I downloaded a funny video on my computer, but my anti-virus program gives me a warning that there is a virus called Trojan.VBS.UEF has infiltrated my machine. I don’t know what this stuff is as my computer knowledge is limited. When I try to use the tool to remove this thing, the tool doesn’t work. What should I do now? How can I take this virus off my machine? Please advise.

Brief Introduction to This Trojan

Trojan.VBS.UEF is a vicious Trojan horse infection that can be spread via many ways on the Internet by cyber criminals. It has been reported by many innocent computer users that their computers are damaged by this infection deeply. It can sneak into target computers without being known by computer users as its ways to invade are various and invisible. Luckily, if there are anti-virus programs installed on the target computers, they can help users to find this infection when it comes, but it doesn’t mean that those anti-virus programs can help users to get rid of this infection easily. It has been proved to be a tricky infection that can change its location all the time and can be able to corrupt the security systems on the affected computers.

It is not easy for most removal tools to get this Trojan.VBS.UEF removed in an easy way. Before being removed by security tools, this Trojan infection can have already damage the entire system including the security tools on the infected computers. It can modify the system registry to ban the anti-virus programs from running and updating the virus library. Also, it can add its malicious data into the registry so that it can be activated from the startup. As soon as people log in on the infected computers, this Trojan can start to cause troubles and problems. It can bring chaos to the system which can cause many errors to users.

Except corrupting the security systems, this Trojan.VBS.UEF can also mess up the system from many aspects. It could create a lot of junk files to occupy a large space of the hard drive which can slow down the performance of the infected computers. It would make computer users to wait a long time to run other programs as this Trojan can consume too much CPU usage. What’s worse, this kind of infection never comes to target computers alone, that’s t say, it can always help other types of computer malware to come and make more damages. In some cases, this Trojan can help cyber hackers to take control of the infected computers remotely and secretly. Privacy information saved on the infected computers can be stolen by cyber hackers if they can connect to them.

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.VBS.UEF 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:


It can be really bad to have this Trojan.VBS.UEF infection on your computer as it can make your computer compromised to other kinds of computer infections. It is a vicious infection that can damage the whole system as it can corrupt the system-related files to avoid being removed. People who go online carelessly can be easily attacked by this infection as cyber criminals usually take advantage of the Internet to spread this virus to innocent computer users.

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

Published by Tony Shepherd & last updated on May 14, 2015 5:56 am

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