Remove S.adfiv Pop-up Virus — How to Remove?

S.adfiv pop-up alerts can appear out of the blue, covering the material of the site you visited or opening your web browser when you don’t need it to be opened.

Clicking on the S.adfiv advertisement can lead to the injection of various malware or unwanted programs. In this guide, you will see the guideline of S.adfiv popups removal in various ways, and also examining your system for extra malware presence.

What are S.adfiv pop-ups?

S.adfiv popups are a consequence of adware presence. Adware is a sort of malware that suggests you the pay-per-view of pay-per-click promotions, which produces a large amount of income for adware distributors. These advertisements may consist of explicit content, or have a web link to malicious content/website, considering that adware maintainers have no reason to examine the goodness of the content they are going to show – their single target is cash.

S.adfiv push notification.

Pop-up marketing itself is a good, affordable and also extremely efficient marketing tool¹. It makes it possible for the vendor to link the buyers’ interest to their site, and the customers to get the dynamic updates on the goods they want to purchase. When the consumer will get a pop-up alert that the TV set he likes to buy is provided at the online store he/she saw earlier with a 15% discount, one will undoubtedly use this opportunity and purchase it. Taking into consideration the extremely low cost for the popups and their targeting, such a promotion and marketing method is a favourite thing among the advertising departments of huge internet retail stores.

Nevertheless, such a successful plan could not be missed by malware creators. Ability to show the popup ads forcibly to the victims of malware invasion is a perfect basis for evil-minded tricks with the popup promotions. And S.adfiv.com promotions is one of hundreds that are “employed” in this system.

Here is a details for the S.adfiv

How have I got the S.adfiv virus?

There are a huge amount of ways of becoming contaminated by the adware that create the S.adfiv popups storm. A lion’s part of this virus cases is after the free software or cracked programs, that are distributed on the peering networks. Freeware can also be downloaded from the main web page, and the adware is provided as a legit bundled program.

There is no need to blame yourself. A plenty of individuals regularly use the unreliable programs from untrusted providers: abandonware, different apps that are free, or perhaps hacked programs. Every one of these sorts of software are unsafe, due to the fact that it is extremely easy to include a S.adfiv malware under the guise of part of the license hacking script, or as a component of the self-made algoritm inside of the Windows optimization tool.

The statistic shows that people dislike popup advertising more than other types of promotions

How can I get rid of S.adfiv pop-up advertisements?

The guide of S.adfiv adware clearing consists of 2 sections. Initially, we need to exterminate the malware, and then correct the effects of its action. The removal process is pretty simple, because it may be executed even with making use of Microsoft Defender – anti-virus software that is present on all personal computers with Windows 8/10. Nevertheless, because of its huge resources usage, as well as some problems that may be pivotal for some groups of individuals, Defender is often disabled by the users, so its usage is likely impossible. What’s more, a variety of trojan viruses have the ability to switch off the embedded antivirus. It is far better to use the separated program that will not have such weakness.

• Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.

• When the scan is over, you may choose the action for each detected virus. For all files of S.adfiv malware the default option is “Delete”. Press “Apply” to finish the malware removal.

Reset browser settings to default

Manual method of browser reset

To reset Edge, do the following steps :

1. Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option :

2. After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original :

For Mozilla Firefox, do the next actions :

1. Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information” :

2. In the next screen, find the “Refresh Firefox” option :

After choosing this option, you will see the next message :

If you use Google Chrome

1. Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button :

2. In the appeared list, click on the “Restore settings to their original defaults” :

3. Finally, you will see the window, where you can see all the settings which will be reset to default :

Opera can be reset in the next way

1. Open Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click “Advanced” option, and choose “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option :


2. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown :

When the browsers are reset, you need to make sure that your browser will definitely connect the correct DNS while connecting to the website you want. Create a text file titled “hosts” on your computer’s desktop, then open it and fill it with the following lines³:

Find the hosts.txt file in C:/Windows/System32/drivers/etc directory. Rename this file to “hosts.old.txt” (to distinguish it from the new one), and then move the file you created on the desktop to this folder. Remove the hosts.old from this folder. Now you have your hosts file as good as new.

Nevertheless, there is one trouble that makes things a lot more difficult to fix, particularly without the anti-malware software. A lot of adware variants that are utilized to show you the S.adfiv pop-up ads are changing the deep browser settings, disabling an access to the settings tab. So, if you try to fix your browser settings after your machine was penetrated by pop-up-related malware, your browser will crash quickly. In certain cases, you will see no crash, however, significant lag spike after pushing the “settings” key. Browser will stop reacting for ~ 30 secs, and after that it will be back to the normal, up until you try to open settings once more.

1. More about pop-up ads on Wikipedia.
2. Official Microsoft guide for hosts file reset.