If you stumble upon the Coostero.com website, you need to be on high alert! Its appearance is a sign that a malicious parasite resides on your computer. An adware parasite, to be exact. Once the cyber pest invades, it infects every browser on your PC. Mozilla Firefox, Google Chrome, Microsoft Edge, Opera, Internet Explorer, Safari – no web application is immune to its attack.

As soon as Coostero.com establishes itself on the web platform, it will start generating numerous intrusive adverts in the form of pop-ups, in-text, banners and blinking alert messages. Their purpose is to create revenue via the pay-per-click method for both the hackers and sponsored pages. To make sure that the advertisements are more likely to get clicked on by the user, the parasite will monitor its victim’s online activity and obtain web data like browsing history and search queries. This information will help the malicious software to better customize the promoted content, so it looks more attractive to the soon-to-be-victim.

Adware commonly hides in spam emails and attachments, fake update messages, software bundles, torrent files and dubious ads and links. This malware cannot hack its way into your computer alone. It needs your help in order to invade. Once it has your permission, it will launch an attack on your browsers. Of course, you’ll grant it access to your cyber machine unknowingly. Often that happens because of your carelessness and negligence.

Opting for a Quick install when dealing with software that you’ve downloaded from the internet is a big mistake. Instead, you should select Custom or Advanced mode in the Setup Wizard. This way, you’ll easily notice any additional software that is actually malware in hiding. If any optional installations are present, you need to deselect such programs and apps, so they don’t get installed on your computer.

Adware is a nasty parasite that turns your browser into a hellish experience. Adverts will flood your screen no matter which page you visit. The malicious software will even go as far as to interrupt the video you’re trying to watch, just to display shady ads. You need to understand, that the longer you prolong its stay, the worse it will get. With time, the number of advertisements will grow rapidly, increasing the number of damages done by the adware as well.

Your browser will soon fail to work properly, due to being overloaded with ads and pop-ups. You’ll start experiencing browser crashes, lagging and slow internet speed. And that’s not all. There is no way of knowing what dangers lurk behind the promoted pages. You may be one click away from infecting your computer with other malware or giving hackers access to your personal and financial information. If you want to return to a normal, secure and ad-free browsing experience, you need to remove this annoying adware from your computer as soon as possible!

Coostero.com Removal

Before starting the real removal process, you must reboot in Safe Mode. If you know how to do this, 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.

For Windows 8/8.1
Click the Start button, next click Control Panel —> System and Security —> Administrative Tools —> System Configuration.‌

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.

While keeping the Shift key pressed, click or tap on Restart.

Please, follow the steps precisely to remove Coostero.com from the browser:

Remove From Mozilla Firefox:

Open Firefox, click on top-right corner , click Add-ons, hit Extensions next.

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).

Remove From Internet Explorer:
Open IE, then click IE gear icon on the top-right corner —> Manage Add-ons.

Find the malicious add-on. Remove it by pressing Disable.

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

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

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

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

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

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

Still cannot remove Coostero.com from your browser? Please, leave a comment below, describing what steps you performed. I will answer promptly.