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

Parent process
Related files

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:   6.0.6002.18005 (lh_sp2rtm.090410-1830)
MD5:   a9a27a8e257b45a604fdad4f26fe7241
SHA1:   24dc76a92b004fa1462c1cb68b8a9f5953fff51f
SHA256:   c5a1056522ee2ba7b70d34e391477a0e9351569cef28b875172f4b363f6d4177
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 64 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:6.0.6002.18005 (lh_sp2rtm.090410-1830)
Product version:6.0.6002.18005
Size:2.46 MB (2,582,016 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:0.01490120%
0.028634%
Kernel CPU:0.00396322%
0.013761%
User CPU:0.01093798%
0.014873%
Kernel CPU time:1,960,908 ms/min
100,923,805ms/min
CPU cycles:1,442,458/sec
17,470,203/sec
Memory
Private memory:8.96 MB
21.59 MB
Private (maximum):12.63 MB
Private (minimum):8.64 MB
Non-paged memory:8.96 MB
21.59 MB
Virtual memory:60.26 MB
140.96 MB
Virtual memory (peak):61.77 MB
169.69 MB
Working set:9.67 MB
18.61 MB
Working set (peak):17.36 MB
37.95 MB
Page faults:36,714/min
2,039/min
I/O
I/O read transfer:39.68 KB/sec
1.02 MB/min
I/O read operations:22/sec
343/min
I/O write transfer:349 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:265 Bytes/sec
448.09 KB/min
I/O other operations:8/sec
1,671/min
Resource allocations
Threads:4
12
Handles:97
600

BehaviorsProcess properties

Integrety level:System
Platform:64-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
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
RPCRT4.dll
Total CPU:0.92631066%
0.272967%
Kernel CPU:0.48007670%
0.107585%
User CPU:0.44623396%
0.165382%
CPU cycles:20,928,921/sec
5,741,424/sec
Memory:1.26 MB
1.16 MB
SLsvc.exe (main module)
Total CPU:0.00059152%
Kernel CPU:0.00002006%
User CPU:0.00057146%
CPU cycles:7,151/sec
Memory:2.48 MB
msvcrt.dll
Total CPU:0.00036947%
Kernel CPU:0.00036833%
User CPU:0.00000113%
CPU cycles:8,407/sec
Memory:624 KB
ntdll.dll
Total CPU:0.00000837%
Kernel CPU:0.00000837%
User CPU:0.00000000%
CPU cycles:75/sec
Memory:1.52 MB

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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