What is sum.exe?

The genuine sum.exe file is a software component of BMC CM Inventory Software Usage Monitor by BMC Software.
Software usage data is collected alongside the inventory scanning process. Software usage is collected by the sum.exe that monitors the start and finsh of processes on the system. Inventory Service takes the collected data and sends it to the database when the Inventory Service is scheduled to run. Configuration of what exes are supposed to scan and what exes are supposed to be monitored for are configured separately.

SUM stands for BMC CM Inventory Software Usage Monitor

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the sum.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Sum.exe file information

Windows Task Manager with sum
Sum.exe process in Windows Task Manager

The process known as BMC CM Inventory Software Usage Monitor belongs to software BMC CM Inventory Software Usage Monitor or cscmarimba or BMC NOKIA_Tuner for XP by BMC Software (

Description: Sum.exe is not essential for Windows and will often cause problems. Sum.exe is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 225,280 bytes. 
The program has no visible window. Sum.exe is not a Windows system file. Sum.exe is able to monitor applications. Therefore the technical security rating is 42% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of any problems with sum.exe, you can uninstall the program using the Control Panel ⇒ Uninstall a Programcscmarimba or BMC NOKIA_Tuner for XP, visit the support page or look for a new, improved version.

Recommended: Identify sum.exe related errors

If sum.exe is located in a subfolder of C:\Windows, the security rating is 52% dangerous. The file size is 221,184 bytes. The file is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The sum.exe file is not a Windows core file. Sum.exe is able to monitor applications.

Important: Some malware camouflages itself as sum.exe. Therefore, you should check the sum.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Logs starts and stops of programs to a file.
sum.exe is part of Marimba Inventory Software Usage Monitor developed by Marimba, Inc.
seems old, takes processor, keylogger?
no se nada pero me sale un cartel de error, found in C:\Windows\System32\BINHRG\XUM.exe\

Summary: Average user rating of sum.exe: based on 3 votes with 4 user comments. One user thinks it's probably harmless. 2 users suspect danger. One user is not sure about it.

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Best practices for resolving sum issues

A clean and tidy computer is the key requirement for avoiding problems with sum. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the sum.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

sum.exe [all]