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What is alg.exe?

Part of Application Layer Gateway Service by Microsoft

What is it?

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

What if I disable Application Layer Gateway Service?

If you are not using Internet Connection Sharing (ICS) service, the Application Layer Gateway Service and Internet Connection Sharing (ICS) can be safely disabled.
Description of 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 was implemented by Microsoft as a feature of its Windows operating system for sharing a single Internet connection on one computer between other computers on the same local area network. It makes use of DHCP and network address translation (NAT). ICS offers configuration for other standard services an
(alg.exe is a system file that is installed with Windows)
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How does alg.exe run?

Service - alg.exe runs as a background Windows service called 'ALG' (Usługa bramy warstwy aplikacji). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Usługa bramy warstwy aplikacji runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the alg.exe process running.Of the 0.2% of alg.exe users, less than 1% have disabled it.
How resource intensive is alg.exe?
Comparison based on the average resource utilization across all programs.
0.00016% CPU1616.5%
Average CPU utilization across all programs is 0.00001%.
     1.1 MB RAM5.1%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:

Are there other versions of Application Layer Gateway Serv...?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: alg.exe
Publisher: Microsoft Corporation (verified)
Name: Application Layer Gateway Service
Description: Microsoft® Windows® Operating System
Version: 5.1.2600.5512 (xpsp.080413-0852)
Product version: 5.1.2600.5512
Size: 43.5 KB
Original file name: ALG.exe
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0013363171%
Privileged CPU: 0.0011746659%
User CPU: 0.00016165126770%
Privileged CPU time: 109375 ms
Privileged CPU time /min: 213 ms
Memory utilization averages
Committed memory: 32.21 MB
Peak committed memory: 33.06 MB
Paged memory: 1.1 MB
Peak paged memory: 1.13 MB
Paged system memory: 35.35 KB
Non-paged system memory: 4.54 KB
Working set memory: 2.52 MB
Peak working set memory: 3.51 MB
Min working set memory: 2.52 MB
Private memory: 1.1 MB
Page faults: 934
Page faults /min: 2
Process I/O averages
Total read operations: 6
Read operations /min: 1
Total read transfer: 38.45 KB
Read transfer /min: 77 Bytes
Total write operations: 4
Write operations /min: 1
Total write transfer: 156 Bytes
Write transfer /min: 0 Bytes
Total other operations: 878
Other operations /min: 2
Total other transfer: 120.57 KB
Other Transfer /min: 241 Bytes
GUI Object Averages
GDI objects: 4
Handle count average: 102
Thread count average: 5

Process details

Runs as (owner): System
Integrety level: Undefined
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: Usługa bramy warstwy aplikacji
Service name: ALG
Service type: Win32OwnProcess
Description: “Zapewnia obsługę dodatków protokołów innych firm dla Udostępniania połączenia internetowego i Zapory systemu Windows.”

Network connectivity

TCP: localhost on port 1030

Image hashes

MD5: d1738dddff196c5cee6d867c136af745
SHA-1: 5fd9c6e105aac1664ea72b852fc021f34cbc2e3c

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 6.22290
File packed: No
Import Table
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