What is this PUP.LiMo? I have been noticed by my anti-virus program for many times. Forgive me for not being a computer savvy in this case. I don’t know too much about it but I guess it is not a good stuff for my computer as it is detected by my security program? Why can’t my security tool get rid of it for me? Can it be dangerous to my computer? Please advise.

Brief Introduction to This PUP

PUP.LiMo is kind of computer threat that has been invented by cyber hackers for several years with the computer development. It mainly attacks computers with Windows operating systems as it occupies the most percentages in choosing computer systems for computer users in the world. It can be classified as a potentially unwanted program. It is announced by a famous online security company. So in this case, people who get this thing on their computer must pay great attention to it as it can damage the computer system from many aspects. As a malicious computer threat, it can be definitely detected by most anti-virus programs nowadays, however, the most tough part for those tools to deal with it is how to remove it completely for computer users. It is not an easy job to handle it in a short time as this infection can change its location from every start up.

PUP.LiMo can be distributed everywhere on the Internet by cyber criminals as the web can be the largest place to hide all kinds of computer threats. People can make their computers get attacked by different computer viruses and Trojans if they are careless when surfing on the World Wide Web. Many websites, even some reputable web pages can be corrupted by cyber hackers, they can implant this PUP to the websites’ server. So when people come to visit the infected web pages, their computers can be attacked by this PUP.LiMo immediately. Plus, this PUP can be installed onto the target computers when people download some infected but actually needed programs on their computers. It is not a simple thing for all computer users to recognize which program they download is safe and which one is infected. So this PUP can get more opportunities to infiltrate target computers.

Once this PUP.LiMo is activated on the infected computer, it can add many useless and harmful extensions to the browsers installed on the infected computer. In this case, the infected browsers can perform in poor ways. PC users will take a long time to open websites and some of them cannot even be opened. What’s more, computer users will be flooded by tons of advertisements and pop-ups, those annoying things can slow down the speed of the infected computer, and it can let many other computer threats to be downloaded which can make the condition of the infected machine worse.

Some Traits about This PUP

-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.LiMo for you.

Manual Removal Guide of PUP (For Computer Literate)

There is a removal guide of PUP 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 PUP, 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 PUP, 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:


PUP.LiMo is a malicious computer threat which is distributed by cyber hackers. Cyber criminals can exploit this evil deed to achieve illegal purposes from innocent computer users. With the help of this PUP, the infected computer can be messed up and the performance of it can be slowed down. What’s worse, if this stuff can stay on the affect machine for a long time, the infected computer can be damaged by many other kinds of computer infection downloaded by it.

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

Published by Tony Shepherd & last updated on November 5, 2014 5:42 am

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