What is wmi64.exe?

The genuine wmi64.exe file is a software component of Kaspersky Anti-Virus by Kaspersky Lab.
"WMI64.exe" is a small process used by Kaspersky Internet Security or related products in 64-bit Windows computers. Called the "WMI x64 Helper," it helps them use the Windows Management Instrumentation system to communicate system security information to Windows Security and Maintenance, a central source of notification from anti-viruses and firewalls about the computer's resources and protection. ("Wmi32.exe" is used in 32-bit systems.) It resides in a subfolder of "C:\Program Files (x86)\Kaspersky Lab" and will be uninstalled if the Kaspersky removal tool is used to uninstall the Kaspersky product. Kaspersky Lab North America, founded in 2004 by CEO Eugene Kaspersky and others already working with him in pioneer anti-virus research, is the world's largest privately-owned cybersecurity company and one of the fastest-growing, headquartered in Massachusetts, USA with offices in 32 countries. Their technology is licensed by other companies in the field for use in their products.

WMI64 stands for Windows Management Instrumentation Helper for 64-bit Windows

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 wmi64.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.

Click to Run a Free Scan for wmi64.exe related errors

Wmi64.exe file information

Windows Task Manager with wmi64
Wmi64.exe process in Windows Task Manager

The process known as WMI x64 Helper belongs to software Kaspersky Internet Security or Kaspersky Anti-Virus or Kaspersky Total Security by Kaspersky Lab ZAO ( or AO Kaspersky Lab or Kaspersky Lab (

Description: Wmi64.exe is not essential for the Windows OS and causes relatively few problems. The file wmi64.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 20,464 bytes (33% of all occurrences), 21,488 bytes and 4 more variants. 
The program has no visible window. It is certified by a trustworthy company. The wmi64.exe file is not a Windows core file. Therefore the technical security rating is 16% dangerous.

Uninstalling this variant: If any problems with wmi64.exe occur, you can also do the following:

Recommended: Identify wmi64.exe related errors

Important: Some malware camouflages itself as wmi64.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the wmi64.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.


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Best practices for resolving wmi64 issues

A clean and tidy computer is the key requirement for avoiding problems with wmi64. 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 wmi64.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

wmi64.exe [all]