This article has been created to explain in detail what is the Rundll32.exe virus and how you can fully erase it from your computer without damaging Windows.
Rundll32.exe is the official name of the command-line utility of Windows. The main purpose of those files is to restrict you to call functions from any given DLL. This is the main reason why malware authors often use these programs or create a fake process of them in order to hide the malicious virus files of the infection they are trying to push onto victims’ computers. This article provides more information on how to detect if Rundll.exe or Rundll32.exe to be clean, corrupted or malicious and how to remove a virus from your PC without damaging these key Windows modules.
|Type||Spyware or Other Malware|
|Short Description||May be taken advantage by malicious DLL modules to perform their malicious activities. May imitate the real Rundll Windows modules.|
|Symptoms||The symptomps vary on the type of malware infecting your PC.|
|Distribution Method||Malicious files, scripts or URLs.|
|Detection Tool|| See If Your System Has Been Affected by malware |
Malware Removal Tool
|User Experience||Join Our Forum to Discuss Rundll32 Virus.|
Rundll32.exe Malware – Distribution
Rundll32.exe is often misused by programs that are directly malicious to your computer. These programs inlcude:
- DDoS malware.
Usually these viruses tend to be copied onto victims’ computers either automatically via other malware previously infecting it or manually by getting the user to open the malicious file him or herself.
If manually, the crooks often target victims with messages that contain either malicious web links or malicious files embedded in them. They often use e-mails that are sent, pretending to come from legitimate companies from the likes of PayPal, eBay, Amazon and other companies. The e-mails appear like the image underneath shows:
But this is not the main method via which viruses, like rundll32.exe are spread. The malware may also be replicated via different types of executable files, such as:
- Fake Setups of software.
- Portable programs.
- Fake cracks, patches and other types of executables.
- Key generators and other license activators.
Rundll32.exe Virus – How Does It Work
Any given virus that interacts with the RunDLL processes may drop it’s malicious files undetected on your PC first. The files are often from different file types and they may be located in the commonly targeted Windows directories by malware:
Once this has been done, the malware may begin it’s malicious activities on your computer. The virus may either spawn a fake Rundll32 process or it may execute DLL files as an administrator by corrupting your main Rundll files. This is known as privilege escalation and Is something that grants the virus privileges to act as if it was the administrator or owner of your computer.
Be advised that the original location of the Rundll.exe and Rundll32.exe files is the following:
But this does not mean that the virus won’t create a fake file in the same directory in order to fool you that this is the actual file. The only way to detect it is to see if the file is verified by Windows. This is done by right-clicking on the file itself and clicking on Properties. Then, you will be able to see the file to be identified and verified by Windows:
If this is the case, but you still believe there is a virus on your computer, be advised that the virus may be using malicious .dll components that exploit the legitimate Rundll32.exe file and this means that you should not remove it.
Furthermore, If there is a virus, be advised that the consequences for that may be different, but they are almost always the following:
- The malware may be logging your keystrokes.
- Data may be stolen from your web browser (Passwords, .etc).
- More malware may infect your PC.
- The virus may have the ability to take screenshots and control hardware from your PC.
- Your files may be copied from your system or may be corrupted.
These are the main reasons why you should play it safe and backup your files if you see suspicious activity coming from Rundll32.exe.
Remove Rundll32.exe Viruses from Your PC
If you want to remove Rundll32.exe from your computer, we recommend that you follow the removal instructions underneath. They have been created with the main idea to help you remove this virus either manually or automatically. If you struggle to find the root files of the Rundll32.exe virus, be advised that you should focus on removing the threat automatically. Accrding to cyber-security experts, the best and safest way to remove Rundll32.exe is to run a scan on your machine, using an advanced anti-malware software. Such program will effectively make sure that the Rundll32.exe virus is removed and your PC stays protected against any infections that might appear in the future too.
- Guide 1: How to Remove Rundll32 Virus from Windows.
- Guide 2: Get rid of Rundll32 Virus from Mac OS X.
- Guide 3: Remove Rundll32 Virus from Google Chrome.
- Guide 4: Erase Rundll32 Virus from Mozilla Firefox.
- Guide 5: Uninstall Rundll32 Virus from Microsoft Edge.
- Guide 6: Remove Rundll32 Virus from Safari.
- Guide 7: Eliminate Rundll32 Virus from Internet Explorer.
How to Remove Rundll32 Virus from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Rundll32 Virus
Step 2: Uninstall Rundll32 Virus and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it.
Step 3: Clean any registries, created by Rundll32 Virus on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by Rundll32 Virus there. This can happen by following the steps underneath:
Get rid of Rundll32 Virus from Mac OS X.
Step 1: Uninstall Rundll32 Virus and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Rundll32 Virus via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove malware from your Mac
When you are facing problems on your Mac as a result of unwanted scripts, programs and malware, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Remove Rundll32 Virus from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Erase Rundll32 Virus from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Uninstall Rundll32 Virus from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Remove Rundll32 Virus from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Rundll32 Virus will be removed.
Eliminate Rundll32 Virus from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.