How to remove the Pehook virus

Most antivirus programs identify Pehook.DLL as malware.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

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Pehook.DLL file information

The process known as Backup Now EZ Module or NTI Backup Now (version EZ 4) appears to belong to software NTI Backup Now EZ or NTI Backup Now (version EZ 4) by NTI or NewTech Infosystems (

Description: Pehook.DLL is not essential for Windows and will often cause problems. Pehook.DLL is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 79,352 bytes (28% of all occurrences), 78,872 bytes and 4 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. There is no detailed description of this service. The Pehook.DLL file is able to record keyboard inputs. It is not a Windows core file. The file has a digital signature. The process can be uninstalled in the Control Panel. Pehook.DLL is able to record keyboard and mouse inputs and manipulate other programs. Therefore the technical security rating is 74% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case you experience problems using Pehook.DLL, you can also visit the website or uninstall NTI Backup Now EZ or NTI Backup Now EZ 4 from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify Pehook.DLL related errors

Important: You should check the Pehook.DLL 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 came with NTI backup usb disk
  Angela Beitling  

Summary: Average user rating of Pehook.DLL: based on 3 votes with 1 user comment. 3 users think Pehook.DLL is dangerous and recommend removing it.

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Best practices for resolving Pehook issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active Pehook process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the Pehook.DLL 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.

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.

Other processes

Pehook.DLL [all]