Versions

2.1.4815.9971	46.75%
2.1.4651.17928	51.95%
2.1.4520.24765	1.30%

There are 3 versions of facebookmessenger.exe in the wild, the latest version being 2.1.4815.9971. facebookmessenger.exe is run as a standard windows process with the logged in user's account privileges. When the program is installed, it will add a shortcut pointer in the Start Menu which will execute the file as a process upon a user login. The average file size is about 226.78 KB. The file is a digitally signed and issued to Facebook by VeriSign. The programs Facebook Messenger 2.1.4814.0, Warframe and Facebook Messenger 2.1.4651.0 have been observed as installing specific variations of facebookmessenger.exe. The executable is a .NET framework assembly utilizing the CLR. During the process's lifecycle, the typical CPU resource utilization is about 0.0096% including both foreground and background operations, the average private memory consumption is about 114.76 MB. Addionally, typically read and write I/O disk operations is about 2.2 KB per minute for reads and 5.18 KB per minute for writes.

Facebook Messenger is an instant messaging service and software application which provides text and video communication. Like Facebook's web-based Chat feature, it supports the open-source XMPP protocol, connects primarily between Facebook users and synchronizes with the website. Among its features is a "ticker" similar in function to the sidebar of friend activity seen by Facebook website users. Messenger will generally update to the latest version automatically.