How Do I Remove the BlockNSurf virus?

AVG Anti-virus picked up a Ads by BlockNSurf virus on my computer from work. It says AVG is unable to remove this file as the original file has been removed and bundled with some system files. The laptop was extremely slow and froze down once a minute. How do you handle this problem?

What is Ads by BlockNSurf?

Ads by BlockNSurf is a malicious adware virus which brings great damages to the target computer. It is usually released by cyber criminals through network, such as harmful websites and free downloads and so on. Soon as the adware virus arrives, it installs in the computer and runs automatically every time the affected system starts. It is capable to exploit the system leaks to drop many hazardous codes to the victimized computer, and these codes can be malware and spyware. It also changes the system files and registry entries and even creates new affected files in the computer. Consequently, PC users will notice that the computer just performs extremely slowly, and it gets stuck easily at startup, shutdown and website loading processes. Indeed, the adware virus must be removed from the contaminated system immediately. As the adware can cause serious damages to the computer once it is left in the computer for a long time, and these unexpected damages include system crash, blue screen errors and system file missing issues e tc. To avoid any further loss, PC users should take actions to delete the stubborn Ads by BlockNSurf virus from the computer completely. This virus infection is a malicious Trojan infection which allows hackers to remotely access the infected computer and control it. In addition, the infected computer is also exposed to third party. The creator of the Trojan horse attack can install additional virus or malware on the infected PC. Performance is greatly affected by the virus and the infecting rage is wider. The most important results can be infected computer. You may be very suffered a bad PC performance. You will also realize that some of unknown malware has been installed in the computer that you cannot operate normally. As a result, you may find more than one infection in your computer; firewall will be more and more fragile and hardware may collapse.

Preventive Steps to Avoid this virus

Generally Trojan horse virus automatically gets installed without any user's knowledge. It enters your PC while downloading online games, music and video codec from unauthorized sites. So, you should follow following tips to prevent virus infection. 1.Always download programs or any kind of videos from an authorized website 2.Never click on unknown links 3.Take caution while opening any email attachments In this way you can prevent your PC from Trojan horse infection. However, if your system is affected by this dangerous virus then don't get panic remove Ads by BlockNSurf immediately to minimize further damages. Manual Removal Guides: 1.Reboot the PC and keep pressing F8 key on the keyboard upon PC startup but before logging in. Hit the arrow keys to choose "Safe Mode with Networking" option, and then tap Enter key to enter Safe Mode with Networking.

2.Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to this Trojan, the name of the process of it is random.

3.Try to find Folder Options in Control Panel, select the View tab, and then tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.

4.Open Registry entries. Search malicious files and registry entries related to Ads by BlockNSurf and then remove all of them.

5. Delete all add-ons related to Ads by BlockNSurf from the browsers Google Chrome Click on wrench icon-> locate Tools-> click on Extensions-> click on the bin icon or uncheck the items related to Ads by BlockNSurf.

Internet Explorer Click Tools>select "Manage Add-ons">"search providers">set Yahoo or other reputable search engine as your default one>go to "search results">remove its add-ons

Mozilla Firefox Click on Firefox button-> click on Add-ons-> search for all the extensions of Ads by BlockNSurf from the list-> click on the Remove button on each line.

Conclusion

As the above mentioned, we learn that Ads by BlockNSurf virus that is created by cyber hackers to corrupt your system and programs to make the targeted computer perform badly. Also, this Trojan may take every chance to take over your system and invade it aggressively out of control. After that, you may experience system crash and file missing problems. Moreover, other threats may sneak into your computer at the same time since your computer is targeted by the Trojan. What's worse? The Trojan may block your security protection to take effective. Since the antivirus software loses its functions, you'd better delete the Trojan in a manual way. To regain a clean computer, please download spyhunter.