alg.exe is a program which is most likely NOT a virus. So, if alg.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to purchase a well-known antivirus with a good detection rate, in order to yourself your system against threats.
Usually, the default filename and directory where the program is stored is
C:\Windows\System32\alg.exe.
The MD5 fingerprint for this executable is 18a54e132947cd98fea9accc57f98f13.
This program is registered as a Windows service. This means it runs on your system in background, usually without displaying any user interface to you. Most Windows services are legit programs, which perform useful functions to other programs or to the Windows Operating System.
alg.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
This program runs as a 32-bit program. It does not benefit of the entire set of features of nowadays' computer processors. This ordinarily happens because the authors did not bother to upgrade it to 64-bit code.
The description stored in the file is Application Layer Gateway Service.
File version 6.1.7600.16385 (win7_rtm.090713-1255).
Publisher Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
alg.exe is digitally signed. Nowadays the large majority of virus-free software applications are digitally signed.
The digital signature attached to alg.exe is valid. This is excellent.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This executable does NOT have an uninstall routine set up in registry.