Should I block it?

No, this file is 100% safe to run.

Additional versions

6.3.9600.16384 (winblue_rtm.130821-1623)	3.56%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.27%
6.2.9200.16384 (win8_rtm.120725-1247)	0.27%
6.1.7600.16385 (win7_rtm.090713-1255)	17.53%
6.1.7600.16385 (win7_rtm.090713-1255)	66.85%
6.0.6000.16386 (vista_rtm.061101-2205)	9.32%
6.0.6000.16386 (vista_rtm.061101-2205)	2.19%

Relationships

Parent process

svchost.exe (Host Process for Windows Services by Microsoft Corporation)

Related files

PE file structure

Show functions

Import table

advapi32.dll

TraceMessage, GetTraceEnableFlags, GetTraceEnableLevel, GetTraceLoggerHandle, RegisterTraceGuidsW, UnregisterTraceGuids, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, AdjustTokenPrivileges, OpenProcessToken, LookupPrivilegeValueW, EqualSid, OpenThreadToken, GetTokenInformation, IsValidSid, GetLengthSid, CopySid, ConvertSidToStringSidW

api-ms-win-core-delayload-l1-1-1.dll

ResolveDelayLoadedAPI, DelayLoadFailureHook

api-ms-win-core-errorhandling-l1-1-1.dll

GetLastError, SetUnhandledExceptionFilter, UnhandledExceptionFilter, SetLastError

api-ms-win-core-file-l1-2-0.dll

CreateFileW, ReadFile, WriteFile

api-ms-win-core-handle-l1-1-0.dll

CloseHandle

api-ms-win-core-heap-l1-2-0.dll

HeapSetInformation, HeapFree, HeapAlloc, GetProcessHeap

api-ms-win-core-heap-obsolete-l1-1-0.dll

LocalFree

api-ms-win-core-interlocked-l1-2-0.dll

InterlockedCompareExchange, InterlockedDecrement, InterlockedIncrement, InterlockedExchange

api-ms-win-core-kernel32-legacy-l1-1-0.dll

BindIoCompletionCallback

api-ms-win-core-libraryloader-l1-1-1.dll

LoadLibraryExW, FreeLibrary, GetModuleHandleA, GetProcAddress

api-ms-win-core-processthreads-l1-1-1.dll

OpenThreadToken, ExitProcess, CreateThread, GetCurrentThreadId, TerminateProcess, OpenProcessToken, GetCurrentProcessId, GetCurrentThread, GetCurrentProcess

api-ms-win-core-profile-l1-1-0.dll

QueryPerformanceCounter

api-ms-win-core-registry-l1-1-0.dll

RegQueryValueExW, RegOpenKeyExW, RegCloseKey

api-ms-win-core-synch-l1-2-0.dll

LeaveCriticalSection, Sleep, SetEvent, InitializeCriticalSectionAndSpinCount, ResetEvent, WaitForSingleObject, DeleteCriticalSection, InitializeCriticalSection, CreateEventW, EnterCriticalSection

api-ms-win-core-sysinfo-l1-2-0.dll

GetTickCount, GetTickCount64, GetSystemTimeAsFileTime

api-ms-win-core-threadpool-legacy-l1-1-0.dll

ChangeTimerQueueTimer, CreateTimerQueue, QueueUserWorkItem, DeleteTimerQueueEx, DeleteTimerQueueTimer, CreateTimerQueueTimer

api-ms-win-eventing-classicprovider-l1-1-0.dll

GetTraceEnableLevel, UnregisterTraceGuids, GetTraceLoggerHandle, GetTraceEnableFlags, RegisterTraceGuidsW, TraceMessage

api-ms-win-security-base-l1-2-0.dll

AdjustTokenPrivileges, CopySid, GetLengthSid, IsValidSid, EqualSid, GetTokenInformation

crypt32.dll

CryptUnprotectData, CryptProtectData

kernel32.dll

EnterCriticalSection, GetCurrentProcessId, FreeLibrary, GetProcAddress, LoadLibraryW, CreateThread, SetEvent, LocalFree, LeaveCriticalSection, SetLastError, CreateFileW, BindIoCompletionCallback, WriteFile, GetTickCount64, ReadFile, HeapSetInformation, InterlockedIncrement, HeapFree, GetProcessHeap, HeapAlloc, InitializeCriticalSectionAndSpinCount, ResetEvent, DeleteCriticalSection, GetCurrentThread, InitializeCriticalSection, DeleteTimerQueueTimer, CreateTimerQueue, CreateTimerQueueTimer, DeleteTimerQueueEx, ChangeTimerQueueTimer, UnhandledExceptionFilter, GetSystemTimeAsFileTime, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, GetModuleHandleA, SetUnhandledExceptionFilter, CreateEventW, WaitForSingleObject, InterlockedDecrement, InterlockedExchange, Sleep, TerminateProcess, ExitProcess, GetLastError, GetCurrentProcess, CloseHandle, InterlockedCompareExchange, QueueUserWorkItem

msvcrt.dll

DllMain

ntdll.dll

RtlStringFromGUID, NtWaitForSingleObject, NtDeviceIoControlFile, EtwTraceMessage, RtlNtStatusToDosError, RtlFreeUnicodeString

rpcrt4.dll

NdrClientCall2, RpcServerListen, RpcAsyncCompleteCall, RpcMgmtStopServerListening, RpcMgmtWaitServerListen, RpcImpersonateClient, I_RpcExceptionFilter, UuidCreate, NdrAsyncServerCall, RpcServerUseProtseqW, RpcServerInqBindings, RpcEpRegisterW, RpcBindingFree, RpcStringFreeW, RpcBindingSetAuthInfoW, RpcBindingSetAuthInfoExW, RpcMgmtInqServerPrincNameW, RpcBindingSetOption, RpcEpResolveBinding, RpcBindingFromStringBindingW, RpcStringBindingComposeW, RpcBindingVectorFree, RpcServerUnregisterIfEx, RpcEpUnregister, RpcRevertToSelf, RpcBindingInqAuthClientW, RpcStringBindingParseW, RpcBindingToStringBindingW, RpcServerRegisterAuthInfoW, RpcServerRegisterIfEx

user32.dll

GetSystemMetrics

WLANExt.exe

Windows Wireless LAN 802.11 Extensibility Framework by Microsoft

Remove WLANExt.exe

Version:	6.1.7600.16385 (win7_rtm.090713-1255)
MD5:	6f44f5c0bc6b210fe5f5a1c8d899ad0a
SHA1:	0f7e3aeb8c2e37e3e282bb483e7be7395e016578
SHA256:	b2cb1477536f92ecd4f7763f95f40b12ce052dc20f33fb22e9f7c8ca00f769fc

This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is WLANExt.exe?

The Windows Wireless LAN 802.11 Extensibility Framework provides an interface to Windows Vista's wireless security and connectivity features for the drivers of wireless network adapters.

Overview

WLANExt.exe executes as a process under the SYSTEM account with extensive privileges (the system and the administrator accounts have the same file privileges) typically within the context of its parent svchost.exe (Host Process for Windows Services by Microsoft Corporation). This version is designed to run on Windows 7 and is compiled as a 32 bit program.

Details

File name:	WLANExt.exe
Publisher:	Microsoft Corporation
Product name:	Windows Wireless LAN 802.11 Extensibility Framework
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\wlanext.exe
Original name:	wlanext.exe.mui
File version:	6.1.7600.16385 (win7_rtm.090713-1255)
Product version:	6.1.7600.16385
Size:	75.5 KB (77,312 bytes)
Digital DNA
Entropy:	6.318063
File packed:	No
Code language:	Microsoft Visual C++
.NET CLR:	No

More details

Resource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)

Averages

CPU
Total CPU:	0.00089480%	0.028634%
Kernel CPU:	0.00063818%	0.013761%
User CPU:	0.00025662%	0.014873%
Kernel CPU time:	684,182 ms/min	100,923,805ms/min
CPU cycles:	157,664/sec	17,470,203/sec
Context switches:	44/sec	284/sec
Memory
Private memory:	2.21 MB	21.59 MB
Private (maximum):	4.44 MB
Private (minimum):	2.74 MB
Non-paged memory:	2.21 MB	21.59 MB
Virtual memory:	36.72 MB	140.96 MB
Virtual memory (peak):	38.44 MB	169.69 MB
Working set:	2.88 MB	18.61 MB
Working set (peak):	5.42 MB	37.95 MB
Page faults:	7,175/min	2,039/min
I/O
I/O read transfer:	10.87 KB/sec	1.02 MB/min
I/O read operations:	1/sec	343/min
I/O other transfer:	91 Bytes/sec	448.09 KB/min
I/O other operations:	5/sec	1,671/min
Resource allocations
Threads:	10	12
Handles:	137	600

Process properties

Integrety level:	System
Platform:	32-bit
Command lines:	C:\Windows\System32\wlanext.exe 5733504 C:\Windows\System32\wlanext.exe 2626112 C:\Windows\System32\wlanext.exe 2726944 C:\Windows\System32\wlanext.exe 44307528 C:\Windows\System32\wlanext.exe 3107288 C:\Windows\System32\wlanext.exe 4538976 C:\Windows\System32\wlanext.exe 4629744 (61 more)
Owner:	SYSTEM
Parent process:	svchost.exe (Host Process for Windows Services by Microsoft Corporation)

Threads

Averages

ntdll.dll
Total CPU:	0.05354222%	0.272967%
Kernel CPU:	0.00712462%	0.107585%
User CPU:	0.04641760%	0.165382%
CPU cycles:	851,284/sec	5,741,424/sec
Context switches:	14/sec	79/sec
Memory:	1.23 MB	1.16 MB
WLANExt.exe (main module)
Total CPU:	0.00133225%
Kernel CPU:	0.00106500%
User CPU:	0.00026724%
CPU cycles:	22,887/sec
Memory:	88 KB
Wlanapi.dll
Total CPU:	0.00044690%
Kernel CPU:	0.00019518%
User CPU:	0.00025172%
CPU cycles:	13,518/sec
Memory:	88 KB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

oledb32.dll (OLE DB Core Services by Microsoft)

Distribution by Windows OS

OS version	distribution
Windows 7 Home Premium	51.00%
Windows 7 Ultimate	23.00%
Windows Vista Home Premium	6.00%
Windows 7 Home Basic	5.00%
Windows 8.1	4.00%
Windows 7 Professional	4.00%
Windows 8.1 Pro with Media Center	1.50%
Windows 8.1 Pro	1.00%
Windows 7 Starter	1.00%
Windows Vista Business	1.00%
Windows Vista Home Basic	1.00%
Windows Vista Ultimate	0.50%
Windows 7 Enterprise	0.50%
Windows 8.1 Pro Preview with Media Center	0.50%

Distribution by country

United States installs about 44.22% of Windows Wireless LAN 802.11 Extensibility Framework.

Distribution by PC manufacturer

PC Manufacturer	distribution
Dell	30.42%
Hewlett-Packard	13.92%
ASUS	13.59%
Toshiba	12.94%
Acer	8.09%
Lenovo	7.77%
Sony	7.12%
Samsung	1.62%
Alienware	1.29%
NEC	1.29%
Gateway	1.29%
Medion	0.65%

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