How to remove the dll virus

Most antivirus programs identify dll.exe as malware—for instance Symantec identifies it as Trojan.ADH or WS.Reputation.1, and Kaspersky identifies it as or Trojan.Win32.Jorik.Agent.egd.

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.

Click to Run a Free Virus Scan for the dll.exe malware

Dll.exe file information

Windows Task Manager with dll
Dll.exe process in Windows Task Manager

The process belongs to software Sidebar by Microsoft (

Description: Dll.exe is not essential for Windows and will often cause problems. Dll.exe is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 164,352 bytes (33% of all occurrences), 438,784 bytes or 135,680 bytes. 
The software has no file description. The program is not visible. The dll.exe file is not a Windows system file. The software listens for or sends data on open ports to a LAN or the Internet. The application starts when Windows starts (see Registry key: MACHINE\Run, Run, User Shell Folders). Dll.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 62% dangerous.

Recommended: Identify dll.exe related errors

If dll.exe is located in a subfolder of C:\Windows, the security rating is 90% dangerous. The file size is 84,484 bytes. The application has no file description. It is an unknown file in the Windows folder. The program is not visible. The software starts when Windows starts (see Registry key: MACHINE\Run, Run, User Shell Folders). It is not a Windows core file.

External information from Paul Collins:

Important: You should check the dll.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.


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Best practices for resolving dll issues

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

Other processes

dll.exe [all]