Feb 12, 2014

PUP.Optional.Perion.A Virus Removal Guide

PUP.Optional.Perion.A virus infection on my personal computer. My anti-virus program has detected this virus infection, however, no matter how many time it has been removed, this PUP virus will be back after restarting the infected computer. How can I get rid of this virus process completely from my PC? Is there a brief guide that I can follow? Any help will be appreciated.

Description of PUP.Optional.Perion.A Virus:

PUP.Optional.Perion.A, being a potentially unwanted program, this virus process is able to attack PC users in the whole world, all the Windows OS can be the target of this nasty PUP virus. Usually the virus process can be detected by the anti-virus program or firewall, but most of them can not handle the virus infection well. The virus process will keep coming back after PC users restart or rescan the infected machine, this kind of the PUP virus has been the top virus on the Internet, it will bring other threats from unsafe sites automatically, it is suggested that PC users should remove PUP.Optional.Perion.A virus in a manual way.

In general, PUP.Optional.Perion.A can cause chaos on the infected computer once it has been installed successfully, the infected PC will face slow performance which PC users need to take a long time turning on the computer and running programs, this PUP virus also has the ability to create several unknown processes on the Windows Task Manager, and those malicious processes will keep taking over high resource of the CPU. What is more, the PUP virus will replace the key settings on the infected machine without PC user’s permission, and that is the reason most of the PCs will be very wired after getting virus infection. Anyway, this PUP.Optional.Perion.A virus needs to be removed completely to avoid further damage and keep the infected PC safe.

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

How Can This Virus Attack the Computer?

How did you get PUP.Optional.Perion.A virus on your computer? Usually these kinds of the viruses will be planted to some programs especially free programs, .exe, .bat or other executable processes and unsafe links. The computer will get the virus infection when the PC users install, open or click on these infected files. Sometimes the virus can even attack the computer by the files on the USB stick as well. Most of the unsafe website and forum will contain the virus infection, the computer can be infected while visiting these webpages.

What Damage Will be Caused by the Virus:

Generally speaking, this virus can cause terrible virus infection on the infected computer like running slowly and even computer crashing. Once this virus has been installed to the computer, PC users will have to spend a long time opening programs or turning on the infected machine. It keeps taking over the high resource of the CPU and attacking the anti-virus program, other threats can be downloaded automatically from the unsafe website as well. What is worst, the cyber criminals have ability to remote control the infected PC due to this dangerous virus, all the information is in a high-risk of being stolen, the whole computer won’t be safe anymore.

Best Way to Handle With the Trojan Virus Completely?

The Trojan horse virus is an extremely dangerous threat on the infected computer. Registry and other system settings can be modified by it completely, that is the reason the nasty redirect virus can escape the tracking of the security tools like anti-virus program or firewall. It is strongly suggested that PC user should get rid of this Trojan horse virus in a manual way to remove it. Learn more from the manual removal guide below.

Step-by-Step Manual Removal Guide:

1. Press Ctrl+Shift+ESC keys together and stop virus process in the Windows Task Manager.

(The name of the virus process can be random)


2. Show hidden files and folders.
a. For XP: Press Win+E together, click on Tools, then choose Folder Options

For Vista, 7 and 8: Press Win+E together, click on Organize, then choose Folder and search options.
b. Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

3. Open Registry entries. Find out the malicious files and entries of the virus and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Win+R to get the Run window. In the “Open” field, type “regedit” and click the “OK” button.


regitry editor

b. All malicious files and registry entries that should be deleted:




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

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion

4. Reboot the computer normally to take effective, when the above steps are done.

This Video Shows You How to Safely Modify Windows Registry Editor:

As the above mentioned, PUP.Optional.Perion.A is a high-risk virus process to infect PC users’ PCs for its malicious purpose, it can be attached to some infected programs so that most of the anti-virus program may hard to detect it. Once it has been installed, the PUP virus will modify system settings and registry to escape the tracking of the anti-virus programs. Cyber criminals may even be able to get into the infected PC via its backdoor process, the entire information on the infected machine can be stolen by the cyber criminals. Thus, PC users had better remove this virus once PUP.Optional.Perion.A virus infection in a short time, or their computers will be in an extremely unsafe situation.

If you have no idea how to do with that, please to contact experts from Yoocare Online Tech Support for further help.

Published by & last updated on February 12, 2014 1:11 pm

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