Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

02.29.73.00 0.95%
02.29.19.83 1.90%
02.27.14.88 0.95%
02.25.32.45 11.43%
02.19.72.18 0.95%
02.13.04.49 2.86%
02.05.76.03 0.95%
02.04.35.50 1.90%
01.99.34.95 1.90%
01.97.82.80 5.71%
01.94.20.38 2.86%
01.89.86.91 1.90%
01.88.56.76 1.90%
01.82.67.49 1.90%
01.78.87.58 11.43%
01.74.87.19 0.95%
01.71.93.25 0.95%
01.71.49.02 0.95%
01.70.46.67 1.90%
01.68.04.89 4.76%
01.68.03.24 0.95%
01.67.20.08 0.95%
01.67.01.96 0.95%
01.64.55.98 0.95%
01.63.87.14 6.67%
View more

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
SetSecurityDescriptorDacl, InitializeSecurityDescriptor, RegOpenKeyA, RegQueryValueExA, RegCloseKey
kernel32.dll
GetCurrentProcessId, GetVersionExA, QueryPerformanceCounter, QueryPerformanceFrequency, SetThreadAffinityMask, GetCurrentThread, GetSystemInfo, GetProcAddress, GetModuleHandleA, GetProcessAffinityMask, GetCurrentProcess, SetProcessAffinityMask, Sleep, IsDebuggerPresent, GetCurrentThreadId, EnterCriticalSection, LeaveCriticalSection, TerminateProcess, OutputDebugStringA, LoadLibraryW, GetModuleFileNameA, LoadLibraryA, VirtualFree, VirtualProtect, VirtualAlloc, HeapUnlock, HeapWalk, HeapQueryInformation, HeapLock, GetProcessHeap, GetProcessHeaps, GetCommandLineA, InterlockedExchange, DebugBreak, DeleteCriticalSection, FreeLibrary, InitializeCriticalSection, InterlockedCompareExchange, GetLastError, HeapFree, HeapAlloc, HeapValidate, InterlockedExchangeAdd, HeapSize, InterlockedDecrement, InterlockedIncrement, LoadLibraryExA, LoadLibraryExW, MultiByteToWideChar, WideCharToMultiByte, GetModuleFileNameW, GlobalMemoryStatusEx, GlobalAlloc, WaitForSingleObject, CreateProcessA, SetThreadPriority, SetPriorityClass, DeviceIoControl, CreateFileA, GetTickCount, SetEvent, ExitThread, TerminateThread, CreateThread, CreateEventA, RaiseException, OpenProcess, GetExitCodeThread, OpenThread, GetThreadPriority, WaitForMultipleObjects, ReleaseSemaphore, ReleaseMutex, TlsFree, InitializeCriticalSectionAndSpinCount, SuspendThread, ResumeThread, ResetEvent, CreateSemaphoreA, CreateMutexA, SetLastError, TlsAlloc, TlsGetValue, TlsSetValue, ReadFile, SetEndOfFile, WriteConsoleW, SetEnvironmentVariableA, CompareStringW, FlushFileBuffers, SetStdHandle, GetConsoleMode, GetConsoleCP, SetFilePointer, GetStringTypeW, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetTimeZoneInformation, GlobalLock, CloseHandle, GlobalUnlock, LCMapStringW, GetStartupInfoW, RtlUnwind, HeapCreate, HeapDestroy, HeapReAlloc, GetSystemTimeAsFileTime, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, GetModuleHandleW, UnhandledExceptionFilter, SetUnhandledExceptionFilter, VirtualQuery, IsProcessorFeaturePresent, WriteFile, GetStdHandle, ExitProcess, SetHandleCount, GetFileType, CreateFileW, GetComputerNameExA, GetComputerNameExW, GetExitCodeProcess, GetProcessId, RtlCaptureStackBackTrace, CopyFileW, MoveFileW, MoveFileExW, ReplaceFileW, DeleteFileW, GetShortPathNameW, GetFileAttributesW, GetFileAttributesExW, SetFileAttributesW, CreateDirectoryW, RemoveDirectoryW, SetCurrentDirectoryW, GetCurrentDirectoryW, GetFullPathNameW, GetTempFileNameW, GetBinaryTypeW, CreateProcessW, GetDriveTypeW, SetEnvironmentVariableW
shell32.dll
ShellExecuteExW, SHGetSpecialFolderPathA
user32.dll
DialogBoxParamA, EnumWindows, IsWindowVisible, GetWindowThreadProcessId, GetDlgItemInt, EndDialog, OpenClipboard, EmptyClipboard, GetWindowTextLengthA, wsprintfA, SetClipboardData, CloseClipboard, MessageBoxA, SetDlgItemTextA, SetDlgItemInt, GetWindowRect, GetDesktopWindow, SetWindowPos, GetDlgItem, FindWindowA, PostMessageA
Export table
_DMsg
_DSpewMessage
_ExitOnFatalAssert
_SpewInfo
_SpewMessage
_SpewMessageType
AllocateCrashMemoryReserve
AreStackTrackingFiltersEnabledAtStart
AssertMsgImplementation
BBlockingGetMiniDumpLock
BGetMiniDumpLock
BWritingFatalMiniDump
BWritingMiniDump
BWritingNonFatalMiniDump
CallAssertFailedNotifyFunc
CallFlushLogFunc
CatchAndWriteMiniDump
CatchAndWriteMiniDumpEx
CatchAndWriteMiniDumpExForVoidPtrFn
CatchAndWriteMiniDumpExReturnsInt
CatchAndWriteMiniDumpForVoidPtrFn
chdir_utf8
ClearStackTrackingFilters
ClearWritingMiniDump
CopyFileUTF8
CrackSmokingCompiler
CreateDirectoryUTF8
CreateFileUTF8
CreateProcessUTF8
CreateSimpleProcess
CreateVProfile
DeclareCurrentThreadIsMainThread
DLog
DoNewAssertDialog
DWarning
EnableCrashingOnCrashes
Error
ETWBegin
ETWEnd
ETWGetRenderFrameNumber
ETWGetVTraceDir
ETWIsTracingEnabled
ETWKeyDown
ETWMark
ETWMark1F
ETWMark1I
ETWMark1S
ETWMark2F
ETWMark2I
ETWMark2S
ETWMark3F
ETWMark3I
ETWMark4F
ETWMark4I
ETWMarkPrintf
ETWMouseDown
ETWMouseMove
ETWMouseUp
ETWMouseWheel
ETWOverlayFrameMark
ETWReadPacket
ETWRecordTrace
ETWRenderFrameMark
ETWResourceFrameMark
ETWSendPacket
ETWSimFrameMark
ETWThrottled
fopen_utf8
FreeCrashMemoryReserve
freopen_utf8
g_cBadCycleCountReceived
g_ClockSpeed
g_ClockSpeedMicrosecondsMultiplier
g_ClockSpeedMillisecondsMultiplier
g_ClockSpeedSecondsMultiplier
g_CpuTimeUnreliable
g_dwClockSpeed
g_dwDllEntryThreadId
g_pMemAllocSteam
g_ulLastCycleSample
g_VProfile
g_VProfManager
g_VProfProfilesRunningCount
GetAvailableRAM
GetBinaryTypeUTF8
GetCPUInformation
GetCrashHandlerFactory
GetCRunTimeVersion
GetCurrentDirectoryUTF8
getcwd_utf8
GetFileAttributesExUTF8
GetFileAttributesUTF8
GetFullPathNameUTF8
GetInstalledRAM
GetLocalHostname
GetModuleFileNameUTF8
GetNumberOfSpewAndLogGroups
GetNumberOfStackTrackingFilters
GetPortableSystemInformation
GetShortPathNameUTF8
GetSpewAndLogLevel
GetSpewAndLogLevelByGroupIndex
GetSpewOutputFunc
GetStackTrackingFilter
GetTempFileNameUTF8
HasStackTrackingFilters
InitializeStackTrackingFilters
InitPME
Is64BitOS
IsInAssert
IsLogActive
IsSpewActive
IsStackTrackingFiltered
LoadLibraryUTF8
Log
MiniDumpUnlock
mkdir_utf8
MoveFileExUTF8
MoveFileUTF8
Msg
Plat_AbsoluteTime
Plat_AbsoluteTimeToFloat
Plat_Alloc
Plat_asctime
Plat_AttachDebuggerToProcess
Plat_ctime
Plat_daylight
Plat_ExitProcess
Plat_FloatTime
Plat_Free
Plat_GetCommandLine
Plat_GetCurrentThreadID
PLAT_GetExecutablePath
PLAT_GetExecutablePathUTF8
Plat_GetStackBackTrace
Plat_gmtime
Plat_IsInDebugSession
Plat_localtime
Plat_MSTime
Plat_MSTime64
Plat_OutputDebugString
Plat_OutputDebugStringRaw
Plat_PrimaryThreadID
Plat_Realloc
Plat_RegisterPrimaryThread
Plat_RegisterThread
Plat_RelativeTickFrequency
Plat_RelativeTicks
Plat_SetThreadName
Plat_TickDiffMicroSec
Plat_TickDiffMilliSec
Plat_timegm
Plat_timezone
Plat_VirtualAccessFlags
Plat_VirtualAlloc
Plat_VirtualFree
Plat_VirtualProtect
RealGetCallStack
RealPrintCallStack
RealPrintRawCallStack
ReleaseThreadHandle
remove_utf8
RemoveDirectoryUTF8
rename_utf8
ReplaceFileUTF8
rmdir_utf8
SetAssertDumpStack
SetAssertFailedNotifyFunc
SetCurrentDirectoryUTF8
SetFileAttributesUTF8
SetFlushLogFunc
SetFullMemoryDumpOnCrash
SetInAssert
SetMiniDumpAppID
SetMiniDumpBuildID
SetMiniDumpSteamID
SetStackTrackingFilter
ShouldUseNewAssertDialog
ShutdownPME
SpewActivate
SpewAndLogActivate
SpewAndLogChangeIfStillDefault
SpewChangeIfStillDefault
SpewOutputFunc
Test_HasFailed
Test_HasFinished
Test_IsActive
Test_RunFrame
Test_RunTest
Test_SetFailed
Test_TerminateThread
TestThread_Yield
ThreadCloseProcess
ThreadFindProcessByName
ThreadGetCurrentHandle
ThreadGetCurrentProcessHandle
ThreadGetCurrentProcessId
ThreadGetCurrentReference
ThreadGetCurrentRunningRef
ThreadGetPriority
ThreadGetProcessExitCode
ThreadGetProcessId
ThreadInMainThread
ThreadInterlockedAssignIf64
ThreadInterlockedCompareExchange64
ThreadInterlockedDecrement64
ThreadInterlockedExchange64
ThreadInterlockedExchangeAdd64
ThreadInterlockedIncrement64
ThreadIsProcessActive
ThreadIsThreadIdRunning
ThreadIsThreadRunning
ThreadOpenProcess
ThreadSetAffinity
ThreadSetDebugName
ThreadSetPriority
ThreadShellExecute
ThreadSleep
ThreadTerminate
ThreadTerminateProcess
ThreadTerminateProcessCode
ThreadWaitForObjects
ThreadWaitForProcessExit
Timer_GetTimeUS
ValidateSpew
vtune
WaitForMultipleEvents
Warning
WriteMiniDump

tier0_s.dll

tier0_s Dynamic Link Library by Valve (Signed)

Remove tier0_s.dll
Version:   1, 0, 0, 1
MD5:   4973c48b7f95f8fdaad3b50915359efe
SHA1:   c0b9f9ba62bcdde23aef479dfc53975c2d3bed74
SHA256:   6118d65c91009bb176424bf5b6db9fa7c1c95ec232f995b8035814f383f72b0b

What is tier0_s.dll?

Steam is a digital distribution, digital rights management, multiplayer platform developed by Valve. It is used to distribute games and related media online. Steam's primary service is to allow its users to download games and other software that they have in their virtual software library to their local computers. Steam provides digital rights management (DRM) for software titles, by providing "custom executable generation" for executable files that are unique for each user.

About tier0_s.dll (from Valve)

We have over 2,000 games from Action to Indie and everything in-between. Enjoy exclusive deals, automatic game updates and other great perks. Meet new people, join game groups, form clans, chat in-gam

DetailsDetails

File name:tier0_s.dll
Publisher:Valve Corporation
Product name: tier0_s Dynamic Link Library
Description:tier0_s Dynamic Link Library (buildbot_winslave01_steam_rel_client_win32@winslave01)
Typical file path:C:\Program Files\steam\tier0_s.dll
File version:1, 0, 0, 1
Size:269.24 KB (275,704 bytes)
Build date:8/27/2009 1:27 PM
Certificate
Issued to:Valve
Authority (CA):VeriSign
Effective date:Tuesday, November 24, 2009
Expiration date:Friday, November 23, 2012
Digital DNA
Entropy:6.440027
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
CSWOS.COM
1% remove
Media Contact LLC
7% remove
City Racing is a casual video games distributed through the GameTop.com download portal. The trial verison of the game in some cases drops an icon on the user's desktop 'Online Free Games' which links to a partner portal such as onlinefreegames.com.
TeamSpeak Systems GmbH
4% remove
TeamSpeak 3 continues the legacy of the original TeamSpeak communication system previously offered in TeamSpeak Classic (1.5) and TeamSpeak 2. TeamSpeak 3 is not merely an extension of its predecessors but rather a complete rewrite in C++ of its proprietary protocol and core technology. With over nine years of experience and leadership in the VoIP sector, our engineers have created a flexible, powerful, and scalable solution granting yo...
Valve Corporation
11% remove
Counter-Strike is a tactical first-person shooter video game developed by Valve Corporation which originated from a Half-Life modification. The game has been expanded into a series since its original release, which currently includes Counter-Strike: Condition Zero, Counter-Strike: Source, and Counter-Strike: Global Offensive. Counter-Strike pits a team of terrorists against a team of counter-terrorists in a series of rounds. Each round ...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 39.05%
Windows 7 Ultimate 15.24%
Windows 8 Pro 13.33%
Windows 8 8.57%
Windows 7 Professional 6.67%
Windows 8.1 2.86%
Windows 8 Pro with Media Center 2.86%
Windows 8.1 Pro with Media Center 1.90%
Windows Vista Ultimate 1.90%
Windows 7 Home Basic 1.90%
Windows 8.1 Pro 0.95%
Windows 8.1 Single Language 0.95%
Windows 8 Single Language 0.95%
Microsoft Windows XP 0.95%
Windows 8 Enterprise 0.95%
Windows Vista Home Premium 0.95%

Distribution by countryDistribution by country

United States installs about 41.75% of tier0_s Dynamic Link Library.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 22.54%
Hewlett-Packard 22.54%
Lenovo 11.27%
Dell 11.27%
Acer 8.45%
Sony 5.63%
Toshiba 5.63%
Alienware 2.82%
American Megatrends 2.82%
MSI 2.82%
Sahara 1.41%
GIGABYTE 1.41%
Samsung 1.41%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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