Should I block it?

45%
45% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

4,0,7,71382 2.17%
4,0,1,55251 4.35%
4,0,0,48672 2.17%
3,7,1,43377 17.39%
3,7,1,42904 2.17%
3,7,1,41782 2.17%
3,7,1,39149 4.35%
3,2,0,29 13.04%
3,2,0,25 2.17%
3,0,0,4 2.17%
1,18,0,9 2.17%
1,17,0,4 10.87%
1,16,0,7 17.39%
1,16,0,6 2.17%
1,13,0,17 15.22%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
SetSecurityDescriptorSacl, RegDeleteValueW, RegCloseKey, RegCreateKeyExW, RegOpenKeyExW, RegEnumKeyExW, RegSetValueExW, RegQueryInfoKeyW, RegCreateKeyW, RegOpenKeyW, RegQueryValueExW, GetUserNameW, RevertToSelf, RegOpenCurrentUser, ImpersonateLoggedOnUser, ConvertSidToStringSidW, LookupAccountNameW, AdjustTokenPrivileges, LookupPrivilegeValueW, OpenProcessToken, CreateProcessAsUserW, SetSecurityInfo, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, ConvertStringSecurityDescriptorToSecurityDescriptorW, GetSecurityDescriptorSacl, RegDeleteKeyW
comctl32.dll
InitCommonControlsEx
directui.dll
DirectUI_GetStringItem, DirectUI_Button_SetCheck, DirectUI_ShowControl, DirectUI_EnableControl, DirectUI_GetStringLength, DirectUI_SetControlPos, DirectUI_ComboBox_SetCurSel, DirectUI_ComboBox_GetCurSel, DirectUI_Button_GetCheck, DirectUI_SubclassWindow, DirectUI_SetControlText, DirectUI_ListCtrl_EnsureVisible, DirectUI_TreeCtrl_SetTooltipString, DirectUI_TreeCtrl_ShowControl, DirectUI_TreeCtrl_SetControlText, DirectUI_TreeCtrl_InsertItem, DirectUI_TreeCtrl_DeleteAllItems, DirectUI_Progress_SetRange, DirectUI_TreeCtrl_EnableAnimate, DirectUI_AutoText_SetControlText, DirectUI_SetControlTextEx, DirectUI_GetControlRect, DirectUI_Progress_SetPos, DirectUI_LoadSkinResourceFromFolder, DirectUI_TrackPopupMenu, DirectUI_UpdateSkin, DirectUI_GetControlText, DirectUI_IsControlVisible, _DirectUI_ChangeStyle@12, DirectUI_ComboBox_AddString, _DirectUI_GetControlPos@28, DirectUI_SetLanguageStyle
gdi32.dll
DeleteObject
iphlpapi.dll
GetAdaptersAddresses
kernel32.dll
GetDateFormatA, GetTimeFormatA, SetConsoleCtrlHandler, FlushFileBuffers, GetTickCount, QueryPerformanceCounter, GetCommandLineW, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetConsoleMode, GetConsoleCP, SetFilePointer, GetStartupInfoA, GetFileType, SetHandleCount, IsValidCodePage, GetOEMCP, GetACP, GetTimeZoneInformation, GetModuleHandleA, GetModuleFileNameA, GetStdHandle, ExitProcess, GetCurrentThread, TlsFree, WaitForSingleObject, TlsAlloc, TlsGetValue, FatalAppExitA, HeapCreate, GetCPInfo, LCMapStringW, WideCharToMultiByte, LCMapStringA, GetStartupInfoW, CreateThread, ExitThread, GetSystemTimeAsFileTime, IsDebuggerPresent, GetUserDefaultLCID, RtlUnwind, InterlockedExchange, VirtualAlloc, VirtualFree, IsProcessorFeaturePresent, LoadLibraryA, InterlockedCompareExchange, HeapSize, HeapReAlloc, HeapDestroy, SetUnhandledExceptionFilter, GetLocaleInfoA, EnumSystemLocalesA, IsValidLocale, GetStringTypeA, GetStringTypeW, InitializeCriticalSectionAndSpinCount, GetLocaleInfoW, SetStdHandle, WriteConsoleA, GetConsoleOutputCP, WriteConsoleW, SetEndOfFile, CreateFileA, CompareStringA, CompareStringW, WritePrivateProfileSectionW, WritePrivateProfileStringW, GetPrivateProfileStringW, WTSGetActiveConsoleSessionId, LocalFree, CreateFileW, WriteFile, CreateToolhelp32Snapshot, Process32FirstW, Process32NextW, LoadLibraryW, HeapAlloc, IsBadReadPtr, GetDiskFreeSpaceW, GetProcessHeap, HeapFree, GetLongPathNameW, SetLastError, GetVersionExW, lstrcmpiW, LoadLibraryExW, MultiByteToWideChar, FreeLibrary, InitializeCriticalSection, GetModuleFileNameW, lstrlenW, InterlockedDecrement, InterlockedIncrement, SetEnvironmentVariableA, OpenFileMappingW, IsBadWritePtr, VirtualQuery, TerminateProcess, CreateProcessW, GetLocalTime, VerSetConditionMask, VerifyVersionInfoW, CreateDirectoryW, ReadFile, GetFileSize, OpenProcess, Thread32Next, ResumeThread, SuspendThread, OpenThread, GetCurrentProcessId, Thread32First, UnhandledExceptionFilter, GetCurrentProcess, FlushInstructionCache, LeaveCriticalSection, EnterCriticalSection, FindResourceExW, LoadResource, LockResource, SizeofResource, FindResourceW, RaiseException, DeleteCriticalSection, GetPrivateProfileIntW, CreateFileMappingW, GetLastError, MapViewOfFile, CloseHandle, UnmapViewOfFile, Sleep, GetModuleHandleW, GetProcAddress, GetCurrentThreadId, TlsSetValue, ExpandEnvironmentStringsW, IsDBCSLeadByteEx, CreateMutexW, ReleaseMutex, GetPrivateProfileSectionW, GlobalAlloc, GlobalFree, DeviceIoControl, GetExitCodeProcess
log.dll
CreateLog, WriteLog
ole32.dll
CoCreateInstance, CoTaskMemRealloc, CoInitialize, CoTaskMemAlloc, CoTaskMemFree, CoUninitialize, CoCreateGuid
rpcrt4.dll
UuidToStringW, UuidCreate, RpcStringFreeW
shell32.dll
SHQueryRecycleBinW, SHGetSpecialFolderPathW, SHGetFolderPathW, SHAppBarMessage, ShellExecuteW, Shell_NotifyIconW, ShellExecuteExW
shlwapi.dll
PathAppendW, PathRemoveFileSpecW, PathCombineW, PathFileExistsW, StrRChrW, StrFormatByteSizeW, PathFindFileNameW, SHGetValueW, PathFindExtensionW, PathAddBackslashW
urlmon.dll
FindMimeFromData
user32.dll
MonitorFromWindow, GetMonitorInfoW, wsprintfW, ScreenToClient, MonitorFromPoint, GetMenuItemInfoW, RemoveMenu, GetMenuItemCount, TrackPopupMenuEx, InvalidateRect, PtInRect, GetClientRect, MapWindowPoints, SetWindowPos, PeekMessageW, GetMessageW, TranslateMessage, DispatchMessageW, DestroyMenu, MessageBeep, LoadStringA, PostQuitMessage, SetFocus, GetWindowLongW, GetWindowRect, GetWindow, GetParent, DefWindowProcW, SendMessageW, DestroyWindow, RegisterClassExW, LoadImageW, LoadCursorW, GetClassInfoExW, CreateWindowExW, SetWindowLongW, RegisterWindowMessageW, CharNextW, LoadIconW, DestroyIcon, SetMenuItemBitmaps, AppendMenuW, UnregisterClassA, CreatePopupMenu, TranslateAcceleratorW, LoadBitmapW, AttachThreadInput, WindowFromPoint, GetWindowThreadProcessId, ClientToScreen, SetMenuDefaultItem, GetCursorPos, RedrawWindow, SetActiveWindow, SetForegroundWindow, GetActiveWindow, IsWindowVisible, GetPropW, RegisterClassW, SetPropW, CallWindowProcW, BringWindowToTop, GetDlgItem, CreateDialogParamW, GetDesktopWindow, GetShellWindow, GetForegroundWindow, FindWindowW, GetSystemMetrics, MoveWindow, UpdateWindow, SetLayeredWindowAttributes, IsWindow, ShowWindow, EndDialog, SetWindowTextW, PostMessageW, DialogBoxParamW, KillTimer, SetTimer, LoadStringW, SetCursor
userenv.dll
DestroyEnvironmentBlock, CreateEnvironmentBlock
version.dll
VerQueryValueW, GetFileVersionInfoW, GetFileVersionInfoSizeW
winhttp.dll
WinHttpReadData, WinHttpQueryHeaders, WinHttpReceiveResponse, WinHttpWriteData, WinHttpSendRequest, WinHttpSetCredentials, WinHttpOpenRequest, WinHttpConnect, WinHttpCloseHandle, WinHttpOpen, WinHttpSetOption, WinHttpCreateUrl, WinHttpAddRequestHeaders
wininet.dll
InternetCrackUrlW, InternetOpenW, InternetConnectW, HttpOpenRequestW, HttpSendRequestW, HttpQueryInfoW, InternetReadFile, InternetCloseHandle, InternetCreateUrlW
wtsapi32.dll
WTSQueryUserToken, WTSEnumerateSessionsW, WTSFreeMemory

pcfaster.exe

Baidu PC Faster by Baidu Online Network Technology (Beijing)Co. (Signed)

Remove pcfaster.exe
Version:   4,0,1,55251
MD5:   41eb3ee22f37d54c56a78170608c5da7
SHA1:   50b9fdbfb399bdc644c5bf28860c67c2adfe142d

Overview

pcfaster.exe executes as a process with the local user's privileges. It is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). It is installed with a couple of know programs including Baidu PC Faster published by Baidu, Inc., Baidu PC Faster from Baidu, Inc. and Baidu PC Faster by Baidu, Inc.. The file is digitally signed by Baidu Online Network Technology (Beijing)Co. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:pcfaster.exe
Publisher:Baidu Inc.
Product name:Baidu PC Faster
Typical file path:C:\Program Files\baidu security\pc faster\pcfaster.exe
File version:4,0,1,55251
Size:558.48 KB (571,888 bytes)
Build date:12/30/2013 6:42 PM
Certificate
Issued to:Baidu Online Network Technology (Beijing)Co.
Authority (CA):VeriSign
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Baidu, Inc.
  65% remove
The software is typically bundled with third party installers such as Open Candy. "Offer your users a free system maintenance and utility suite to help them get the most out of their PC’s performance."

BehaviorsBehaviors

Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'Baidu PC Faster 4.0.0.0' → "C:\Program Files\Baidu Security\PC Faster\4.0.0.0\PCFaster.exe" -auto -start
  • 'Baidu PC Faster 3.7.0.0' → "C:\Program Files\Baidu Security\PC Faster\3.7.0.0\PCFaster.exe" -auto -start
  • 'Baidu PC Faster 3.2.0.25' → "C:\Program Files\Baidu Security\PC Faster\3.2.0.25\PCFaster.exe" -auto -start
  • 'Baidu PC Faster 3.2.0.29' → "C:\Program Files\Baidu Security\PC Faster\3.2.0.29\PCFaster.exe" -auto -start
  • 'Baidu PC Faster 3.0.0.4' → "C:\Program Files\Baidu Security\PC Faster\3.0.0.4\PCFaster.exe" -auto -start
  • 'Baidu PC Faster 1.18.0.9' → "C:\Program Files\Baidu Security\PC Faster\1.18.0.9\PCFaster.exe" -auto -start
  • 'BaiduPCFaster' → "C:\Program Files\Baidu Security\PC Faster\PCFaster.exe" -auto -start

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 32.61%
Windows 7 Ultimate 26.09%
Windows 7 Professional 19.57%
Windows 7 Home Premium 6.52%
Windows 8 Pro 4.35%
Windows 8 Single Language 2.17%
Windows 8.1 2.17%
Windows 8.1 Enterprise 2.17%
Windows 8.1 Pro 2.17%
Windows 7 Enterprise 2.17%

Distribution by countryDistribution by country

Thailand installs about 36.96% of Baidu PC Faster.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 26.47%
Hewlett-Packard 11.76%
GIGABYTE 11.76%
Compaq 11.76%
Intel 11.76%
Lenovo 5.88%
ASUS 5.88%
MSI 5.88%
Toshiba 5.88%
American Megatrends 2.94%
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