What is ExplorerHook.dll?

The genuine ExplorerHook.dll file is a software component of 1&1 Upload Manager by 1&1 Internet.
ExplorerHook.dll is a DLL (Dynamic Link Library) file that belongs to 1&1 Upload Manager. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is not a critical Windows component and should be removed if known to cause problems. 1&1 Upload Manager is a program that is designed to work in conjunction with 1&1 SmartDrive with a 1&1 Online Storage Account. The program is required to easily manage the transfer of files from the computer to the cloud. 1&1 Upload Manager is available for the Windows platform. Once installed, the program automatically connects to the user's 1&1 Online Storage account. 1&1 Internet is an American company that provides web hosting services. The company is a subsidiary of United Internet, a German Internet company. 1&1 Internet was founded in 1988 and has since gone on to become one of the world's largest web hosting companies. 1&1 is currently headquartered in Philadelphia in the United States.

ExplorerHook.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if ExplorerHook.dll is a Windows system file or if it belongs to an application that you can trust.

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ExplorerHook.dll file information

The process known as 1&1 Upload-Manager belongs to software 1&1 Upload-Manager by 1&1 Internet AG (

Description: ExplorerHook.dll is not essential for the Windows OS and causes relatively few problems. ExplorerHook.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\. The file size on Windows 10/8/7/XP is 49,152 bytes. 
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. It can change the behavior of other programs or manipulate other programs. The program has no visible window. The service has no detailed description. ExplorerHook.dll is not a Windows system file. ExplorerHook.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 64% dangerous, however you should also read the user reviews.

Uninstalling this variant: If problems with ExplorerHook.dll occur, you can do the following:

Recommended: Identify ExplorerHook.dll related errors

Important: Some malware camouflages itself as ExplorerHook.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ExplorerHook.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

Summary: Average user rating of ExplorerHook.dll: based on 1 vote with 1 user comment. One user thinks it's probably harmless.

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Best practices for resolving ExplorerHook issues

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

Other processes

ExplorerHook.dll [all]