Should I block it?

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

VersionsAdditional versions

88ad9 92.31%
d55e7 7.69%
(Note, Speedchecker Ltd publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
GetUserNameW
kernel32.dll
GetLastError, CloseHandle, GetModuleFileNameW, SetCurrentDirectoryW, lstrlenA, WideCharToMultiByte, MultiByteToWideChar, lstrlenW, CreateFileW, WriteConsoleW, SetStdHandle, LoadLibraryW, Sleep, GetConsoleCP, SetFilePointer, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, GetUserDefaultLCID, IsValidCodePage, GetOEMCP, GetACP, GetLocaleInfoW, GetSystemTimeAsFileTime, GetCurrentProcessId, GetConsoleMode, CreateProcessW, GetTickCount, QueryPerformanceCounter, GetFileType, InitializeCriticalSectionAndSpinCount, SetHandleCount, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetStdHandle, WriteFile, HeapReAlloc, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange, InterlockedExchange, GetStringTypeW, EncodePointer, DecodePointer, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, HeapFree, GetCommandLineW, HeapSetInformation, GetStartupInfoW, GetCPInfo, RaiseException, RtlUnwind, HeapAlloc, LCMapStringW, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, IsProcessorFeaturePresent, HeapCreate, TlsAlloc, TlsGetValue, TlsSetValue, TlsFree, GetModuleHandleW, SetLastError, GetCurrentThreadId, GetProcAddress, HeapSize, ExitProcess, FlushFileBuffers
shell32.dll
ShellExecuteW, Shell_NotifyIconW, SHGetFolderPathW
sqlite3.dll
sqlite3_close, sqlite3_exec, sqlite3_extended_result_codes, sqlite3_open16, sqlite3_free
user32.dll
DestroyMenu, DefWindowProcW, DispatchMessageW, MessageBoxW, GetSystemMetrics, DestroyWindow, GetMessageW, PostQuitMessage, GetSubMenu, SetForegroundWindow, LoadCursorW, TranslateMessage, RegisterClassExW, LoadIconW, TrackPopupMenuEx, LoadMenuW, GetCursorPos, LoadStringW, CreateWindowExW

pcsunotifier.exe

By Speedchecker Ltd (Signed)

Remove pcsunotifier.exe
MD5:   88ad973cbe5e3b37e0b2a44c7949dfd7
SHA1:   c1c85ce35bc2f059fe10cf4fdb602af3a0f0e2db
SHA256:   666a05a361110411ebe36a397c813611fbb62792976778e955b7bd85b6774d5f

About pcsunotifier.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

pcsunotifier.exe executes as a process with the local user's privileges. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). 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:pcsunotifier.exe
Typical file path:C:\Program Files\pc speed up\pcsunotifier.exe
Size:184.26 KB (188,680 bytes)
Certificate
Issued to:Speedchecker Ltd
Authority (CA):The USERTRUST Network
Expiration date:Wednesday, January 9, 2013
Digital DNA
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

Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'PCSpeedUp' → C:\Program Files\PC Speed Up\PCSUNotifier.exe

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.03279359%
0.028634%
Kernel CPU:0.02108159%
0.013761%
User CPU:0.01171199%
0.014873%
Kernel CPU time:90 ms/min
100,923,805ms/min
Memory
Private memory:1.79 MB
21.59 MB
Private (maximum):1.13 MB
Private (minimum):976 KB
Non-paged memory:1.79 MB
21.59 MB
Virtual memory:46.16 MB
140.96 MB
Virtual memory (peak):47.16 MB
169.69 MB
Working set:876 KB
18.61 MB
Working set (peak):4.35 MB
37.95 MB
Resource allocations
Threads:1
12
Handles:50
600
GUI GDI count:15
103
GUI GDI peak:16
142
GUI USER count:5
49
GUI USER peak:5
71

BehaviorsProcess properties

Integrety level:Medium
Platform:32-bit
Command line:"C:\Program Files\pc speed up\pcsunotifier.exe"
Owner:User

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 46.15%
Windows 7 Ultimate N 38.46%
Microsoft Windows XP 7.69%
Windows 7 Home Premium 7.69%

Distribution by countryDistribution by country

United States installs about 80.00% of pcsunotifier.exe.
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