What to do to handle 'No Internet After Malware Removal' error?

If you've just "cleaned out" the malware (malware) from your computer and you found that you can't connect to the Internet, you can set up a proxy server or DNS (Domain Name System) that has been changed Modified by malicious software (malware).

When the adware attacks the system, it will change the Server Proxy or DNS settings to add malicious addresses, and will redirect the browser or display ads when you access the Internet.

Although the adware type has been removed, however, the malicious address on the DNS Server remains and you will have to manually reset it to be able to connect to the Internet.

Step 1: Change proxy server to default settings

Proxy settings are used to inform your computer of the network address of the intermediate server (also known as a proxy server).

By default, your browser automatically detects proxy settings. However, if there are 'offensive' ads, it will change the initial setting to ' malicious ' addresses. Therefore, you must set up proxy server to the original default settings according to the traditional method.

1. Open Internet Explorer by clicking on the Start button, then enter the Search box for Internet Explorer keywords, on the search results list, click Internet Explorer.

If you are using Windows 10 you can search Internet Explorer directly by entering the Search box.

2. On the Internet Explorer browser window, click the jagged icon in the top right corner, select Internet Options.

3. On the Internet Options dialog window, click the Connections tab, then click LAN Settings .

Leave the item Use a proxy server for your LAN and click OK to save the changes.

Step 2: Change DNS to initial default settings

1. Open the Network and Sharing Center window by right-clicking the network connection icon in the bottom right corner of the screen, then clicking the Open Network and Sharing Center button .

2. In the Network and Sharing Center window, select the connection you are using, such as Ethernet in the example below.

3. On the next window, click the Properties button to open the connection properties window.

4. Click Internet Protocol Version 4 (TCP / IPv4) and then click the Properties button.

5. On the next window click on Obtain an IP address automatically and Obtain DNS server address automatically, then click OK.

Step 3: Reset the browser to the initial default setting state

- Internet Explorer browser:

You can reset Internet Explorer to the initial default setting. To do this thing:

1. Open Internet Explorer on your computer and then click the jagged icon in the top right corner of the screen, select Internet Options .

2. On the Internet Options dialog window, click the Advanced tab and then click the Reset button.

3. Next on the Reset Internet Explorer settings window, select the Delete personal settings button and click the Reset button.

4. After finishing the process, click the Close button on the confirmation dialog.

- Firefox browser:

The process of resetting Firefox browser will not lose important information that you have saved on the browser such as passwords, bookmarks, auto-fill information, browsing history and opening tabs.

To reset Firefox to its original default state, follow the steps below:

1. Open Firefox on your computer, then click the 3 dash line icon in the top right corner of the screen, click the Help button.

2. From the Help Menu, select Troubleshooting Information .

If you cannot access the Menu Help, enter about: support in the address bar and press Enter to open the Troubleshooting Information page.

3. Click the Refresh Firefox button in the top right corner of the Troubleshooting Information page.

4. To continue, click the Refresh Firefox button on the confirmation window.

5. Firefox will close itself and revert to the initial default setting. After completing a window displays the converted information appears. Click Finish to finish.

- Chrome browser:

Optional Google Chrome resets the browser to its original default setting. Resetting the browser settings will reset the unwanted changes caused by the installation of other programs on the system. However, the password and bookmarks you save will be erased.

1. On Chrome browser, click on the 3 dash icon or 3 dots on the right corner of the screen, then click Settings .

2. Now on the screen will display the Settings window. Here you scroll down to find and select the option advanced settings (display advanced settings ).

3. On the Advanced Settings window, scroll down to Reset browser settings as shown below:

Next click on Reset browser button.

4. A confirmation dialog will be displayed, this dialog box will show details of the items that will be restored to the initial setting state. To complete the restore process, click the Reset button.

Step 4: Scan your computer with Malwarebytes Anti-Malware

Malwarebytes Anti-Malware is an on-demand system scan tool that will find and remove all " threats ", malware (malware) from your computer, including worms, trojian, rootkit, rouge, dialer, spyware (spyware), .

And most importantly, Malwarebytes Anti-Malware will run in parallel with other antivirus software without a conflict.

1. Download Malwarebytes Anti-Malware to your computer and install it.

Download Malwarebytes Anti-Malware to your computer and install it here.

2. After downloading Malwarebytes Anti-Malware, close all programs again, then double click on the icon named mbam-setup to start the installation process of Malwarebytes Anti-Malware.

The User Account Control dialog box appears now on the screen asking if you want to run the file. Click Yes to continue the installation process.

3. Follow the on-screen instructions to install Malwarebytes Anti-Malware Setup Wizard.

2. After downloading Malwarebytes Anti-Malware, close all programs again, then double click on the icon named mbam-setup to start the installation process of Malwarebytes Anti-Malware.

The User Account Control dialog box appears now on the screen asking if you want to run the file. Click Yes to continue the installation process.

3. Follow the on-screen instructions to install Malwarebytes Anti-Malware Setup Wizard.

Click Next to install Malwarebytes Anti-Malware, until the last window click Finish to complete.

4. After installation is complete, Malwarebytes Anti-Malware will automatically open and update antivirus data. To start the scanning process, click the Scan Now button.

5. Malwarebytes Anti-Malware will start scanning your system to find and remove programs and malware on your system.

6. After the scanning process has finished, a window will appear displaying all the files and malicious programs detected by Malwarebytes Anti-Malware. To remove the malicious programs detected by Malwarebytes Anti-Malware, click the Remove Selected button.

7. Malwarebytes Anti-Malware will remove all the malicious files, programs and registry keys it finds. During the removal of these files, Malwarebytes Anti-Malware may require a reboot of the computer to complete the process.
If a message appears on the screen asking to restart the computer , just restart your computer.

Step 5: Scan your computer with HitmanPro

HitmanPro finds and removes malicious programs (malware), advertising programs (adware), system threats and even viruses. The program is designed to run with antivirus programs and other security tools.

1. Download HitmanPro to your device and install it.

Download HitmanPro to your device and install it here.

2. Double-click the file named ' HitmanPro.exe ' (if using a 32-bit version) or double-click the file ' HitmanPro_x64.exe ' (if using a 64-bit version). When the program launches, the window will appear as shown below:

Click Next to install HitmanPro on your computer.

3. And HitmanPro will start the process of scanning malicious files from your computer.

4. After the process finishes, HitmanPro will display the list of malicious programs (malware) that it finds on your system. Click Next to remove the malicious programs on the computer.

5. Click the Activate free license button to try HitmanPro for 30 days and to remove the malicious files from your system.

Step 6: Scan your computer with Zemana AntiMalware

1. Download Zemana AntiMalware to your device and install it.

Download Zemana AntiMalware and install it here.

2. Double-click the file named  ' Zemana.AntiMalware.Setup.exe ' to install Zemana AntiMalware on your computer.

The User Account Control dialog box appears now on the screen asking if you want to run the file. Click Yes to continue the installation process.

Click Next and follow the on-screen instructions to install Zemana AntiMalware on your computer.

3. When the Zemana AntiMalware window opens, click the Scan button.

4. Zemana AntiMalware will start scanning your computer for malicious files. Scanning may take up to 10 minutes.

5. When the scan finishes, Zemana AntiMalware will display a list of all detected malicious programs. Click the Next button to remove all malicious files from your computer.

Zemana AntiMalware will remove all malicious files from your computer and will require the system to reboot to remove all malicious programs.

Refer to some of the following articles:

1. Rooted Delta Search on Chrome, Firefox and Explorer browsers

1. Summary of the most frightening "virus worms" on computer systems

1. If you don't want to be a victim of Ransomware, read this article

Good luck!