PUP.Optional.Chatzum Removal Guide

My computer is infected by PUP.Optional.Chatzum virus, anti-virus program warns me the infection but has no way to get rid of it. Even another security tool can not remove it as well. How can I remove this PUP virus from my PC? Should I try one more anti-virus program or manual removal? Any help will be appreciated.

Description of PUP.Optional.Chatzum Virus:

PUP.Optional.Chatzum, being a latest and dangerous PUP virus process, it is able to cause chaos and problem on the infected computer. All kinds the Windows OS like Windows XP, Windows Vista, Windows 7 and Windows 8 can be the target of this nasty virus process. Usually PC users will get the virus infection while surfing on the Internet, especially on some unsafe webpages like porn but other unknown program and process will contain the virus as well, it will be installed . Once it is installed, it will keep taking over high resource of the CPU and damage the system files for its malicious purpose, most of the anti-virus program don’t have enough power to get rid of this virus process because it can change its name and position on the infected PC easily, that is why we suggest that PC users should remove it manually to protect the PC.

In general, PUP.Optional.Chatzum virus is able to cause terrible virus infection on the infected machine, not only can it change key system settings but also make damage on the anti-virus program, and that is the reason many advanced security programs on the infected machines will be totally corrupted. Moreover, cyber criminals may use its backdoor process to collect information from the browser, registry and system files, the entire inforamtion on the problematic machine will be in an unsafe situation. This PUP.Optional.Chatzum has been a top virus process which needs to be removed to avoid further damage.

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.Chatzum 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.Chatzum is a malicious virus process which can infect the computer by passing through the security programs. Once it has started its working on the infected PC, the PC users need to spend a long time doing actions on the infected machine such as running programs or watching video, this PUP virus can also download other virus processes without PC user’s permission, that is why most of the infected PC will suffer other virus infection at the same time. Stop hesitating, the PUP.Optional.Chatzum virus needs to be removed completely and immediately, or the infected PC will face an extremely dangerous 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 on January 28, 2014 9:59 am, last updated on January 28, 2014 9:59 am

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