Sep 9, 2013

PUP.Optional.Yontoo – How To Remove

Have you noticed that your computer is severely infected by PUP.Optional.Yontoo? Have you been aware that your computer is running sluggish recently? Do you know what would happen to your computer while getting Trojan Horse virus infection? Have you tried to use simple tools to remove it but failed? Is there an effective way to remove virus if your anti-virus is not able to remove? If you still do not know how to handle this virus, read this article and know more details about virus.

PUP.Optional.Yontoo Instruction :

PUP.Optional.Yontoo is known as a stubborn Trojan virus that aiming at taking over the infected computer and taking advantages from the victims. According to its settings, the virus has been programmed duplicates itself and infects files as much as it can to change computer settings on the infected computer. At first, it will hack your mails and send itself out to your contacts without permissions. The messages it sends will pretend to be an innocent mail attachment to trick people viewing it. Many people would wonder why it can be able to spread through one computer to another, now we know that hacking is always the best way to do so.

As a virus like this Trojan horse, the main action it takes is to steal your bank account and transfers money to third party which leading to financial loss or privacy invasion. It usually changes computer settings to hide its trait, set to run automatically and avoid detection from security programs. Slowing down computer performance, stopping other normal progress to run and changing system settings is the way this back-door virus would use to allow to allow remotely control from hackers and avoid deletion of firewalls. Thus makes this virus hard to be removed than usual virus. To remove it completely, manual way can be the best method.

The following instructions require certain levels of computer skills. If you’re not sure and are afraid of making any critical mistakes during the process, please live chat with YooCare Expert now.

Manual Removal Guides:

PUP.Optional.Yontoo is a malicious Trojan virus which can install itself into the computer system without your consent and awareness. It makes your computer work slowly and implants other nasty infections into the computer. To make things worse, this Trojan is a tool for the hacker to invade the infected computer to steal your information. It is recommended to remove it as quickly as possible. Users can follow the manual guide here to have this virus removed instantly.

1. Show Hidden Files

(1). Click on the Start button and then on Control Panel

(2). Click on the Appearance and Personalization link

(3). Click on the Folder Options link

(4). Click on the View tab in the Folder Options window

(5). Choose the Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window.

2. Delete Viral Files

(1). Delete the related registry entries through Registry Edit

Guides to open registry editor: Click “Start” menu, hit “Run”, then type “regedit”, click “OK”

While the Registry Editor is open, search and delete the following registry entries listed below:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Random’


(2). Find out and remove the associated files of this Trojan virus.



%AllUsersProfile%\Application Data\random

%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

Video Shows You How to Safely Modify Windows Registry Editor:


Through the text above we can know that PUP.Optional.Yontoo is created by hackers for their illegal purpose. If you are not sure if your computer is infected with this virus, you can check several symptoms and compare to the signs your computer shows. Getting infection with this virus will make computer performance slowing down than usual, network connection being cut off and computer background changing. If the computer is severely affected, it will crash down or frozen all the time and you can hardly use it as usual. To PC users, it is a very good concept to get rid of such a dangerous virus manually instantly.

Note: If you have no idea of how to do that, please contact experts from YooCare Online Tech Support for further help.

Published by & last updated on September 9, 2013 5:58 am

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