasks on regular basis. C Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective ...”
PC Speed Up - Complete uninstall
 Speedchecker Limited
  74% remove
“Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC. Even experienced users find it hard to perform such tasks on regular basis. C Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective ...”
PC Speed Up - Volledige uninstall
 Speedchecker Limited
  69% remove
“Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC. Even experienced users find it hard to perform such tasks on regular basis. C Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective ...”
PC Speed Up - Avinstallering fullført
 Speedchecker Limited
  68% remove
“Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC. Even experienced users find it hard to perform such tasks on regular basis. C Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective ...”
Przyspiesz Komputer - Kompletna deinstalacja
 Speedchecker Limited
  69% remove
“PC Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective tools to optimise your computer. Using one-click, PC Speed Up will make your network settings, hard disc, memory and CPU optimised and will improve the overall performance. Fast and easy to use PC Speed Up will clean your PC and will make it run faster. The repair process allows to fix 1 ca...”
PC Speed Up - Kompletna deinstalacja
 Speedchecker Limited
  65% remove
“PC Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective tools to optimise your computer. Using one-click, PC Speed Up will make your network settings, hard disc, memory and CPU optimised and will improve the overall performance. Fast and easy to use PC Speed Up will clean your PC and will make it run faster. Do you feel that your PC does not wor...”

BehaviorsBehaviors

Service
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • PCSUService

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.05141452%
0.028634%
Kernel CPU:0.03612971%
0.013761%
User CPU:0.01528481%
0.014873%
Kernel CPU time:1,258 ms/min
100,923,805ms/min
Context switches:11/sec
284/sec
Memory
Private memory:3.49 MB
21.59 MB
Private (maximum):1.93 MB
Private (minimum):1.11 MB
Non-paged memory:3.49 MB
21.59 MB
Virtual memory:61.72 MB
140.96 MB
Virtual memory (peak):71.61 MB
169.69 MB
Working set:845.78 KB
18.61 MB
Working set (peak):9.37 MB
37.95 MB
Resource allocations
Threads:7
12
Handles:286
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\pc speed up\pcsuservice.exe"
Owner:SYSTEM
Windows Service
Display name:PCSUService
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
PCSUService.exe (main module)
Total CPU:0.09811880%
0.272967%
Kernel CPU:0.08741972%
0.107585%
User CPU:0.01069907%
0.165382%
CPU cycles:2,450,570/sec
5,741,424/sec
Context switches:2/sec
79/sec
Memory:304 KB
1.16 MB
ntdll.dll
Total CPU:0.02065396%
Kernel CPU:0.02065396%
User CPU:0.00000000%
CPU cycles:138,994/sec
Memory:1.66 MB
wow64.dll
Total CPU:0.00182457%
Kernel CPU:0.00182457%
User CPU:0.00000000%
CPU cycles:12,626/sec
Memory:252 KB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 47.83%
Windows 7 Ultimate N 30.43%
Windows 7 Home Premium 17.39%
Microsoft Windows XP 4.35%

Distribution by countryDistribution by country

United States installs about 70.00% of pcsuservice.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 100.00%
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