Should I block it?

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

VersionsAdditional versions

253e0 11.11%
1d012 33.33%
75c70 11.11%
362d3 11.11%
2fe52 11.11%
aa9df 11.11%
cf47a 11.11%
(Note, Safe Download Limited 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, RegisterServiceCtrlHandlerExW, SetServiceStatus, InitiateSystemShutdownW, RegDeleteKeyW, RegCreateKeyExW, RegDeleteValueW, RegSetValueExW, RegEnumValueW, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegEnumKeyExW
iphlpapi.dll
GetAdaptersInfo
kernel32.dll
ReadProcessMemory, OpenProcess, CloseHandle, GetProcAddress, GetModuleHandleW, Sleep, GetSystemTimeAsFileTime, GetTickCount, CreateToolhelp32Snapshot, Process32FirstW, Process32NextW, lstrlenW, WideCharToMultiByte, GetLastError, CopyFileW, DeleteFileW, RemoveDirectoryW, GetCurrentThreadId, CreateMutexW, WaitForSingleObject, ReleaseMutex, GetExitCodeProcess, TerminateThread, MultiByteToWideChar, SetHandleInformation, GetFileType, ReadFile, CreateThread, SetConsoleCtrlHandler, FreeConsole, AttachConsole, GenerateConsoleCtrlEvent, GetCurrentProcess, 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, CreatePipe, InitializeCriticalSectionAndSpinCount, GetStdHandle, SetHandleCount, HeapCreate, TlsFree, TlsSetValue, TlsGetValue, TlsAlloc, IsValidCodePage, GetOEMCP, GetACP, ExitProcess, HeapSize, IsProcessorFeaturePresent, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange, InterlockedExchange, GetStringTypeW, EncodePointer, DecodePointer, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, GetCPInfo, GetTimeZoneInformation, ExitThread, HeapSetInformation, RaiseException, RtlUnwind, LCMapStringW, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, GlobalFree, GetSystemTime, GetFileAttributesW
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
winhttp.dll
WinHttpQueryDataAvailable, WinHttpQueryHeaders, WinHttpReceiveResponse, WinHttpWriteData, WinHttpGetProxyForUrl, WinHttpGetIEProxyConfigForCurrentUser, WinHttpSendRequest, WinHttpAddRequestHeaders, WinHttpSetOption, WinHttpReadData, WinHttpConnect, WinHttpCrackUrl, WinHttpSetTimeouts, WinHttpOpen, WinHttpCloseHandle, WinHttpOpenRequest
wininet.dll
InternetOpenW, InternetCloseHandle, InternetOpenUrlW

pcsuservice.exe

By Safe Download Limited (Signed)

Remove pcsuservice.exe
MD5:   2fe52f3547835c18bea0962f373d986c
SHA1:   9f76dab90e9315929441509c8f42d262a07da576

About pcsuservice.exe (from Safe Download Limited)

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, P

Overview

pcsuservice.exe runs as a service under the name PC Speed Up Service (PCSUService) with extensive SYSTEM privileges (full administrator access). It is installed with a couple of know programs including Acelerar el PC published by Speedchecker Limited, PC Speed Up from Speedchecker Limited and PC Speed Up by Speedchecker Limited. The file is digitally signed by Safe Download Limited which was issued by the DigiCert Inc certificate authority (CA).

DetailsDetails

File name:pcsuservice.exe
Typical file path:C:\Program Files\pc speed up\pcsuservice.exe
Size:333.79 KB (341,800 bytes)
Certificate
Issued to:Safe Download Limited
Authority (CA):DigiCert Inc
Effective date:Sunday, July 1, 2012
Expiration date:Tuesday, August 26, 2014
Digital DNA
PE subsystem:Windows Console
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Speedchecker Limited
  68% 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...
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 ...
Speedchecker Limited
48% remove
Speedchecker Limited
  56% remove

BehaviorsBehaviors

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

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00009302%
0.028634%
Kernel CPU:0.00004625%
0.013761%
User CPU:0.00004677%
0.014873%
Kernel CPU time:3,713 ms/min
100,923,805ms/min
Memory
Private memory:11.62 MB
21.59 MB
Private (maximum):16.11 MB
Private (minimum):11.01 MB
Non-paged memory:11.62 MB
21.59 MB
Virtual memory:78.6 MB
140.96 MB
Virtual memory (peak):86.11 MB
169.69 MB
Working set:16.07 MB
18.61 MB
Working set (peak):21.02 MB
37.95 MB
Resource allocations
Threads:6
12
Handles:221
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\pc speed up\pcsuservice.exe"
Owner:SYSTEM
Windows Service
Service name:PCSUService
Display name:PC Speed Up Service
Description:“PC Speed Up service.”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 25.00%
Windows 7 Professional 25.00%
Windows 7 Ultimate 12.50%
Windows 7 Ultimate N 12.50%
Windows 8 12.50%
Microsoft Windows XP 12.50%

Distribution by countryDistribution by country

United States installs about 37.50% of pcsuservice.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 33.33%
Toshiba 33.33%
Samsung 16.67%
Hewlett-Packard 16.67%
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