Remove PUP.Optional.Downloadster

PUP.Optional.Downloadster is a new type of computer virus spread by the virus makers all over the world. Computers which are equipped with antivirus software can also be attacked by the virus because it is very tough. After its invasion successes, antivirus software just can detect it in the computer but always cannot remove it. Do you want to know why the virus is so stubborn and not what terrible things will happen if the removal is not timely? Please read this article.

Details of PUP.Optional.Downloadster:

PUP.Optional.Downloadster is a terrible computer virus that is designed by bad cyber criminals. It has the ability to take the initiative to attack computers with many security vulnerabilities and then embedded in more other malicious viruses to cause further damages. The network world not only brings convenience to people but also enables virus’s spread methods to be diversified. Virus makers use computer user’s curiosity. They hide the virus in some carriers with attractive external contents. Usually, if you accidentally open spam email attachments, download unknown free software, access to suspicious websites and open links posted by strangers, you will make your computer infected.

PUP.Optional.Downloadster is able to run in the background and perform the tasks set by virus makers quietly so that you do not know what is going on. System startup settings are changed so it will start running immediately every time you open the computer. Through taking over large amount of system resources, it makes your computer performance become worse and worse. In order to install its malicious files and registry entries to your system successfully, it also reboots your computer optionally, which will greatly interfere with your work and cause data loss. In addition, it is able to exploit the vulnerabilities to implant dangerous Trojan viruses, spyware, worms and malware in the infected computer to further consolidate its own existence and acquire a better control of your computer. Cyber criminals have the ability to monitor your online activities as well as steal your personal information. If you let it stay in the computer for a long time, you will suffer greater loss. Therefore, a pressing matter of the moment is to remove this virus. Every day there are a lot of dangerous viruses being put into the network world, thus, antivirus programs need time to update the virus database. Some well-known antivirus programs may be able to find that the computer is infected with this virus, however, they cannot remove it successfully. You can try the flexible manual removal.

Processing manual removal is supposed to have a certain level of computer literacy. If you are not sure how to start and are afraid of making any critical mistakes damaging the computer system, please live chat with YooCare Expert now.

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.Downloadster 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

Windows Task Manager

*For Win 8 Users:

Click More details when you see the Task Manager box

Win 8 Task Manager

And then click Details tab

Details Tab in Win 8 Task Manager

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

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

View in Computer Window

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

View Tab in Folder Options Window

3. Delete Relevant Registry Entries and Files

(1). Delete the registry entries of PUP.Optional.Downloadster 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’


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



%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.Downloadster is a newly released computer virus that can disrupt the infected computer seriously and threat computer user’s privacy. It will be revealed by some well-known antivirus programs, however, it has the ability to bypass the removal function of antivirus programs to stay in your computer firmly. It is good at disguising its malicious components as system files and implanting other dangerous viruses in the computer to cause more troubles. What is more terrible, this virus helps cyber criminals to intrude the infected computer secretly as well as collect your personal information. If you do not want to often encounter serious problem like blue screen of death, please take timely action to remove PUP.Optional.Downloadster.

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 on January 8, 2014 11:43 am, last updated on January 8, 2014 11:43 am

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