Most antivirus programs identify wmiservice.exe as malware—such as Kaspersky identifies it as not-a-virus:RemoteAdmin.Win32.RAdmin.21, and Symantec identifies it as WS.Reputation.1.
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Little is known about the wmiservice.exe process, since there is no reference to the producer within the file.
Description: Wmiservice.exe is not essential for Windows and will often cause problems. Wmiservice.exe is located in a subfolder of C:\Windows\System32.
The file size on Windows 10/8/7/XP is 249,856 bytes.
The wmiservice.exe file is a file with no information about its developer. The program has no visible window. It is an unknown file in the Windows folder. It is not a Windows core file. The application listens for or sends data on open ports to a LAN or the Internet. Wmiservice.exe is able to manipulate other programs. Therefore the technical security rating is 90% dangerous.
Recommended: Identify wmiservice.exe related errors
Important: You should check the wmiservice.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.
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active wmiservice process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the wmiservice.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. 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.