Setleaf “Virus” Removal Chrome/Firefox/IE

Having an Adware program such as Setleaf “Virus” installed onto your computer can ruin your day, week or even month since most applications like this one are overly intrusive and obstructive and tend to make one’s browsing experience miserable while providing little to nothing in return. The most typical trait of an Adware program is its ability to spam the users Chrome, Mozilla Firefox or Internet Explorer browser with unpleasant adverts, banners and box messages that would keep on popping up as long as the unpleasant software remains installed on the PC. Apart from extremely irritating, this could also expose one’s computer to various security hazards which is yet another reason why most programs of the Adware category are regarded as potentially unwanted. Here, we will explain to you what to expect from an application such as Setleaf “Virus” and how you can prevent it from getting installed on your machine in the future. Also, since you are probably currently trying to get rid of the nagging Adware, we have also created a guide which contains detailed instructions on how to remove Setleaf “Virus”. The reason why there’s need for a while guide is because simply uninstalling the Adware is oftentimes not enough to fully remove it. Keep in mind that those programs are designed in such a way so as to be difficult to get rid of.

The purpose of Adware

The creators of Adware programs earn money through their products by exploiting a method known as Pay-Per-Click. The ads generated by the potentially unwanted application generate income each time a user clicks upon them. Though a single click converts into a minute amount of money, one should bear in mind that each day thousands of computers have Adware installed in their systems. Even if only half of the users fall for the various banners and pop-ups and interact with them, the overall revenue earned by the developer of the program will be rather substantial.

Do Adware programs have any useful features?

An important thing to keep in mind when talking about Adware is the fact that not all applications of this type are the same. Normally, as long as a piece of software is known to generate any sort of unwanted adverts, one can say that it is Adware. However, there are for example ad-generating programs that can in fact be quite helpful while at the same time being free since the ads they create allow their developers to earn some income without making the user pay for anything. Unfortunately, there are also those Adware programs that have little to no actual use for the actual customer and are all about gaining revenue for its creators. Sometimes, even if Adware seems like it could be something useful, it might turn out to be complete bloatware that does nothing but annoy you. In those cases, the only valuable course of action would be to remove the unpleasant application. Note that oftentimes, it depends on the individual’s point of view and it is up to them to decide whether or how unwanted an Adware program is.

The ads might be harmful!

Even if you think that you can put up with Adware, it is important to know that it might actually represent a security risk for your PC. Now, before we get any further, you should know that Adware programs are not some kind of malicious viruses the likes of Trojans, Ransomware or Spyware. However, since one can never know where those ads are coming from, it is advisable that you simply stay away from them. Clicking on an ad could potentially cause a page redirect and open some shady and maybe even illegal or harmful website. Therefore, if you want to avoid getting any more unwanted programs on your PC or landing some sort of a noxious Trojan or Ransomware virus, you’d better not interact with any of the irritating banners, pop-ups and box messages.

Learn how Setleaf “Virus” gets distributed

If you are to prevent any more Adware from getting installed onto your machine, you’d need to know how programs of this type are getting spread throughout the World Wide Web. Some of the more commonly used techniques include misleading web-offers or notifications such as the ones that tell you that you’ve won the lottery or an iPhone. Another very popular method are spam messages that get sent to your e-mail address or Facebook/Skype profile. Before we wrap this up, we ought to mention one more method known as file-bundling that seems to be getting Adware installed onto many computers. If Adware gets bundled with another program and this program gets installed by an user who does not pay attention to the setup wizard’s settings, the unwanted software gets installed as well. To avoid that, you must always take a careful look at the different options within the installation menu. If you see that there are any added applications that might potentially be Adware, just uncheck them. Even if you are not sure whether or not the bundled install is potentially unwanted, it is generally better to leave it out and not take any unnecessary risks. Note that oftentimes the settings for the bundled software can only be accessed when using the Advanced/Custom installation settings.

Setleaf “Virus” Removal

Before you begin completing the steps from the following guide, we advise you to place a bookmark on this page or have it opened on a separate device since some of the following steps will require you to close your browser.

Enter Safe Mode. If you don’t know how to do it, use this guide.


Open the Task Manger by pressing Ctrl+Shift+Esc. Go to the processes/details Tab and take a look at the resulting list. If you see a process with the name of the unwanted program or looks shady, right-click on it and select Open File Location. If you believe it is part of the infection, delete the files.


Use the Winkey+R key combination to open the Run window and in the search field type appwiz.cpl. Hit Enter and in the resulting list, look for recently installed programs that look potentially unwanted. If you find anything – uninstall it.


Re-open Run and this tie type msconfig. Hit Enter again and in the resulting window, go to the Startup tab. See if there are any shady programs there and if anything looks suspicious uncheck it and then select OK.

In the Start Menu search field, copy-paste the following line: notepad %windir%/system32/Drivers/etc/hosts . Open the first result and look at the bottom of the file where it says “Localhost”. If there are any IP addresses below that, tell us what they are in the comments since they might be coming from the unwanted software.


Type Network Connections in the Windows search field and click on the first result. Right-click on the adapter that you are using at the moment and go to Properties > Internet Protocol Version 4 (TCP/IP) > Properties.

If the DNS line is not set to Obtain DNS server automatically, make sure to check that option.

Now go to Advanced > DNS tab and remove everything in DNS server addresses, in order of use.


Right-click on your browser’s icon and select Properties. Delete everything in Target that is after .exe”.

For Chrome users

Close Chrome and go to this folder: C:/Users/*Your username*/AppData/Local/Google/Chrome/User Data. Change the name of the Default folder to Backup Default. Re-open Chrome.

For Firefox users

Open Firefox and click on the Main Menu > Add-ons > Extensions. If you see anything suspicious there, remove it.

For IE users

When you open the browser, go to Tools > Manage Ad-ons and remove the unwanted software if you see it there. Next, go to Tools > Internet options and change the homepage URL to whatever you are normally using.


Open Run (Winkey+R), type Regedit and click on OK. Next, press Ctrl+F and type the malware name. Hit Enter and delete everything that gets found.

If there are no results from the search, manually visit those folders in the Registry Editor.

  • HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Run
  • HKEY_CURRENT_USER/Software/Microsoft/Internet Explorer/Main

If you find there any suspicious keys that have names with a lot of random letters and numbers, delete them or if you are not sure, tell us in the comments what you saw.

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Adrian Bitterson

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