Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.2.9200.16384 (win8_rtm.120725-1247) 1.94%
6.0.6002.18005 (lh_sp2rtm.090410-1830) 72.30%
6.0.6002.18005 (lh_sp2rtm.090410-1830) 16.07%
6.0.6001.18000 (longhorn_rtm.080118-1840) 0.28%
6.0.6001.18000 (longhorn_rtm.080118-1840) 4.71%
6.0.6000.16509 (vista_gdr.070620-1500) 4.71%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
TraceEvent, EventUnregister, EventWrite, EventEnabled, GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, UnregisterTraceGuids, RegCloseKey, CloseServiceHandle, EventRegister, SetServiceStatus, NotifyServiceStatusChangeW, ControlService, QueryServiceStatus, OpenServiceW, OpenSCManagerW, RegOpenKeyExW, RegQueryValueExW, StartServiceW, RegisterServiceCtrlHandlerW, StartServiceCtrlDispatcherW, RegSetValueExW, RegCreateKeyExW, LsaClose, LsaFreeMemory, LsaQueryInformationPolicy, LsaOpenPolicy, FreeSid, CheckTokenMembership, AllocateAndInitializeSid, ConvertStringSidToSidW, RegDeleteValueW, WmiOpenBlock, SystemFunction036, WmiQueryAllDataW, ConvertStringSecurityDescriptorToSecurityDescriptorW, CryptReleaseContext, CryptDestroyHash, CryptHashData, CryptCreateHash, CryptAcquireContextW, CryptGetHashParam, CryptDestroyKey, CryptEncrypt, CryptDecrypt, CryptImportKey, CryptSignHashA, CryptVerifySignatureA, CryptExportKey, CryptGenKey, CryptVerifySignatureW, GetCurrentHwProfileW, DeregisterEventSource, ReportEventW, RegisterEventSourceW, ConvertSidToStringSidW, LookupAccountNameW, RegisterTraceGuidsA, WmiCloseBlock, RegQueryValueExA, RegisterServiceCtrlHandlerA, StartServiceCtrlDispatcherA, RegOpenKeyExA
dnsapi.dll
DnsQuery_W, DnsModifyRecordsInSet_W, DnsFree
kernel32.dll
CreateTimerQueueTimer, CreateTimerQueue, GetComputerNameExW, FileTimeToSystemTime, EncodePointer, GetTickCount, DeleteTimerQueueEx, ExpandEnvironmentStringsW, SystemTimeToFileTime, GetLocalTime, GetSystemInfo, IsWow64Process, MultiByteToWideChar, LCMapStringW, GetSystemFirmwareTable, CompareFileTime, GetCurrentProcessId, RegisterWaitForSingleObject, DuplicateHandle, LoadLibraryA, UnregisterWaitEx, DeleteTimerQueueTimer, DeleteTimerQueue, QueueUserWorkItem, OpenThread, SetThreadPriority, GetCurrentThreadId, GetCurrentProcess, GetProcessHeaps, HeapQueryInformation, SleepEx, InitializeCriticalSectionAndSpinCount, CreateEventW, ResetEvent, InterlockedExchange, WaitForSingleObject, InterlockedDecrement, InterlockedIncrement, HeapSetInformation, GetVersionExW, DeleteCriticalSection, CloseHandle, DecodePointer, HeapFree, GetProcessHeap, HeapAlloc, GetModuleHandleExW, TzSpecificLocalTimeToSystemTime, GetDevicePowerState, WaitForMultipleObjects, ReleaseSemaphore, CreateSemaphoreA, InterlockedExchangeAdd, MoveFileExW, ReadFile, SetFilePointer, ChangeTimerQueueTimer, GetThreadPriority, GetSystemDefaultLangID, GetFileSize, CreateFileMappingW, MapViewOfFile, GetComputerNameW, GetLocaleInfoW, GetDateFormatW, GetTimeFormatW, GetVersionExA, UnmapViewOfFile, GetSystemDirectoryW, GlobalMemoryStatusEx, GetNativeSystemInfo, GetSystemTime, WideCharToMultiByte, GetPrivateProfileStringW, GetPrivateProfileSectionW, CreateDirectoryW, IsProcessorFeaturePresent, FlushFileBuffers, GetLastError, SetEvent, InterlockedCompareExchange, EnterCriticalSection, LeaveCriticalSection, LoadLibraryW, GetProcAddress, FreeLibrary, LocalAlloc, LocalFree, OpenProcess, DelayLoadFailureHook, Sleep, SetUnhandledExceptionFilter, GetModuleHandleA, QueryPerformanceCounter, GetSystemTimeAsFileTime, TerminateProcess, UnhandledExceptionFilter, ExitProcess, VirtualAlloc, VirtualFree, GetVersion, VirtualProtect, SetLastError, GetFileAttributesW, WriteFile, CreateFileW, lstrlenW, InitializeCriticalSection, SetFileAttributesW, CopyFileW, DeleteFileW, DeviceIoControl, ExitThread, CreateProcessA, SetCurrentDirectoryA, OpenEventA
msvcrt.dll
DllMain
ntdll.dll
RtlLeaveCriticalSection, NtLockProductActivationKeys, NtSetInformationThread, NtQueryInformationProcess, NtSetInformationProcess, NtQueryInformationThread, RtlEnterCriticalSection, NtQueryLicenseValue, RtlInitUnicodeString, ShipAssert
rpcrt4.dll
RpcRaiseException, I_RpcMapWin32Status, RpcMgmtStopServerListening, RpcServerUnregisterIf, I_RpcBindingInqLocalClientPID, RpcServerInqCallAttributesW, RpcServerRegisterIfEx, NdrServerCall2, UuidCreate, UuidToStringW, UuidFromStringW, RpcImpersonateClient, RpcRevertToSelfEx, RpcServerRegisterIf2, RpcStringBindingComposeW, RpcBindingFromStringBindingW, I_RpcExceptionFilter, RpcStringFreeW, RpcBindingFree, RpcServerListen, RpcServerUseProtseqEpW, NdrClientCall2
slc.dll
SLOpen
user32.dll
CharNextW, CharPrevW, wsprintfA, GetDesktopWindow

SLsvc.exe

Microsoft Software Licensing Service by Microsoft

Remove SLsvc.exe
Version:   6.0.6001.18000 (longhorn_rtm.080118-1840)
MD5:   a301d2cefb4747dfe0c24425dcbe0b78
SHA1:   470dec445f0d5bd35a5acfbec9a7ece4b944335c
SHA256:   1f6863002b67d130c60c713c804ce907619b8e0a32a5654958898303dc3d6297
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

SLsvc.exe runs as a service under the name Licenciamento de Software (slsvc) with minimal NETWORK SERVICE privileges on the local PC and acts as the computer on the network. and is compiled as a 32 bit program.

DetailsDetails

File name:SLsvc.exe
Publisher:Microsoft Corporation
Product name:Microsoft Software Licensing Service
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\slsvc.exe
Original name:SLService
File version:6.0.6001.18000 (longhorn_rtm.080118-1840)
Product version:6.0.6001.18000
Size:2.06 MB (2,161,664 bytes)
Digital DNA
PE subsystem:Windows Console
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

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

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00001219%
0.028634%
Kernel CPU:0.00000369%
0.013761%
User CPU:0.00000851%
0.014873%
Kernel CPU time:3,338 ms/min
100,923,805ms/min
Memory
Private memory:8.78 MB
21.59 MB
Private (maximum):3.32 MB
Private (minimum):3.32 MB
Non-paged memory:8.78 MB
21.59 MB
Virtual memory:52.21 MB
140.96 MB
Virtual memory (peak):54.67 MB
169.69 MB
Working set:3.32 MB
18.61 MB
Working set (peak):14.41 MB
37.95 MB
Resource allocations
Threads:4
12
Handles:114
600

BehaviorsProcess properties

Platform:32-bit
Command line:C:\Windows\System32\slsvc.exe
Owner:NETWORK SERVICE
Windows Service
Service name:slsvc
Display name:Licenciamento de Software
Description:“Permite a transferência, instalação e imposição de licenças digitais para o Windows e aplicações do Windows. Se o serviço estiver desactivado, o sistema operativo e as aplicações licenciadas poderão ser executados num modo de notificação.”
Type:Win32OwnProcess

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows Vista Home Premium 68.50%
Windows Vista Home Basic 14.00%
Windows Vista Ultimate 7.50%
Windows Vista Business 6.00%
Windows 8 Pro 3.00%
Windows Server 2008 Standard 0.50%
Windows Vista™ Home Premium 0.50%

Distribution by countryDistribution by country

United States installs about 65.96% of Microsoft Software Licensing Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 26.67%
Hewlett-Packard 22.22%
Toshiba 14.81%
Sony 11.85%
Gateway 8.89%
ASUS 5.93%
Acer 4.44%
Lenovo 1.48%
Intel 1.48%
American Megatrends 0.74%
Packard Bell 0.74%
Samsung 0.74%
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