How to Remove Koilk Virus (Chrome/Edge/Firefox) | Updated

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I wrote this article to help you remove Koilk Virus. This Koilk Virus removal guide works for Chrome, Firefox and Internet Explorer.

Do you know what adware is? Have you had to deal with such a pest yourself? If no, you have been lucky. Until now. Given the fact that you are reading this article, it is safe to assume that you are being terrorized by the Koilk infection. Koilk is an adware and if you have it on board, you are in trouble. Adware pests don’t make for pleasant companions. They are not helpful to you in any way. They only pretend to be and, for a second, you may even believe that they are. Yet, not long after that, you will realize what a mess they cause. Koilk is no different.

Do not expect anything useful from it. The parasite will only cause you headaches and problems. That is if you let it, of course. We strongly recommend that you don’t, though. What you must do is delete the nasty infection from your system as soon as possible. It slowly but surely ruins your browsing experience and turns you from a visitor into a consumer. The program is lying to your face and you better not believe a word it says. Get rid of it on the spot!

Koilk drowns you in a sea of commercials. But have you noticed that these ads look like they have been made for you and you alone? That’s because they have. Here`s the thing. The adware had to generate pay-per-click revenue for its owners. For the purpose, it displays ads which you have to click on. When you click, the crooks get paid. But the pest doesn’t rely on luck. It needs your clicks and it does its best to get them. That’s why before the ad bombardment starts, Koilk does its homework.

The pest spies on you. It studies you to learn what you like. It knows everything about you. What you are interested in, what pages you have visited, which products you have looked for, everything. Then, it uses this information to display ads which you will find appealing. This way, it knows that you will be at least tempted to click. Do not fall into this trap. Click nothing.

The ads are fake and corrupted and they will either lead to you compromised pages full of infections, or they conceal infections themselves. Either way, a single click is all it takes for you to download more malware on your machine. Make sure this doesn’t happen. Get rid of the ads. Avoidance is just a temporary solution. The commercials become so many with time that it is impossible not to click. The only way to make them go away is to get rid of their source, aka the adware.

Once the intruder is gone, everything will get back to normal. Your screen will not be covered with pop-ups every time you go online. Also, your machine`s performance will improve. All you have to do is follow our removal guide below.

How did you get infected with this adware? Like many other pests, Koilk also turns to the old but gold means of infiltration to infect its victims. It hides behind spam emails, fake updates, corrupted pages, third-party ads, freeware bundles, etc. For instance, you may think you are updating Java while in fact, you are installing a parasite. Be more careful and use only legitimate download sources.

Also, never skip the Terms and Conditions as they may hide some misleading clauses. The fine print is something the majority of users tend to miss and that’s their mistake. Don’t let it be your mistake too. Be attentive and vigilant at all times. If you don’t protect your own machine, no one else will either.

Koilk Virus Uninstall

STEP-1 Before starting the real removal process, you must reboot in Safe Mode. If you are familiar with this task, skip the instructions below and proceed to Step 2. If you do not know how to do it, here is how to reboot in Safe mode:

For Windows 98, XP, Millenium and 7:
Reboot your computer. When the first screen of information appears, start repeatedly pressing F8 key. Then choose Safe Mode With Networking from the options.
Safe Mode with Networking
For Windows 8/8.1
Click the Start button, next click Control Panel —> System and Security —> Administrative Tools —> System Configuration.‌
Windows 8 Safe Mode with Network
Check the Safe Boot option and click OK. Click Restart when asked.
For Windows 10
Open the Start menu and click or tap on the Power button.
win10 safemode 1
While keeping the Shift key pressed, click or tap on Restart.
win10 safemode 2

STEP-2Here are the steps you must perform to remove the hijacker from the browser:

Remove From Mozilla Firefox:

Open Firefox, click on top-right corner , click Add-ons, hit Extensions next.
firefox extensions
Look for suspicious or unknown extensions, remove them all.

Remove From Chrome:

Open Chrome, click chrome menu icon at the top-right corner —>More Tools —> Extensions. There, identify the malware and select chrome-trash-icon(Remove).
chrome extensions

Remove From Internet Explorer:
Open IE, then click IE gear icon on the top-right corner —> Manage Add-ons.
ie gear
Find the malicious add-on. Remove it by pressing Disable.

STEP-3

Right click on the browser’s shortcut, then click Properties. Remove everything after the .exe” in the Target box.

ff shortcut

STEP-4

Open Control Panel by holding the Win Key and R together. Write appwiz.cpl in the field, then click OK.

appwiz

Here, find any program you had no intention to install and uninstall it.

STEP-5

Run the Task Manager by right clicking on the Taskbar and choosing Start Task Manager.

task manager

Look carefully at the file names and descriptions of the running processes. If you find any suspicious one, search on Google for its name, or contact me directly to identify it. If you find a malware process, right-click on it and choose End task.

STEP-6

Open MS Config by holding the Win Key and R together. Type msconfig and hit Enter.

msconfig

Go in the Startup tab and Uncheck entries that have “Unknown” as Manufacturer.

Still can not remove Koilk Virus from your browser? Please, leave a comment below, describing what steps you performed. I will answer promptly.

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Daniel Stoyanov
Daniel Stoyanov has a Master's degree in Computer Science from the Technical University of Sofia, Bulgaria. He is also a Microsoft Certified Professional. Daniel provides top cyber security news with in-depth coverage of malware, vulnerabilities, PC and Network security, online safety.If you have any questions feel free to ask him right now.

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