Last week, I saw a great deal of messages like “my web browser shows me undesirable Pu4.biz pop-up promotions, is it a virus?” or “these Pu4.biz pop-up ads in my Chrome making me crazy, how to manage them?”. Due to the stats for last months, pc virus distributors started a massive adware circulation campaign. Let me show you, how you can delete the computer viruses from your computer, and also forget about the bothersome Pu4.biz pop-ups.
Pop-Ups : Discovering The Nature
You can admit that some sites (like a Pu4.biz) offer you pop-up ads. The message can contain something like “do you want to get notifications about the most recent news?” or “permit alerts to be reported regarding latest discounts?”. Typically, such messages are safe, and can just distract you with its sudden showing up. Moreover, it can be quickly disabled, in case notifications from this online resource are no longer desired.
Pop-up notifications are rather an reliable advertising instrument. If you have an interest in goods of some sort, you can enable pop-ups from the web site where you can acquire this stuff, and as quickly as these items are in inventory again, or if you can have a price cut – you will certainly get the alert about this. The counterparty – online stores, car lending services, etc – will certainly be in profit, too – customer will undoubtedly get a pointer regarding the item he/she planned to purchase. As well as such a marketing technique is practically cost-free – this factor is very vital for firms.
| Site | Pu4.biz |
| IP Address | 167.71.64.21 |
| Infection Type | Adware, Push notifications, Unwanted Ads, Pop-up Ads |
| Symptoms | Annoying pop-up ads in the right corner. |
| Similar behavior | Pu5.biz, Pu6.biz, Time4news.net |
Pu4.biz Pop-Ups Are Not So Safe
But in some cases pop-up promotions can show up without your confirmation, as well as with a content which is completely different from your existing interests or search queries. And, besides unwanted Pu4.biz pop-ups from the unknown source, you can at the same time see a great deal of ads, consisting of ones on the pages which at first have no promotions whatsoever. Such a scenario can be the indicator of adware presence.
Adware is the sort of malware which injects into your computer, then begins showing you different ads. Their content often has no connection with your regular search questions. Besides banner promotions, your web browser can additionally demonstrate you a huge number of various Pu4.biz pop-up promotions, which appear in the lower right area.
The model of adware usage is extremely sly. The large pack of adware is spread through trojan viruses, which are infiltrated in your computer earlier. Advertisements, which are suggested to you by virus, are paid by their creators. In a few weeks, all anti-malware programs began to block these adware, therefore, trojan loses in profitability. And to finish the user’s personal computer, virus distributors begin ransomware distribution through these trojans.
Even if there is no active ransomware distribution, your computer may still be affected by adware virus. A massive number of promotions along with Pu4.biz pop-ups can make your PC as slow as snail, so your normal tasks will be difficult to carry out in common way.
How Can I Deal With Pu4.biz Pop-Ups?
Presuming the paragraphs above: your desktop, and your information, is in a serious risk. To stop this infection, you need to utilize antivirus software. Microsoft Defender, which is installed in every Windows 10 distribution, has the ability to handle Pu4.biz pop-ups virus. Nonetheless, it can not revert the web browser changes which were implemented by malicious program. An additional negative aspect of the antivirus by Microsoft is its specific vulnerability: malware can disable Microsoft Defender with the Group Policies after being implanted to your computer.
To be 100% sure that your computer is clean of any malware now, and will be clean in future, I can advice you to use GridinSoft Anti-Malware.
To detect and erase all unwanted programs on your PC, including Pu4.biz pop-ups virus, with GridinSoft Anti-Malware, it’s better to use Standard or Full scan. Quick Scan is not able to find all the viruses, because it scans only the most popular registry entries and directories.
You can observe the detected malicious programs sorted by their possible harm till the scan process. But to perform any actions against malicious programs, you need to hold on until the scan is finished, or to stop the scan.
To choose the action for every detected virus or unwanted program, click the arrow in front of the name of detected malware. By default, all malware will be removed to quarantine.
Reverting browser settings to original ones
To revert your browser settings, you need to use the Reset Browser Settings option. This action cannot be counteracted by Pu4.biz malware, hence, you will surely see the result. This option can be found in the Tools tab.
After choosing the Reset Browser Settings button, the menu will be shown, where you can specify, which settings will be reverted to original.
Reset browser setiings without using third-party software
Besides using anti-malware tools for browser restoration, you can pick the “Reset browser settings” option, which is usually embedded in all popular browsers.
Reset Microsoft Edge ⚙ Settings
- Open "Settings and more" tab in upper right corner, then find here "Settings" button. In the appeared menu, choose "Reset settings" option:
- After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original:
Reset Mozilla Firefox ⚙ Settings
- Open Menu tab (three strips in upper right corner) and click the "Help" button. In the appeared menu choose "troubleshooting information":
- In the next screen, find the "Refresh Firefox" option:
- 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:
- After clicking the "Restore settings..." button, you will see the window, where all settings, which will be reset, are shown:
- Open Settings tab, find the "Advanced" button. In the extended tab choose the "Reset and clean up" button:
- In the appeared list, click on the "Restore settings to their original defaults":
- Finally, you will see the window, where you can see all the settings which will be reset to default:
Reset Opera ⚙ Settings
Reset Google Chrome ⚙ Settings
As an afterword, I want to say that the time plays against you and your PC. The activity of browser hijacker Pu4.biz must be stopped as soon as possible, because of possibility of other malware injection. This malware can be downloaded autonomously, or offered for you to download in one of the windows with advertisements, which are shown to you by the hijacker. You need to act as fast as you can.