PROGRAM NAME: Application Layer Gateway.
DESCRIPTION: Part of Windows XP that provides support for ICS and Internet Connection Firewall (ICF).
RECOMMENDED ACTION: If a third-party firewall warns you that ALG.exe wants access, check to make sure you're not double-firewalled. If you are, disable ICF. If you are using neither ICF nor ICS and are warned that ALG.exe is trying to access the Net, deny it. A Trojan horse or worm may be trying to use it as a backdoor.
Application Layer Gateway serviceThis is used to provide network access to any program, including the operating system.It is not wise to end this program in task manager, as you will lose all internet connectivity until next restart or login.
alg.exe is located in "C:\WINNT\SYSTEM32\" on Windows 2000 and "C:\WINDOWS\SYSTEM32\" on Windows XP.
File alg.exe removal:
This file might be