In this guide, we explain what the rundll32.exe process is and your doubts regarding if it is a virus. A lot of Windows users have doubts about whether the rundll32.exe process that they see in the Task Manager is a genuine process or a virus. The reason behind these inquiries is the paranoia created by fraud tech support companies who misuse the name rundll32 to create malicious processes.
What is rundll32.exe process? Is it a virus?
Windows users must have encountered a lot of DLL files. These DLL files store application logic entities and these entities are needed by applications on the system. Many applications will cease to work if they are unable to call upon the associated DLL files.
Rundll32.exe is a process that executes DLLs and places their libraries into the memory so that they can be used more efficiently by applications. This program is important for the stable and secure running of your computer and should not be terminated. In short, it triggers the execution of DLL files. Since launching a DLL file directly is not possible, this makes the rundll.exe process critical. If you kill the rundll.exe process, you won’t be able to run any application on the system.
Read: How to fix RunDll error in Windows 11?
Can I kill the rundll32.exe process?
Yes, you can kill the process using the Task Manager, but as mentioned earlier, it would make a lot of programs unusable. It could even make the system unstable and restart your system. So should you? No – if it is the legitimate system file.
Is rundll32.exe a virus
The .exe extension on a filename indicates an executable file. Executable files may, in some cases, be malware, and malware is known to take the names of other legitimate files. So, in this case, the first thing you need to do is search for and locate the rundll32.exe file using Start search. If it is found in the WinSxS, System32, or SysWOW64 folders, and its Properties indicate that is a Microsoft Windows operating system file named Windows Host Process then it is a legit Microsoft process. But if it is found in any other folder location, it could well be malware.
The rundll32.exe process is not a virus. However, the process we observe in the Task Manager doesn’t need to be the original process. At times virus or malware could be named rundll32.exe to conceal it.
If you see it in your Task Manager, then to check the file location of the rundll32.exe file, right-click on it, select Open file location and then its Properties.
If you suspect the file to be a virus, you should run a full system anti-virus scan.
Related read: Windows Host Process Rundll32 has stopped working.
Is Windows Host Process rundll32 a virus?
No, Windows Host Process rundll32 is not a virus. It is much needed by the processes and programs on your PC to run smoothly without any issues. If the rundll32.dll is located other than where it should be, you must scan it with a malware scanner to find its legitimacy and get rid of it, if it is a duplicate file or malware.
Want to know about these processes, files, or file types?
Windows.edb files | csrss.exe | CompatTelRunner.exe | Thumbs.db files | NFO and DIZ files | Index.dat file | Swapfile.sys, Hiberfil.sys & Pagefile.sys | Nvxdsync.exe | Svchost.exe | RuntimeBroker.exe | TrustedInstaller.exe | DLL or OCX files | StorDiag.exe | MOM.exe | Host Process for Windows Tasks | ApplicationFrameHost.exe | ShellExperienceHost.exe | winlogon.exe | atieclxx.exe | Conhost.exe | JUCheck.exe | vssvc.exe | wab.exe | utcsvc.exe | ctfmon.exe | LSASS.exe | csrss.exe.
