Help! All of the programs I try to open up are blocked by this Windows Ultimate Booster, including internet explorer, my current antivirus program, and my task manager. It tells me that my computer is in great danger. But I can’ do anything on my computer now, it’s totally blocked. This anti-virus programs asks me to pay, after that, it can help me remove the threat in my computer. How can an anti-virus tool lock my computer in this way? I need to remove it, but currently, I can’t do anything on my computer. Please help.

Brief Introduction to This Program

Windows Ultimate Booster is categorized as a rogue program comes from the FakeVimes malware family as similar as the previous virus called Windows Efficiency Kit. This virus has plenty of clones but all of them do the same thing to damage a vulnerable computer. Rogue program like this one usually installs on a user’s computer by using Trojan viruses that get downloaded from malicious websites. Except infecting computer by the help of Trojan, this fake program can also pretend as a legit protection tool for people to download from the Internet. Hackers can describe it as a very powerful program which can protect the computer from all of the viruses and other computer threats. With this attractive function, people can be easily lured to install this fake program.

The Screenshot of This Fake

windows ultimate booster

Once running, you will be forced to run a bogus scan and shown by a large number of pop-up windows and fake error messages warning about security problem. Your computer screen will be taken over because this fake antivirus keeps showing false positive to convince you that this PC has been seriously infected. And then it promotes the ‘full version’ of Windows Ultimate Booster which may look like the only solution to keep your computer safe. To further confuse PC users, it even blocks the entire executable program so that you cannot do anything on your computer. You will find the real legitimate security program installed on the system is blocked and Internet Explorer is infected as well so that getting online is forbidden in such circumstance. Although fake Windows Ultimate Booster makes everything rough, paying the full version cannot be considered as a solution to fix the problems because this program contains no ability to remove viruses, nor protect you from malware or any of the other functions that it markets. It is just a useless product created by remote hackers who want to bamboozle you into spending money on its full version before you realize that these warnings are fakes. Victims should know that the foremost goal of this fake antivirus program is to access your credit card information and linked finances. Under no circumstance should you pay for Windows Ultimate Booster.

Furthermore, with the help of this Windows Ultimate Booster, computer can be totally messed up. This fake program can disable the firewall and the real anti-virus program in the infected computer, so that it can download many other computer viruses to harm the infected computer more. What’s worse, system-related files can be randomly deleted by this rogue program. Under this circumstance, many errors can happen to the infected computer, even blue screen of death. If this virus cannot be removed, computer will come to a complete crash.

The properties of the Infection

-Always pops up once you boot up your computer or run a program, claiming your computer is in great risk
-Asking you to purchase a code to activate this software, so that it can help you to remove the threats in your computer
-Can modify the computer registry once it is installed into the computer
-Can prohibit legit program to run, including your anti-virus programs.
-Can occupy a great usage of CPU, which slows down the performance of computer or even causes blue screen.

Finding all or some of these symptoms on your computer, sorry to say that your computer is infected by Windows Ultimate Booster. Please contact YooSecurity Online PC Experts for manual removal guide. Also, we will provide a short removal guide below for computer literate.

Manual Removal Guide of Fake Anti-virus Program (For Computer Literate)

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

Step 1: Try to access the Safe mode with Networking.

In order to get into this mode, you should restart your infected computer and then press F8 key constantly before windows launches. Use your arrow keys to highlight “safe mode with networking” and then press Enter.


For those computer which are XP operating systems, you will need to you choose your XP system after you choose safe mode with networking, you can press Enter directly without choosing any thing.

safe mode system choose

After loading files, you need to log in your account to get the safe mode with networking, for XP users, please choose Yes when you see the dialog.


Step 2: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to Windows Excelerator Pro , the name of the process of it is random.

XP task manager

Step 3: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 Windows Ultimate Booster, highlight it and choose Remove.


Step 4: 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\

Video Guide on How to Remove Rogue Program:

YouTube Video Removal Guide:


Windows Ultimate Booster is fake anti-virus program which classified as a malicious computer threat. Once this rogue program takes effect in the infected computer, PC users will received many bogus warning from this virus. PC user can’t be able to do anything else on the infected computer as this malicious virus can take control of the computer. In order to remove the threats in the computer, PC user can be asked to pay to activate this fake program into full version so that it can protect the computer. Don’t be taken it. All this virus does is to cheat money from those people whose computers are infected.

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

Published by Tony Shepherd & last updated on April 10, 2014 4:07 am

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