Hi. Malwarebytes keeps detecting this PUP.Optional.SProtector.A infection on my PC. I tried to delete all the infections but the computer would then become unresponsive. Then I run a second scan and get more infections related to this PUP thing. My laptop begins to lag ever since then. How can I get rid of all the infections with PUP.Optional.SProtector.A pop-up from computer?

PUP.Optional.SProtector.A – How to Remove

PUP.Optional.SProtector.A is a computer infection from the PUP family which stands for “Potentially Unwanted Programs”. Most computers that have Windows OS installed (including Windows 7, Windows Vista, Windows XP and Windows 8) are the major targets of this PUP infection. When computers are attacked by this infection, users will find themselves annoyed and troubled by many unwanted malicious programs as time goes on. The PUP infection is able to bring in more cyber threats like malware and ransomware if it cannot be removed from the system in time. Judging from this perspective, the PUP.Optional.SProtector.A can be categorized as a Trojan virus.

Victims of similar infections often wonder how come they still get attacked by these threats when they have got Anti-virus protections on their machines. Aren’t these programs supposed to keep PCs safe from attacks of cyber threats? The fact is, our online behavior is a major cause of this PUP.Optional.SProtector.A. It’s believed that the infection is bundled with malicious resources online (freeware, spam ware, suspicious pop-ups, unauthorized applications and unknown executable files or programs ect.). When computer users visit these resources online on purposes or accidentally, they somehow will open the doors for viruses to get inside the system. Hence, to avoid or reduce the chances of getting infected by such infections, always bear in mind that unauthorized suspicious things on the webs are potentially risky. Since Anti-virus software has mostly failed to remove PUP.Optional.SProtector.A virus, try to manually get rid of the infection from PC with the following instructions.

To completely get rid of the PUP infections from system and save computer from all the potential troubles, Contact YooSecurity Online PC Experts to get help if you are not qualified with advanced PC skills to deal with such similar infections:

PUP Infections Are Risky in Many Ways

As mentioned above, the PUP.Optional.SProtector.A virus can be installed on a system via bundling; it doesn’t need permissions from PC owners to get in. And due to its ability to help prompt other malware and spyware, the infected computer is about to face more threats and scams if a timely removal of the PUP infection cannot be done. Other than that:

– PUP.Optional.SProtector.A can disable certain functions and programs on the computer;
– CPU usage is highly taken up and system runs in a very slow beat;
– Different malware or scam ware can constantly pop up to claim the system is full of infections, errors and other problems which can lead to a total crash down;
– Web browsing can also be affected and users can be redirected to unwanted results when surfing online;
– Illegal access of third-parties can be allowed by the infection;
– Precious data and private info can both be collected for cyber crime usage later on.

A Step-by-Step Trojan Manual Removal Guide

Note: Virus files and associating registry values can be named differently. Expertise will be required during the manual removal process in order to achieve a complete virus removal. 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 PUP.Optional.SProtector.A 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 values associated with this PUP.Optional.SProtector.A infection:

Run+Registry Editor

Video on How to Modify or Change Windows Registry:


When getting this PUP.Optional.SProtector.A pop-up on PC, running security programs will not help you get rid of the infections. This PUP infection is designed well to escape from most PC protection tools and persistently stay on a machine to bring in more unwanted programs to display all kinds of scams. Executable programs and the computer can become unresponsive quite often during the removal of this virus. Hence, a manual removal should be performed timely to prevent all the possible consequences from happening. Otherwise, PC will be suffering from more cyber threats and crashing down eventually. Victims can also be put into all kinds of cyber scams in which malware or spyware will help cyber criminals extort money from them by generating constant fake security alerts and pretending to be helpful applications. If you do not want to mess up any further, try to get rid of this Trojan through manual removal process.

Note: Cannot find certain registries to delete this PUP.Optional.SProtector.A virus? Contact YooSecurity Online PC Experts now for further assistance if computer is still not safe from all the potential dangers:

Published by Tony Shepherd & last updated on October 22, 2013 11:54 am

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