Don’t know how to remove Trojan.Yontoo virus from your computer when it takes control of your system? All sorts of anti-virus utilities were used to catch it but failed at last. What is it on earth? How dangerous would it be? Now let’s review this post which offers an easy and quick way for its removal. If you’re baffled how to start, live chat with Tee Support certified experts right now.

Trojan.Yontoo Description

Trojan.Yontoo is a dangerous cyber infection that can bring in other harmful codes such as rogue malware, adware virus, browser hijacker onto your computer without any permission. Generally this virus propagates through hacked websites, junk emails, insecure downloads, and other malicious methods. Even though you have installed antivirus software to protect your PC, such threat can easily bypass it and block Windows firewall to make your system vulnerable for other viruses’ invasion. That may result from rootkit technology included which can conceal the virus existence deeply. Facing such situation, manual removal with IT professionals becomes necessary.

When Trojan.Yontoo breaks onto your machine, many PC problems will occur.  First of all, it can generate a startup registry to make itself activated automatically with every system’s log-in. Upon activation, it can modify the currently-used web browser unknowingly; hence, there come a sea of undesired search redirections that are less compatible with search keywords, through which those virus creators can earn money. Worse still, Trojan.Yontoo allows remote cyber criminals to access the computer and perform corrupt acts, for instance, it records every keystroke you type on keyboard-including user names, passwords, and other personal information such as online game account details. And besides, it’s responsible for stupid PC performance & internet speed, random freezing issues, change of desktop icons, inefficacy in running legit programs, etc. To completely and permanently delete Trojan.Yontoo from your machine, we need to find out and remove all the infected files & registries of the virus. Here below is the guide for you.

Potential Dangers Caused by Trojan.Yontoo Virus

  1. The virus endangers your Internet environment by redirecting your web searches to other harmful domain which carries more threatening viruses and deceives you to download free software, videos, games and files, etc.
  2. It allows remote access to compromise your computer by changing your PC system settings, registry settings and files to capture and steal your personal privacy data without any permission.
  3. It infects with lots of bundled malware, malicious spyware, adware parasites, and all these harmful PC threats can deep hide in your system, processes, files and folders.
  4. This Trojan significantly slows down your computer performance and sometimes makes system crashed randomly.

What If Antivirus Software don’t Help to Remove Trojan.Yontoo?

Not all viruses can be deleted by antivirus. Depending on the type of virus you have, Trojan.Yontoo is able to re-instate themselves soon. It may have to be quarantined the Antivirus program you have gives definitions for the type of virus it discovers. It also tells you whether it was deleted or sent to the virus vault. But you know the fact is different. And even competent anti-malware programs may be unable to delete Trojan.Yontoo, if you try to remove the virus yourself, and unfortunately the existing antivirus cannot help you out. You might try another method - manual removal.

Basic Steps to Delete Trojan.Yontoo Manually

1) Boot your computer into Safe Mode with Networking.

To perform this procedure, please restart your computer and keep pressing F8 key until Windows Advanced Options menu shows up, then using arrow key to select “Safe Mode with Networking” from the list and press ENTER to get into that mode.

2) Press Ctrl+Alt+Del keys together to pull up Window Task Manager and end suspicious processes:

3) Check the following directories and remove all these associated files:

%systemroot%\System32 (64bit)

4) Open Registry Editor by navigating to Start Menu, type in Regedit, and then click OK. When you have been in Registry Editor, please remove the following related registry entries:

HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\\10
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\\SFGDFGFDH

5) After you finish the above steps, please reboot your computer and get in normal mode to check the effectiveness.

Video Guide on How to Modify Windows Registry Entries

NOTE: Manual removal of files and registry entries is very effective to get rid of this annoying threat Trojan.Yontoo. Anyhow, it requires skills & experience, and any wrong operation or even any deviation from the instructions during the manual removal could result in irreparable system damage. To make sure complete deletion, it is recommended to contact an expert online for tech support.

VN:F [1.9.18_1163]
Rating: 9.0/10 (6 votes cast)
How to Manually Delete Trojan.Yontoo (Virus Removal Guide), 9.0 out of 10 based on 6 ratings
Bookmark and Share

Get a Safer, Cleaner & Faster PC!

A good spyware remover can safeguard your computer at real-time automatically.

  • Terminate latest, stubborn virus/spyware
  • Safe, effective and complete
  • Fix various PC problems

So, pick one of your favorite to protect your system easily.

Malwarebytes Anti-Malware

Download | Review

Malwarebytes is one of the most popular and widely used anti-virus and malware-removal software applications for both home and corporate computer users alike.


Download | Review

SpyHunter is a powerful, real-time anti-spyware application designed to assist computer users in protecting their PC from trojans, rootkits and others.