How to deal with this PUP.Optional.SearchApp.A? I have been noticed by my security tool about it for many times. I don’t know how to locate it precisely on my computer as it can always change its location. There are many irrelevant pop-ups appear on my computer. I don’t have any idea about how to solve this problem. Is it caused by this PUP? How can I get this thing off from my computer? Please advise.

Brief Introduction to This Trojan

When you get a warning about PUP.Optional.SearchApp.A on your computer, your computer must be infected with a potentially unwanted program that can cause many troubles to your computer. What’s more, with this infection’s help, many other computer viruses like Trojan, malware can sneak into your computer to make further damages. As a matter of fact, this stuff belongs to be a Trojan horse infection which is made by cyber hackers who try to get illegal benefits from innocent computer users. The way for this infection to come to victims’ computers can be various, and mostly, the Internet can be biggest place to hide this infection. PC users can be hard to notice when this infection comes to their machines until they get the bad symptoms.

Cyber hackers who design this PUP.Optional.SearchApp.A can put it into other programs, that’s to say, other programs can be the shelters of this infection, so when people download the infected programs to their machines and install them, this Trojan virus can be installed at the same time on the background. Also, people can get this infection when they come to the corrupted web pages which controlled by cyber hackers. This virus can pretend to be cache files of the websites for computers to download. All the actions can be performed on the background which are totally unseen for users, so it is very difficult for users to protect their computers from this infection.

PUP.Optional.SearchApp.A can conduct lots of malicious activities once it infiltrates the target computers. Generally, computers that run Windows XP, Windows Vista, Windows 7 and 8 can be the targets of this infection. System can get heaps of problems from many aspects once this Trojan horse get into it. System registry can be messed up by it arbitrary which can cause some fatal problems during the use. Users will get black screen or blue screen of death suddenly when they are working on the infected machines. That can be really annoying as the infected machines can be shut down automatically without any reason. Browsers installed on the infected computer can be damaged by this infection as well. The default homepage can be changed to some malicious ones which would bring other computer threats to the infected machines.

Some Traits about This Trojan

-Can slow down the performance of the computer, or even blue screen.
-Can create many junk files which occupy a lot of space in hard drive
-Can download other malicious programs into computer, which make further damage.
-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.
-Cay give you many redirects all the time no matter what you are doing.
-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

NOTE: If you find any of these symptoms on your computer, that proves your PC is under attack and seriously infected. If you are not a computer savvy, Please contact YooSecurity Online PC Experts to remove this PUP.Optional.SearchApp.A for you.

Manual Removal Guide of Trojan (For Computer Literate)

There is a removal guide of Trojan provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to this Trojan, the name of the process of it is random.

XP task manager

Step 2: Try to find Folder Options in Control Panel, select the View tab, and then tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step 3: Try to find the files which relate to this Trojan, and delete them all.

Step 4: Click on Start button at the right lower corner, then click on Control Panel


Then you will come to the Control Panel windows, click on Add and Remove Programs


Then try to find the program which relates to this Trojan, highlight it and choose Remove, the program’s name is random.


Step 5: Click on Start button or press Win+R, then type regedit in the box to open Registry Editor, after that, try to find
C:\Users\profile name here\AppData\

Similar video guide to modify Windows registry:


With this PUP.Optional.SearchApp.A runs on the infected computers, the system can be targeted by more computer viruses. If this Trojan cannot be removed in time, cyber hackers can even connect to the corrupted computer remotely without being approved by users. Those guys mainly try to get the financial information from the infected computers, so that they can use the information to get illegal incomes and other cyber crime.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of PUP.Optional.SearchApp.A? Contact online experts for help now!

Published by Tony Shepherd & last updated on February 13, 2015 5:53 am

Leave a Reply