How to remove the rundll virus

Most antivirus programs identify rundll.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.

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

Rundll.dll file information

There is no information about the producer in the process.

Description: Rundll.dll is not essential for Windows and will often cause problems. Rundll.dll is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 81,920 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. The process has no file description. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. The process starts upon Windows startup (see Registry key: AppInit_DLLs). Therefore the technical security rating is 91% dangerous, however you should also read the user reviews.

Recommended: Identify rundll.dll related errors

Important: You should check the rundll.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

  Kevin   (further information)

Summary: Average user rating of rundll.dll: based on 1 vote with 1 user comment. One user thinks rundll.dll is dangerous and recommends removing it.

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Best practices for resolving rundll issues

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

rundll.dll [all]