Important facts about DRTOOLKRL.SYS

DRTOOLKRL.SYS is a dreadful Trojan virus that is capable of gaining easy intrusion in your PC and causing hazardous issues onto it. It conducts a series of malicious deeds in the background and wreaks havoc onto the machine. Such kind of malware infections usually start the execution of unethical deeds with first of all making changes in default system’s settings and grabbing complete control over the entire PC. In order to being detected and then eliminated from the compromised system, it deactivates the security programs and windows firewalls existing inside. Moreover, it messes with critical registry settings so that it could gain automatic start-up with each Window reboot.

DRTOOLKRL.SYS monitors your Online sessions and gathers important data by the help of which its authors make and display attractive advertisements. After that, your computer screen is flooded with endless irritating ads all over the day which makes your web browsing very difficult. These ads work on pay per click mechanism and earn profits for the developers upon being clicked. However, clicking on them might be very risky for your PC’s security. They are connected with nasty domains and may redirect you to very dangerous web portals that are filled with malicious stuffs. By visiting on such harmful sites, you may end up with getting more infections and viruses in the computer.

This perilous Trojan steals your credential data such as login ids, passwords, credit card number, bank account and other financial details. Later on, it exposes those stuffs to cyber criminals for evil purpose. They can withdraw all the money kept in your bank account and cause you to suffer a big financial loss. DRTOOLKRL.SYS shows fake update notification, security warnings, error messages and at the end of the day, scams you into downloading infectious program. It takes huge amount of memory resources and increases the usage of CPU which results in poor system performance.

It is mostly distributed through freeware downloads, spam email attachments, using pirated software or torrent files etc. Apart from this, it may also intrude the machine via peer to peer network, watching adult videos, playing Online games etc. Thus, it is highly required to avoid getting in touch with these vicious sources to keep the system harmless and secured. Always read the terms and conditions carefully and select Custom or Advanced option while installing a third party application. The longer it remains inside, it keeps damaging the system on a constant basis with its evil activities. So, don’t waste any time and delete DRTOOLKRL.SYS from the machine immediately.


Steps To Remove DRTOOLKRL.SYS From Compromised Computer

The infections like DRTOOLKRL.SYS or similar ones or those belong to other malware category are all designed to generate with only ill intention to make money for its developers who make use of any technique to force you down. However, most of the security experts associated with different security associations say this is not much harmful browser and can be removed from an infected computer by getting through some steps. If you follow the steps in the same order and with full attention as described in the procedures below, we hope you can also free up your PC easily. It’s recommended to take a hard copy of the guidelines on paper or get another computer to assist you following the steps without any hassles.

Step 1:Track and remove DRTOOLKRL.SYS from computer’s processes from task manager.

Step 2:Locate and delete the definition of this program from startup files, registry files, and host files.

Step 3:Removal of DRTOOLKRL.SYS from all reputed browsers.

Step 4:Delete DRTOOLKRL.SYS with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove DRTOOLKRL.SYS from computer’s processes from task manager.

  • Launch the Task Manager by pressing a key combination CTRL+SHIFT+ESC simultaneously.

  • Review the suspicious processes and note down its file location on computer.end-malicious-process

  • Terminate the processes now.

  • Open the “Run” command box and enter the noted down location to open in file explorer.

  • Delete the file permanently.

Step 2: Locate and delete the definition of this program from startup files, registry files, and host files

  • Launch the file explorer or any folder from my computer.

  • Click on “View” option in the above Menu (Older Windows version’s user may go to control panel to open “Folder options”)

  • Choose “Folder and Search Options”

  • Click over “View” tab.

  • Scroll down to find “Show hidden files and folders” option, and check it in the check box.

  • Find “Hide protected operating system files” and uncheck it. (This will allow you to see super-hidden files in any folder to identify the suspicious ones.)

  • Click “Apply” then “Ok”

Cleaning DRTOOLKRL.SYS definitions from Windows registry

  • To open Windows registry editor, click Win+R combination.

  • Type “regedit” ro simply copy and paste in the command line

  • Press Ok.

  • Navigate to below mentioned registry files depending on your OS versions (32 bit or 64 bit) and delete the files.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or


  • Now Launch the Windows explorer and navigate to %appdata% to find and delete suspicios executable files from there, and close the window.

Fixing Hosts file to block the unwanted redirections on all active browsers

  • Open windows explorer and navigate to Windows directory.

  • Go to System32/drivers/etc/host

  • open the host file and notice it. If the system is hijacked by the infection you would see several IP definitions at the bottom.

  • Select those IP addresses and delete them. (Don’t delete the local host entry)

  • Save and close the file, and exit the explorer window.

Step 3: Removal of DRTOOLKRL.SYS from all reputed browsers (Steps included for Chrome, Firefox & Internet Explorer)

Google Chrome

  • Launch Chrome browser.

  • Click over the main menu icon and select Tools or More Tools, then Extensions.

  • Scroll down to notice the list of installed extensions to find suspicious one and click the bin option beside it.

  • Click remove button to confirm the deletion.

  • Finally, Reset the Chrome settings to default leaving nothing behind.

Mozilla Firefox

  • Launch the Firefox and press CTRL+SHIFT+A to open extension Window.

  • Look for the DRTOOLKRL.SYS extension and Disable it.

  • Now go to Help section.

  • Click over Troubleshooting information then hit the Reset button.

  • Confirm the act to reset the browser.

Internet Explorer

  • Simply, open the browser and click thee Gear Icon on the upper right corner.

  • Navigate to Internet options and click it.

  • Now, navigate to Toolbars and Extensions, to see the list of installed addons to find unwanted one.

  • Disable or delete the selected extensions permanently.

  • In order to reset the Ie, click over Advanced tab, and click Reset.

  • Press OK button to confirm.

Cleaning the browser’s shortcuts on the computer is also recommended in most of the cases and should be accomplished for all installed browsers, for which the steps are:

  • Select the browser short-cut, and right click on it.

  • Navigate the properties and click it.

  • In the opened window, find the target option, and remove the argument for DRTOOLKRL.SYS .

  • Apply the changes.

Step 4: Remove DRTOOLKRL.SYS with an automatic solution

Although the removal method through manual instructions are effective and proven to provide the best results, still some of the victimized users may fail to get the results as per their desire. This can happen due to lack of technical consent to access most of the administrative utilities as used in above guidelines. If you also got stuck through the instructions or seeking the safest method which needs not any high end manual steps, then opting an automatic solution could be the best solution. You just need to do a few instructions taken in practice to install and scan the system deeply that will fix all issues and remove DRTOOLKRL.SYS completely. The required steps to do so is all here mentioned.


Easily remove all online trending threats from your PC safely at just single click.

Step 1:Download and install DRTOOLKRL.SYS removal tool and install it on your computer (Note:this is a free scanner that will detect the present malwares on your system only. In order to fix the threats completely, you would have to buy its full version to remove the threats.)

Step 1

Step 2: After the installation is finished, run the scanner and you will see the two options as depicted in the image below. Click on “Scan Computer Now” button.

Step 2

Step 3: In this step, you would see the scanning process bar with detection of found threats and its short description along-with its categorized thumbnail.

Step 3

Step 4: Lastly, the scanner finishes scanning the computer to show full list of detected threats on computer. Just click on “Fix Threats” button to complete the removal that hardly takes a few moments depending upon the nature and severity level of the malware items.

Step 4