Computer attacked by the PUP.Optional.Wajam.A virus? Where did this Trojan infection come from? Is the antivirus software failed to remove this virus? How can one stop all the security pop ups from showing constantly? Has any damage already been caused by this Trojan virus? What is the best solution here to get rid of this security pop up?

PUP.Optional.Wajam.A – How to Remove Trojan Virus

PUP.Optional.Wajam.A can be seen on computers as a security pop up generated by antivirus software. This virus, however, can’t seem to be removed by any antivirus application as it often proves the removal is failed by coming back to the system over and over again. As a matter of fact, this situation has become quite common to lots of computer users when they have found out that their computers are infected with similar Trojan infections. It’s not that the antivirus you have isn’t good enough but the Trojan virus is persistent enough to stubbornly stay in the system. Victims of this Trojan virus often come across constant deaths on the computers. The infection should be removed ASAP from the computer for safety.

Resources like malicious web sites and links, freeware and spam attachments can all be used in distributing this PUP.Optional.Wajam.A infection. And the install of this virus does not need permission from PC owners. Different from malware or spyware, this Trojan infection does not keep showing up on the computer screen blocking user from running other executive applications but hide itself deep down in the system while taking up a lot of CPU usage. Infected computers will run extremely slow making it difficult for users to open a single program. Things will be stuck more often and blue screens may be experienced every once in a while. Other than that, malicious codes can even be injected into the system to help cyber criminals gain remote control of the infected computer. Valuable and private info can probably be stolen by them and used in conducting some illegal activities online. Therefore, for safety consideration, this PUP.Optional.Wajam.A virus should be completely removed from the computer as soon as possible.

Note: To save computer from all the potential damage, contact YooSecurity Online PC Experts to get help to remove this stubborn Trojan virus if you are not a PC expert.

To Sum-up Effects of This Trojan Infection

– PUP.Optional.Wajam.A virus can escape from most antivirus protection and get itself installed on computers with Windows OS
– It can cause constant stuck or even blue screens on the infected computers
– Victims can experience constant security pop ups on the computers which may not truly represent the status of the PCs
– Certain malware or spyware may be prompted by these fake security pop ups which will end up scamming money
– Sensitive data like privacy can also be stolen by cyber criminals

A Step-by-Step Trojan Manual Removal Guide

Manual removal process is suggested here as it guarantees a complete removal. Expertise will be required during the manual removal process to deal with the changeable characters of this PUP.Optional.Wajam.A virus. Steps have been listed in the following to get rid of this Trojan virus:

Step 1: Open Windows Task Manager to end processed related to Trojan virus. To do that, press Ctrl+Alt+Del keys at the same time or right click on bottom Task Bar and select Start Task Manager.

Windows Task Manager

Step 2: Open Control Panel from Start menu. Go to Folder Options and under View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended) then click OK.

Folder Options

Step 3: Go to Registry Editor. First press Windows+R keys and then type regedit in Run box to search. Delete registry entries associated with this PUP.Optional.Wajam.A infection:

Run+Registry Editor

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit”

Video on How to Modify or Change Windows Registry


PUP.Optional.Wajam.A virus is currently reported to attack PC users on Windows OS. Due to its ability to distribute on the Internet via malicious resources, this Trojan infection can attack computers from different places. When the infection is done, this Trojan will hide its evidence deep down inside the system while taking up a lot of CPU usage. This will cause constant stuck on the computer. Things will be incredibly slow with constant security pop ups showing on the screen. If you haven’t been able to get rid of this infection in time, other malware or spyware could also be brought into the computer to extend the damage. Worst ever, privacy security will be threatened by this Trojan virus as it can help cyber criminals collect valuable information out of the infected computers. A complete removal, which cannot be done by antivirus software, can be achieved with manual removal process.

Note: Have spent hours on the virus removal process with no success? Contact YooSecurity Online PC Experts now to get further assistance if you can’t complete this PUP.Optional.Wajam.A virus manual removal.

Published by Tony Shepherd & last updated on August 14, 2013 12:39 pm

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