Is there any efficient way to remove this Trojan.LockScreen.EM without wiping all my data on my computer? I have tried several ways posted on the Internet to get it removed, but I just can’t locate it. To be honest, I don’t know too much about the computer. I have Norton on my computer, I got the virus warning from it, but why can’t it remove it for me? Should I change another anti-virus program to try?

Brief Introduction to This Trojan

Trojan.LockScreen.EM is a baleful Trojan with strong destructivity. It is designed by cyber criminals who want to exploit it to gain evil purposes from victims whose computes get infected by it. There are too many Trojans existed that we can hardly list them one by one, and with the technology developing, Trojan infection can be created into many new varieties day by day. So it is really hard for most anti-virus programs to deal with the latest version of Trojan infection perfectly for computer users as the removal needs to be updated, but it still needs time. During the time, the Trojan infection can be able to damage the anti-virus programs that installed on the infected computers which can totally disable the security tools from using.

Trojan.LockScreen.EM can easily sneak into target computers if the computer users are careless when they are online. Cyber hackers can utilize the World Wide Web to spread this Trojan infection to innocent computers all over the world. Usually, those bad guys can hack into the websites that they find the loopholes. After taking control of those hacked web pages, they will upload the Trojan files to the servers of them and edit the malicious script of it so that when people come to the corrupted websites, this Trojan can infiltrate the target computers secretly and spontaneously. If people click some unsafe links accidentally, they can be redirected to some corrupted websites which contain this Trojan horse infection and get infected. What’s worse, if people don’t pay too much attention to the source where they download programs on the Internet, this Trojan can seize every opportunity to invade the target computers via corrupted programs.

Once this Trojan.LockScreen.EM is activated on the target computer, it can start its vicious activities immediately. The first thing for it to do is to modify the system registry to make sure it can start work at the backdoor whenever the infected machine is turned on. Also, it can ban the anti-virus program from activating in the start up, and the system firewall can also be shut down. With such a bad condition, the infected computer can be compromised and it can be easily attacked by many other computer viruses and Trojans that downloaded by the help of this Trojan infection.

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 Trojan.LockScreen.EM 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:


Trojan.LockScreen.EM can really be a disaster if your computer is hit by it. Your computer’s performance can be slowed down and the whole system can be messed up. It is necessary for you to get this nasty infection off from your computer as soon as possible before any other damages and losses could occur. Cyber hackers can even connect to your computer and steal your privacy if this Trojan is not removed in time.

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

Published by Tony Shepherd & last updated on October 16, 2014 11:27 pm

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