What is cisvc.exe? Should I remove it?

cisvc.exe is a legitimate process, which represents the Microsoft Index Service Helper tool

cisvc.exe is the file used for monitoring the performance of the Microsoft Indexing Service process and helping people find all sorts of files, folders, and other data in the system faster. Normally this executable file is located in C:\Windows\ folder. Although this file is used for Windows operations, it is not an essential file. If there's any doubt about the purpose of this file, you should check the place it is located and the size of it.

If you get the anti-malware tool and run the full scan on the machine, you can see the list of possibly dangerous programs and files. You can also see if this executable is considered dangerous. That means you can terminate it if you think that it slows down the system.

Cybercriminals are always seeking to find solutions for hiding their viruses and preventing their removal. That's why they sometimes rely on legitimate processes' names when giving names for their viruses. If you think that cisvc.exe is malicious, check it with the AV tool.

Don't forget that security experts always recommend having a reliable security program installed on the system. You should also don't forget to upgrade it to the newest version and scan your computer every couple of weeks to get the best running tool and improve the PC performance.