Hello everyone, antivirus application which i have installed in my computer, noticed me that your system is infected with PUP.Optional.Yontoo. I run the antivirus application to completely scan the system and to remove this threat. But the problems is that this threat is still present after scanning. It is affecting my lot of files and programs. Actually I am using this computer for business purpose and there is so many confidential data is stored. So i am very concern about the safety the data as well as system. I do not have any idea for the removal of this threat so please suggest me the best solution to remove PUP.Optional.Yontoo from computer. Thanks………..

What is PUP.Optional.Yontoo?

PUP.Optional.Yontoo is considered as a lethal Trojan infection that comes to hurt the system. It decreases performance of PC extensively after getting sneaked. First of all it try to get access of system gradually and silently and later cause several unethical actions inside computer. The malware inserted deeply at the targeted system and performs serious damages. Even more it could propagate other threats such as adware, browser hijacker, rootkits, spyware and so on. PUP.Optional.Yontoo typically affects Windows system no matter whether you are using Windows 7 or Windows 8/8.1.

To be more specific, PUP.Optional.Yontoo disables security programs, task manager and turns off firewall settings which exploits system vulnerability and opens the backdoor of the victimized computer to make infiltration of harmful parasites like worm, adware, virus and more. This very trojan bug does not seeks for any permission and download several malicious programs and files from the Internet which consumes entire free memory spaces and system resources. Due to this, unusual shut down of computer may start and PC performance speed gets slower down to the extreme. Hence, it is out recommendation to use Automatic Removal Tool and remove PUP.Optional.Yontoo quickly when it is detected to avoid severe corruption.

Consequences Of Infiltrating Of PUP.Optional.Yontoo Virus:

Once PUP.Optional.Yontoo is successfully installed into a machine, it can will create several problems for the affected PC, which are following:

Slow and sluggish system performance.
A random error displaying “low memory” message will pop-up as well as getting random BSODs (Blue Screen Of Death).
Inability of opening or disabling of some specific programs running smoothly, including an anti-virus.
Slow Internet connection.
Generation of superfluous and annoying pop-ups and other advertisements.
Automatic redirection of the web-page to an unknown and malicious site.
Browser hijacking, including alteration of default home-page and search engine.
Unnecessary CPU overloading.

How Can PUP.Optional.Yontoo Enter Into a System

This type of viruses can be easily sneaked into a user’s PC, generally without user’s attention which can be following:

The malicious codes associated with the said Trojan virus can be attached with freeware program downloads that is done via a third-party or an unofficial site.
It may infiltrate via a file-sharing websites such as torrent or p-to-p sharing.
It may be attached with a spam e-mail attachments and will be infiltrated open it is downloaded or opened.
It may also come as a result of clicking unknown links while surfing on the net, such as clicking on adwares and banners.
It can also replicate itself via a virus-corrupt or an unscanned external USB devices like pen drives and external hard disks etc.
The said virus can also infiltrate into a system due to a live or online streamlining video and audio sites, that is unknown or unofficial.

Method 1: Remove PUP.Optional.Yontoo by Using SpyHunter.

SpyHunter is a useful malware removal tool that detects and removes many malicious threats that several of the major brands can’t detect. This tool will be able to find out and delete PUP.Optional.Yontoo and other related threats from your PC without much trouble. Now follow the steps below to automatically remove the Trojan horse:

Step 1: Download and install SpyHunter on your PC.

download spyhunter now

Step 2: Upon the installation, launch SpyHunter and perform a full system scan by clicking “Scan Computer Now”.

spyhunter-scan computer now

Step 3: Wait for the scan to complete. Then, you will be shown all detected threats on your PC.

spyhunter-fix threats

Step 4: To clean up all threats completely, click “Fix Threats” and restart your PC.

Method 2: How to manually get rid of PUP.Optional.Yontoo?

Restart your computer in Safe Mode with Networking.

For Windows 8:

Reach the desktop on Windows 8 first.
Press Ctrl + Alt + Del keys together.
Open Switch User interface.
switch-user--

And then hold down the “Shift” key and click on “Shut down” button.
Select Restart option from the pop-up page.
From the next page to choose “Troubleshoot”.
choose-an-option

Click on “Advanced Option” and choose “restart”.
Under Startup Settings, press F5/5 key to navigate to the Safe Mode with Networking.

Windows 7, XP and Vista:
Shut down the affected computer first.
Press F8 key repeatedly until Windows Advanced Option Menu loads.
Select the Safe Mode with Networking option by using the up and down arrow keys.
Hit Enter key to reach the desktop.

Step 2: Open Task Manager by tapping Alt+Ctrl+Del keys together. Move the mouse pointer to “Processes” tab. Detect the fake process created by the PUP.Optional.Yontoo popup and click on “End processes” to terminate them.

You can skip this step if you do not find any file associated with PUP.Optional.Yontoo popup.

Step 3: Uninstall PUP.Optional.Yontoo popup programs from the Control Panel.

Remove PUP.Optional.Yontoo popup For Windows 7| Vista

  • Click on Start menu and tap Control Panel.

1

  • Select “Programs” option and choose “Uninstall a Program”.

2

  • Detect all the malicious programs associated with PUP.Optional.Yontoo popup and click on Uninstall button.

3

Steps to Delete PUP.Optional.Yontoo popup From Windows 8

  • On the right edge of the screen, Click on Search button and type “Control Panel”. Click on search button.

4

  • From the search results, select Control Panel. Its Window will appear on the screen, click on Programs and Features option.

5

  • Identify the unknown programs and click on Uninstall button to get rid of PUP.Optional.Yontoo popup permanently.

6

Steps to Delete PUP.Optional.Yontoo popup From Windows 10

  • Click on Start button.

7

  • To show all the contents, you need to click on Settings option.

8

  • Tap System.

9

  • From the System menu, Choose Apps and Features option.

10

  • Find PUP.Optional.Yontoo popup from the list.

11

  • Finally, Click on Uninstall button to protect the system from PUP.Optional.Yontoo popup.

12

Step 4.Uninstall PUP.Optional.Yontoo via System Restore.

System Restore is a utility which comes with Windows operating systems and helps computer users restore the system to a previous state and remove programs interfering with the operation of the computer. If you have created a system restore point prior to installing a program, then you can use System Restore to restore your system and completely eradicate the unwanted programs like PUP.Optional.Yontoo. You should backup your personal files and data before doing a System Restore.

Steps:

a. Close all files and programs that are open.

b. On the desktop, right click Computer and select Properties. The system window will display.

c. On the left side of the System window, click System protection. The System Properties window will display.

System protection

d. Click System Restore and the System Restore window will display.

system properties system restore

e. Select Choose a different restore point and click Next.

restore system files and settings

f. Select a date and time from the list and then click Next. You should know that all programs and drivers installed after the selected date and time may not work properly and may need to be re-installed.

choose a restore point

g. Click Finish when the “Confirm your restore point” window appears.

confirm your restore point

h. Click Yes to confirm again.

windows 7 restore finish confirm

Conclusion

PUP.Optional.Yontoo is a malicious and stubborn Trojan infection which must be removed as soon as you detect it on your computer. General antivirus program is really hard to detect this virus. Once this virus is detected, it couldn’t be removed by any antivirus applications. This infection can only be removed by manual. Manual removal way is the most effective and quickly method to get rid of this infection completely and permanently. Once this infection installed on your computer, it has the ability to change your important system files such as DNS settings, browser settings as so on. As a result, while you are browsing the Internet, you may be redirected to visit some unknown websites automatically. While you are using your computer, you may find that your computer can’t run as normally as before any more. Your computer may get stuck, websites crashed, security system disabled, etc. What’s more, this infection can act as a backdoor for other infection to get into your computer more easily. With the backdoor opening, warms
, spyware, adware, and other Trojans may make chaos on your computer without any obstacle. This virus is a great threat to your computer. Hence, it is strongly recommend you get rid of this virus as early as possible before it damages your whole computer.