Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 8.50%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.18%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.53%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.09%
6.2.9200.16384 (win8_rtm.120725-1247) 26.46%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.18%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.18%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.09%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.18%
6.1.7600.16385 (win7_rtm.090713-1255) 0.09%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.09%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.27%
5.1.2600.5512 (xpsp.080413-0852) 40.53%
5.1.2600.5512 (xpsp.080413-0852) 2.65%
5.1.2600.5512 (xpsp.080413-0852) 1.95%
5.1.2600.5512 (xpsp.080413-0852) 0.27%
5.1.2600.5512 (xpsp.080413-0852) 2.04%
5.1.2600.5512 (xpsp.080413-0852) 0.09%
5.1.2600.5512 (xpsp.080413-0852) 0.09%
5.1.2600.5512 (xpsp.080413-0852) 1.33%
5.1.2600.5512 (xpsp.080413-0852) 0.27%
5.1.2600.5512 (xpsp.080413-0852) 0.09%
5.1.2600.5512 (xpsp.080413-0852) 0.62%
5.1.2600.5512 (xpsp.080413-0852) 0.80%
5.1.2600.5512 (xpsp.080413-0852) 0.62%
View more

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegOpenKeyExW, RegEnumKeyExW, RegQueryValueExW, StartServiceCtrlDispatcherW, RegNotifyChangeKeyValue, RegisterServiceCtrlHandlerW, SetServiceStatus, RegCloseKey, SystemFunction036
kernel32.dll
GetStartupInfoW, GetModuleHandleA, CreateThread, UnhandledExceptionFilter, TerminateProcess, GetSystemTimeAsFileTime, CreateTimerQueueTimer, ReadFile, GetCurrentProcessId, WriteFile, BindIoCompletionCallback, UnregisterWait, RegisterWaitForSingleObject, HeapAlloc, DeleteTimerQueueTimer, GetProcessHeap, HeapFree, DuplicateHandle, GetCurrentProcess, QueryPerformanceCounter, GetTickCount, SetUnhandledExceptionFilter, EnterCriticalSection, LeaveCriticalSection, InitializeCriticalSection, GetLastError, CreateTimerQueue, DeleteCriticalSection, InterlockedIncrement, InterlockedDecrement, DeleteTimerQueueEx, CloseHandle, Sleep, WaitForMultipleObjects, CreateEventW, WaitForSingleObject, SetEvent, GetCurrentThreadId
msvcrt.dll
DllMain
ole32.dll
CoCreateInstance, CoTaskMemFree, CoTaskMemAlloc, CoUninitialize, CoInitializeEx, CLSIDFromString
ws2_32.dll
WSAEnumNetworkEvents, WSAConnect, WSAEventSelect, WSASocketW

ALG.exe

Application Layer Gateway Service by Microsoft

Remove ALG.exe
Version:   6.1.7600.16385 (win7_rtm.090713-1255)
MD5:   b9a92759db9743193373da7320b0afd7
SHA1:   edca76357cebafd739cc59aa7f28414608cd8a2f
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is ALG.exe?

The Application Layer Gateway Service provides support for 3rd party protocol plug-ins for Internet Connection Sharing (ICS).

About ALG.exe (from Microsoft)

“Internet Connection Sharing (ICS) is the use of a device with Internet access such as 3G cellular service, broadband via Ethernet, or other Internet gateway as an access point for other devices. It wa”

DetailsDetails

File name:alg.exe
Publisher:Microsoft Corporation
Product name:Application Layer Gateway Service
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\alg.exe
File version:6.1.7600.16385 (win7_rtm.090713-1255)
Product version:6.1.7600.16385
Size:77.5 KB (79,360 bytes)
Digital DNA
PE subsystem:Windows GUI
Entropy:6.222903
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)
  • 'ALG' (Servicio de puerta de enlace de nivel de aplicación)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 28.00%
Windows 8.1 25.00%
Windows 8.1 Pro 12.50%
Windows 8 10.50%
Windows 8 Pro 5.50%
Windows 8.1 Single Language 5.00%
Windows 8 Single Language 3.50%
Windows 8.1 Pro with Media Center 2.50%
Windows 8.1 Pro Preview 2.00%
Windows 8.1 Enterprise 1.50%
Windows 8 Enterprise N 1.00%
Windows 8 Enterprise 1.00%
Windows 8.1 N 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows Developer Preview 0.50%
Windows 8 Pro with Media Center 0.50%

Distribution by countryDistribution by country

United States installs about 35.50% of Application Layer Gateway Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 18.73%
Lenovo 13.48%
Hewlett-Packard 13.11%
ASUS 12.73%
Compaq 8.24%
Acer 7.49%
Toshiba 7.49%
Intel 5.24%
Sony 3.75%
GIGABYTE 3.37%
American Megatrends 2.25%
Sahara 1.50%
Samsung 1.12%
Alienware 0.75%
Medion 0.75%
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