Should you remove DNSBlock virus?
If you have been convinced to install DNSBlock adware, you should have already noticed that this program functions quite suspiciously. Although it is advertised as a convenient tool that can keep malicious Internet sites out of user’s reach, its seems that this application can redirect the user to such sites itself. Just like any other typical ad-supported program, this one also advertises numerous third-party websites by displaying their ads on user’s screen at random times. When this program is active, it connects to its server via user’s network connection and loads various advertisements, and then displays them in a form or pop-up ads (most frequently) and also banners or in-text links. Ads by DNSBlock typically seem trustworthy and catchy at the first sight, however, trusting them may be a bad idea because you can never know where these ads can take you. Be aware of the fact that they can force you to visit highly dangerous sites that promote possibly infectious content, such as fake Java or Flash updates. If DNSBlock ads started to appear on your screen, stay alert and try not to click on them until you remove DNSBlock from your computer. You can easily delete it with FortectIntego or another reputable anti-spyware software.
Users who have their computers hijacked by this program says that it works suspiciously, but what annoys them the most is that this program slows down computer’s performance. That can be explained easily. To load up its ads, this application communicates with its remote server, so it uses computer’s active network connection for that. It also exploits computer’s resources to run its processes; meanwhile, other programs need them as well. As a result, all these activities slow overall computer’s performance. That is yet another reason to remove this ad-supported application from your computer. However, that is not the last negative thing that we have to say about this dubious application. We have already received several reports from the users claiming that they have noticed the presence of DNSBlock on their PCs even if they haven’t downloaded it by themselves. That’s because it is usually distributed bundled with other free programs. To learn more about this distribution method, read the information provided in the next paragraph.
How did DNSBlock hijack my PC?
This questionable application belongs to a huge family of adware-type programs that are also known as potentially unwanted programs (PUP) due to a misleading distribution method (‘bundling’). This method is a legitimate way to make people install unwanted add-ons, plug-ins, toolbars, and extensions on their PCs. In other words, right after installing a freeware, you may find DNSBlock ads within your web browser, experience redirects, and browser’s slowdowns. Fortunately, it’s quite easy to prevent this from happening. If you are going to install a download manager, media player, PDF creator or another free software, you should check its Advanced or Custom settings and try to find out if it’s carrying optional downloads or not. If you find suspicious apps set by default, it’s a sign that you are about to install a software bundle, so make sure that you unmark all ticks before finishing the installation.
How to remove DNSBlock from computer system?
DNSBlock virus can be eliminated with the help of the instructions below. In case you want to implement DNSBlock removal manually, our recommendation would be to check the system with a reliable anti-malware after in order to get rid of other PUPs that may be lurking on the system, because third-party programs that spread via bundling usually do not travel alone. In other words, when you agreed to install the discussed PUP, you probably have allowed to install several different PUPs alongside it as well.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.
Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.
Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.
Delete from macOS
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).
Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.
- Finally, empty the Trash to permanently remove the leftovers.
Remove from Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.
Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.
Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.
Instructions for Chromium-based Edge
Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.
Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.
Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.
Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.
Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.
Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.
- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.
Remove from Google Chrome
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.
Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.
Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.
Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.
Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.
Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.
Was this guide helpful?
4 comments