What is CilUSB.exe?

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 CilUSB.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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CilUSB.exe file information

Windows Task Manager with CilUSB
CilUSB.exe process in Windows Task Manager

The CilUSB.exe process does not provide any identification of the producer.

Description: CilUSB.exe is not essential for the Windows OS and causes relatively few problems. CilUSB.exe is located in a subfolder of C:\Windows\System32 or sometimes in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 229,376 bytes. 
There is no information about the author of the file. The program is not visible. It is an unknown file in the Windows folder. CilUSB.exe is not a Windows core file. CilUSB.exe is able to record keyboard and mouse inputs and hide itself. Therefore the technical security rating is 72% dangerous, however you should also read the user reviews.

Recommended: Identify CilUSB.exe related errors

Important: Some malware camouflages itself as CilUSB.exe. Therefore, you should check the CilUSB.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

it is part of a UPS unit, software to monitor such device
It´s a UPS software process
  Yanis Sinay   (further information)
MGE/UPS Überwachungssoftware USV-Anlage
MGE UPS Systems
  Shane   (further information)
Part of the Eaton UPS monitoring software.
  Tomaz   (further information)
usv prozess

Rating chart

Summary: Average user rating of CilUSB.exe: based on 6 votes with 6 user comments. 4 users think CilUSB.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving CilUSB issues

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

CilUSB.exe [all]