Should I block it?

No, this file is 100% safe to run.

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumKeyExA, RegOpenKeyExA, RegEnumKeyA, RegQueryValueExA, RegCloseKey, StartServiceCtrlDispatcherA, RegisterServiceCtrlHandlerA, SetServiceStatus
kernel32.dll
SetEnvironmentVariableA, CompareStringW, CompareStringA, LCMapStringW, LCMapStringA, HeapSize, IsValidCodePage, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, QueryPerformanceCounter, GetStringTypeW, GetStringTypeA, TerminateThread, WaitForSingleObject, CreateThread, ResetEvent, CreateEventA, GetLastError, OutputDebugStringA, Sleep, GetTickCount, GetCurrentProcessId, FlushFileBuffers, GetLocaleInfoW, InterlockedDecrement, InterlockedIncrement, GetUserDefaultLCID, CloseHandle, WriteFile, SetFilePointer, CreateFileA, CreateDirectoryA, WideCharToMultiByte, ReadFile, GetFileSize, FreeLibrary, GetProcAddress, LoadLibraryA, GetPrivateProfileStructA, GetPrivateProfileIntA, WritePrivateProfileStringA, WritePrivateProfileStructA, GetVersionExA, CreateMutexA, ReleaseMutex, RtlUnwind, RaiseException, HeapAlloc, HeapFree, MultiByteToWideChar, ExitProcess, GetModuleHandleA, TerminateProcess, GetCurrentProcess, GetCommandLineA, GetSystemTimeAsFileTime, DeleteCriticalSection, LeaveCriticalSection, EnterCriticalSection, TlsAlloc, SetLastError, GetCurrentThreadId, TlsFree, TlsSetValue, TlsGetValue, SetUnhandledExceptionFilter, HeapDestroy, HeapCreate, VirtualFree, VirtualAlloc, HeapReAlloc, IsBadWritePtr, GetTimeZoneInformation, VirtualProtect, GetSystemInfo, VirtualQuery, SetHandleCount, GetStdHandle, GetFileType, GetStartupInfoA, SetStdHandle, GetModuleFileNameA, UnhandledExceptionFilter, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, GetEnvironmentStringsW, GetACP, GetOEMCP, GetCPInfo, InitializeCriticalSection, InterlockedExchange, IsBadReadPtr, IsBadCodePtr

tvttcsd.exe

TSS Core Service by Lenovo (United States) Inc. (Signed)

Remove tvttcsd.exe
Version:   1,1,3,006
MD5:   cf3bc148a6979bcf5af8591e687c1390
SHA1:   cf2dda1d653fd32230798ec98936b9a66fe21772
SHA256:   19964de6276d9ccdc6bc561189bff862039ab2e36c745edaa785aabe21b67f18

Overview

tvttcsd.exe runs as a service under the name TSS Core Service (TSSCoreService) with extensive SYSTEM privileges (full administrator access). The file is digitally signed by Lenovo (United States) Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:tvttcsd.exe
Publisher:IBM
Product name:TSS Core Service
Description:tvttcsd Application
Typical file path:C:\Program Files\lenovo\client security solution\tvttcsd.exe
File version:1,1,3,006
Size:706.75 KB (723,712 bytes)
Certificate
Issued to:Lenovo (United States) Inc.
Authority (CA):VeriSign
Effective date:Sunday, April 16, 2006
Expiration date:Thursday, April 16, 2009
Digital DNA
PE subsystem:Windows Console
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'TSSCoreService' (TSS Core Service)
  • TSSCoreService

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00003618%
0.028634%
Kernel CPU:0.00002597%
0.013761%
User CPU:0.00001021%
0.014873%
Kernel CPU time:786 ms/min
100,923,805ms/min
Memory
Private memory:713.33 KB
21.59 MB
Private (maximum):1.98 MB
Private (minimum):1.98 MB
Non-paged memory:713.33 KB
21.59 MB
Virtual memory:15.89 MB
140.96 MB
Virtual memory (peak):16.78 MB
169.69 MB
Working set:1.98 MB
18.61 MB
Working set (peak):2.65 MB
37.95 MB
Page faults:708/min
2,039/min
I/O
I/O read transfer:0 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:98 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:3
12
Handles:50
600
GUI GDI count:4
103
GUI USER count:1
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command line:"C:\Program Files\lenovo\client security solution\tvttcsd.exe"
Owner:SYSTEM
Windows Service
Service name:TSSCoreService
Display name:TSS Core Service
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

Distribution by countryDistribution by country

BG installs about 100.00% of TSS Core Service.
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