Commonly mistaken as another Windows operating system core file of almost the same name, this process is an executable application without any distinctive signature or software owner. Other than 1sass.exe, this process may have other filenames such as srvany.exe, inetpub.exe, and windows.exe. Identified as a Malware or a Trojan Horse by many security software, this file is commonly located inside the subfolders fdaemon, startup, system, Temp, and Windir inside Windows folder of the local directory. Storage size of this file ranges from as small as 40 KB up to as big as 90 KB. Most often than not, this file evades detection of antivirus software. When running, it does not pull up any visible window nor show any icons on the taskbar. Reported as unsafe by users, this file is harmful and may cause damage to files and software and can safely be removed without any effect to the functions of the operating system or running programs.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. 1sass.exe. is used by Trojan Horse, If you shut down 1sass.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop 1sass.exe, permanently you need to uninstall the application that runs this process which in this case is Trojan Horse, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed 1sass.exe

A process usually a part of an installed application such as Trojan Horse, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if 1sass.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that 1sass.exe, belongs to, in this case Trojan Horse