Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4,0,7,70004 10.53%
4,0,1,55145 5.26%
3,7,1,42499 10.53%
3,7,1,39149 5.26%
3,2,0,29 10.53%
1,17,0,4 15.79%
1,16,0,7 21.05%
1,13,0,17 21.05%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumValueW, AdjustTokenPrivileges, LookupPrivilegeValueW, OpenProcessToken, QueryServiceConfigW, EnumServicesStatusW, ChangeServiceConfigW, QueryServiceConfig2W, OpenServiceW, OpenSCManagerW, DeleteService, CloseServiceHandle, RegDeleteValueW, RegSetValueExW, RegCloseKey, RevertToSelf, RegOpenCurrentUser, ImpersonateLoggedOnUser, RegDeleteKeyW, RegOpenKeyW, RegQueryValueExW, RegEnumKeyW, RegCreateKeyW, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, CreateProcessAsUserW, RegCreateKeyExW, RegOpenKeyExW
bdapiutil.dll
BDRegSetValueExW, BDRegDeleteValueW, BDRegOpenKeyExW, BDRegCloseKey
datareport.dll
Stop, RD_WS, Start, RD_W
kernel32.dll
GetLongPathNameW, FindFirstFileW, SystemTimeToFileTime, CreateDirectoryW, GetLastError, GetDiskFreeSpaceW, FindClose, FindNextFileW, GetSystemTime, SetFileAttributesW, GetModuleHandleW, GetVersionExW, SetLastError, GetCurrentProcess, OpenProcess, Process32FirstW, Process32NextW, WTSGetActiveConsoleSessionId, CreateToolhelp32Snapshot, GetFullPathNameW, GetFullPathNameA, HeapReAlloc, CreateFileA, GetFileSize, CreateMutexW, MapViewOfFile, UnmapViewOfFile, SetEndOfFile, GetCurrentDirectoryW, InterlockedCompareExchange, UnlockFile, LockFile, UnlockFileEx, GetSystemTimeAsFileTime, FormatMessageA, FormatMessageW, HeapDestroy, GetFileAttributesA, HeapCreate, HeapValidate, ReadFile, FlushFileBuffers, HeapSize, LockFileEx, LoadLibraryA, CreateFileMappingW, GetDiskFreeSpaceA, GetSystemInfo, GetFileAttributesExW, GetVersionExA, GetCurrentProcessId, GetTempPathA, AreFileApisANSI, DeleteFileA, CompareStringW, CompareStringA, GetTempPathW, GetFileAttributesW, GetSystemDirectoryW, GetSystemWindowsDirectoryW, SetErrorMode, GetEnvironmentVariableW, LocalFree, GetProcAddress, LoadLibraryW, FreeLibrary, FileTimeToSystemTime, GetProcessTimes, GetTickCount, DeleteFileW, SetFilePointer, CloseHandle, DeleteCriticalSection, LockResource, EnterCriticalSection, MultiByteToWideChar, CreateFileW, GetModuleFileNameW, LeaveCriticalSection, SizeofResource, Sleep, WideCharToMultiByte, InitializeCriticalSection, WriteFile, IsBadReadPtr, GetProcessHeap, HeapFree, InterlockedDecrement, MoveFileExW, InterlockedIncrement, HeapAlloc, LoadResource, FindResourceW, FindResourceExW, QueryPerformanceCounter, SetStdHandle, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, GetLocaleInfoW, InitializeCriticalSectionAndSpinCount, GetStringTypeW, GetStringTypeA, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, GetUserDefaultLCID, GetModuleHandleA, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, GetConsoleMode, GetConsoleCP, GetStartupInfoA, GetFileType, SetHandleCount, GetTimeZoneInformation, GetModuleFileNameA, GetStdHandle, GetDateFormatA, GetTimeFormatA, ExitProcess, TlsFree, TlsSetValue, RaiseException, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, GetCurrentThreadId, GetCommandLineA, RtlUnwind, LCMapStringA, LCMapStringW, GetCPInfo, VirtualFree, VirtualAlloc, GetACP, GetOEMCP, IsValidCodePage, TlsGetValue, TlsAlloc, SetEnvironmentVariableA, GetPrivateProfileStringW, WaitForSingleObject, InterlockedExchange, ExitThread, CreateThread, SetEvent, SleepEx, OpenMutexW, QueueUserAPC, GetLocalTime, WaitForMultipleObjects, OpenFileMappingW, OpenSemaphoreW, ReleaseMutex, GetModuleHandleExW, GetPrivateProfileSectionW, ExpandEnvironmentStringsW, OutputDebugStringW, lstrlenA, OpenEventW, ResumeThread
log.dll
WriteLog
ole32.dll
CoInitialize, CoInitializeSecurity, CoTaskMemFree, CoUninitialize, CoCreateInstance, CoInitializeEx, CoSetProxyBlanket
psapi.dll
EnumProcessModules, GetModuleFileNameExW, GetProcessMemoryInfo
shell32.dll
SHGetSpecialFolderPathW, CommandLineToArgvW, ShellExecuteExW, SHGetFolderPathW
shlwapi.dll
PathFindFileNameW, PathRemoveFileSpecW, PathFileExistsW, PathAppendW, wnsprintfW, PathIsDirectoryW, PathAddBackslashW, PathIsURLW, SHGetValueW, PathRemoveExtensionW
sqlite.dll
sqlite3_column_name16, sqlite3_step, sqlite3_finalize, sqlite3_prepare16, sqlite3_open16, sqlite3_busy_timeout, sqlite3_column_text16, sqlite3_errmsg16, sqlite3_column_count, sqlite3_bind_text16, sqlite3_close, sqlite3_changes, sqlite3_reset, sqlite3_free
user32.dll
wsprintfW
version.dll
GetFileVersionInfoSizeW, GetFileVersionInfoW, VerQueryValueW
wtsapi32.dll
WTSQueryUserToken, WTSFreeMemory, WTSEnumerateSessionsW
Export table
_DllMain@12
CreateObject

sysoptengine.dll

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

Remove sysoptengine.dll
Version:   3,2,0,29
MD5:   f06262d824e764b929f6aa3ac3f338ea
SHA1:   285a6ca2a462c7c8cd7562a8d46e634223dd6870
SHA256:   70391e1a1e44ef407df96f24ebe14377a1147c4680f6ef79241cf9181238f7fe

Overview

sysoptengine.dll is loaded as dynamic link library that runs in the context of a process. This is typically installed with the program Baidu PC Faster published by Baidu, Inc. and is most likely removed by most users once installed (65% removed). The file is digitally signed by Baidu Online Network Technology (Beijing)Co. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:sysoptengine.dll
Publisher:Baidu Inc.
Product name:Baidu PC Faster
Description:PC Faster Speed Up Engine
Typical file path:C:\Program Files\baidu security\pc faster\plugins\plugin.optimizer\sysoptengine.dll
File version:3,2,0,29
Size:1.58 MB (1,660,328 bytes)
Build date:5/19/2013 7:53 PM
Certificate
Issued to:Baidu Online Network Technology (Beijing)Co.
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following program 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."

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 36.84%
Windows 7 Ultimate 26.32%
Windows 7 Professional 15.79%
Windows 8 Single Language 5.26%
Windows 8.1 5.26%
Windows 8.1 Enterprise 5.26%
Windows 7 Home Premium 5.26%

Distribution by countryDistribution by country

Thailand installs about 42.11% of Baidu PC Faster.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 30.00%
Lenovo 20.00%
Hewlett-Packard 20.00%
Intel 20.00%
GIGABYTE 10.00%
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