The genuine HijackThis.exe file is a software component of HijackThis by Trend Micro.
HijackThis.exe is an executable file that is responsible for running the HijackThis application, an open source enumerating tool for the Microsoft Windows platform. This file is not a critical Windows component and should be removed if known to cause problems. HijackThis is a security program that scans browser and operating system settings and logs the state and condition of the system. The program can be used to selectively remove unwanted settings and files. There have been cases where the settings identified in a HijackThis log file have belonged to legitimate software, therefore it is critical to use extreme caution when choosing to removing anything using HijackThis. However, HijackThis does allow the creation of backups of files and registry items in order to prevent catastrophes. The program also comes equipped with a process manager, HOSTS file editor, and an alternate data stream scanner. Trend Micro Inc. is a Japanese company that develops and markets security software for home and corporate users. The company was founded in Los Angeles, California, USA in 1988 by Steve Chang, his wife, Jenny Chang, and her sister, Eva Chen. Soon after, the company moved to Taipei. After it acquired a Japanese software firm in 1992, it set up its main headquarters in Tokyo, Japan. In September 2014, Trend Micro announced a new partnership with Interpol with a mission to thwart cybercrimes worldwide.
HijackThis stands for HijackThis launcher
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 HijackThis.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.
Description: HijackThis.exe is not essential for the Windows OS and causes relatively few problems. HijackThis.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder or in a subfolder of the user's "Documents" folder.
Known file sizes on Windows 10/8/7/XP are 396,288 bytes (69% of all occurrences), 218,112 bytes, 401,720 bytes or 388,608 bytes.
The program has a visible window. It is not a Windows system file. HijackThis.exe is able to monitor applications. Therefore the technical security rating is 16% dangerous, however you should also read the user reviews.
Recommended: Identify HijackThis.exe related errors
Important: Some malware camouflages itself as HijackThis.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the HijackThis.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.
A clean and tidy computer is the key requirement for avoiding problems with HijackThis. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the HijackThis.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.