What is SearchIndexer.exe? Should I remove it?

SearchIndexer.exe is one of legitimate Microsoft Windows executable files

SearchIndexer.exe is one of the built-in Microsoft Windows files, which falls under the category of executables.^[1] It is digitally signed by Microsoft and can also be recognized as Microsoft Windows Search Indexer. It is responsible for indexing and displaying results when PC's user performs a search using an inbuilt Microsoft Windows search.

Initially known as Windows Desktop Search (WDS), the SearchIndexer.exe file prepares all files and folders that contain the phrase or character typed in the search bar.

The original location of the SearchIndexer.exe file is C:\Windows\System32 folder and the only reason why it may differ is a virus infection. Although it's security rating ins only 10% dangerous, many people reported this file for running multiple tasks on Task Manager and featuring unusually high CPU consumption.

If you have noticed that this file uses up to 50% CPU and GPU power or more, it's a must to check whether it's located in C:\Windows\System32. If it's location differs, there's a high chance that you have a virus on your PC, which disguises under this legitimate executable file. To evade straightforward recognition and instant removal, infections like virus, worms, Trojans, Spyware, and similar infections^[2] can exploit legitimate processes.

Popular AV engines frequently recognize this file as malware. The following viruses have been detected under SearchIndexer.exe virus name:

Trojan.Generic.9580579
RiskTool.Win32.BitCoinMiner.ggn
RiskTool.Win32.BitCoinMiner.fqs

If you suspect that you have a SearchIndexer.exe virus on the system, you should check for it in C:\Windows folder, a subfolder of C:\, and C:\Program Files. According to cyber security experts, the file located in any of these folders features a security rating that is higher than 70% dangerous. Its presence of C:\Program Files signifies a virus infection and requires an immediate system scan with a professional anti-virus tool, such as FortectIntego, SpyHunter 5Combo Cleaner or Malwarebytes.

Viruses related to SearchIndexer.exe executable can monitor applications, record keystrokes, mouse inputs, manipulate other programs, install malware, render CPU and GPU power for cryptocurrency mining, and similar malicious activities.

Apart from virus infections, the original SearchIndexer.exe file causes various problems. It may stop functioning it might be turned off after the installation of Windows Updates. Such modifications result in complete Windows Search unresponsiveness. To fix high CPU usage by SearchIndexer.exe or similar issues,^[3] you should try to restart the process via Services Manager. FortectIntego optimization utility may also help to address any issues related to this file.

Do not install standalone system files from unreliable sources

The original Search Indexing file comes with Windows OS by default. No manufacturer except Microsoft is responsible for its updates and distribution. Therefore, do not fall for clicking on pop-up ads or links offering to install standalone installers of this or similar files.

Cyber Securitu experts from  NoVirus.co^[4] warn that fake software updates installers and prompts to install separate files is yet another strategy by malware developers to spread malicious viruses. You may notice suspicious offers when an adware-type program is hiding on your PC or when you are visiting a questionable or illegal website.

Make sure to stay away from doubtful websites and scan your PC with a reliable anti-malware tool to keep your PC PUP and virus-free. Besides, keep in mind that free downloads and file-sharing sites might be filled with fake versions of drivers, their updates, and other software.

Remove SearchIndexer.exe virus correctly

The original version of this file is not related to a virus. It's a necessary system's component that should not be deleted or modified in any way. However, SearchIndexer.exe process is a target for hackers who may delete the original file and then disguise malicious programs under its name.

The only way to remove SearchIndexer.exe virus from the system is to run a full system scan with a professional anti-malware tool. Manual removal is not recommended because the malicious file might be related to other programs and system's components. Thus, a complete SearchIndexer.exe removal should be initiated with the help of FortectIntego, SpyHunter 5Combo Cleaner or similar tool.