PUP.Optional.Firseria Removal Guide

A high risky virus called PUP.Optional.Firseria is detected by your antivirus software in the computer? You have tried the remove or quarantine of the antivirus software several times but still feel depressed because nothing works? Why is this virus so stubborn? What can you do if your antivirus software is the latest version but cannot remove it? There are tens of thousands of files inside the computer, how to get rid of this virus without damaging the system?

Details of PUP.Optional.Firseria:

PUP.Optional.Firseria is a hateful computer virus which is able to destroy the infected computer, decline the computer’s performance significantly and help other dangerous viruses sneak into the computer to steal the user’s sensitive information. There are many ways for the virus to get into the target computer because it is created with sophisticated technology and has the ability to make full use of security vulnerabilities in Windows operating systems. The most common ways are spam email attachments, unsafe free software, unknown links and phishing websites. Although computer users are more sharp-witted, virus makers cudgel their brains to disguise their viruses. So the surface contents of these vectors are attractive so as to lure the users to click on them.

Once PUP.Optional.Firseria enters the computer, it begins to make a mess. It changes windows registry entries and other important system settings, which facilitates it to become active and start to execute malicious tasks right after you power on the computer. Your computer will run very slow and very strange. Running programs or the computer will automatically shut down. Frequent abnormal shutdowns will cause damages to the computer’s hard disk. In addition, the virus can make the system vulnerable to other viruses. On the one hand, it is bound with other viruses. It will install them on your computer one by one. On the other hand, your computer system becomes so fragile that other dangerous viruses can easily break into the system. What is worse, the cyber criminals are able to access the infected computer to collect your personal information, including financial details and contact information of your family members or friends. To eradicate these bad things, you need to remove it completely. You may have downloaded an antivirus program to solve the problem, but the antivirus program can only detect its existence. When you click the Remove button, the antivirus program just can show you remove fails. This virus is able to add its registry files in the infected computer so that it can disguise as a part of the system successfully. As a result, inflexible antivirus programs cannot do anything with it. Therefore, manual removal can be the most effective method.

What Can the Vicious Virus Do?

1. It has the ability to download additional components and other infections in the target computer in order to fully complete its penetration.
2. It is able to cause system crash and destroy some of your programs in the infected computer.
3. It facilitates the virus makers to intrude your computer remotely without letting you know.
4. It is capable of collecting your browsing history and other private data.

Manual Removal Guide:

The malicious PUP.Optional.Firseria 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 cyber criminals to invade the infected computer to steal your information. Through making use of advanced technology, it maintains the ability to combine its components with system files or to generate fake system files, which confuses computer users as well as antivirus programs. They cannot identify it accurately and timely, let alone remove it thoroughly. Therefore, manual removal is the best choice to drive it away from your computer. In this case, you are advised to delete every file generated by it manually so as to spare all later trouble. The manual removal needs to be handled carefully so as to avoid any subsequent damages. Users can follow the manual guide here to have the hijacker removed instantly.

1. End Relevant Processes

(1). Press Ctrl+Shift+Esc together to pop up Windows Task Manager, click Processes tab

*For Win 8 Users:

Click More details when you see the Task Manager box

And then click Details tab

(2). Find out and end the processes of PUP.Optional.Firseria

2. Show Hidden Files

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

(2). Click on Appearance and Personalization

(3). Click on Folder Options

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

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

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

*For Win 8 Users:

Press Win+E together to open Computer window, click View and then click Options

Click View tab in the Folder Options window, choose Show hidden files, folders, and drives under the Hidden files and folders category

3. Delete Relevant Registry Entries and Files

(1). Delete the registry entries of PUP.Optional.Firseria through Registry Editor

Press Win+R to bring up the Run window, type “regedit” and click “OK”

While the Registry Editor is open, search and delete the related registry entries:

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

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

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Random

(2). Find out and remove the associated files.

%AllUsersProfile%\random.exe

%AppData%\Roaming\Microsoft\Windows\Templates\random.exe

%Temp%\random.exe

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

Video Shows You How to Safely Modify Windows Registry Editor:

PUP.Optional.Firseria is a dangerous computer virus which can cause great harm to the infected computer. Usually, it comes from spam email attachments, some bad web pages, free programs that are tampered with by hackers. It is able to run immediately every time the computer starts. A lot of operating resources of the infected computer are taken over by this virus so that your computer reaction speed is very slow. Furthermore, the cyber criminals who make the virus have the ability to collect your personal information. Thus, when you find that the computer is infected by it, you should remain vigilant and take immediate action to remove PUP.Optional.Firseria as soon as possible.

The above manual removal is quite dangerous and complicated, which needs sufficient professional skills. Therefore, only computer users with rich computer knowledge are recommended to implement the process because any errors including deleting important system files and registry entries will crash your computer system. If you have no idea of how to process the manual removal, please contact experts from YooCare Online Tech Support for further assistance.

Published by & last updated on January 7, 2014 11:58 am