My computer is a new laptop but recently I see my antivirus tool always pops up to tell me that my computer has a virus called PWS:Win32/Blaknight.A, and I don’t know why the antivirus cannot remove the virus at all, because I have tried to do so many times. Since this new laptop is infected with virus, it cannot run as properly as before. It seems run very slow like a snail. Someone told me that it needs to be removed manually so that it can be eradicated from mu computer, but I’m not a computer savvy and afraid I would do something wrong in system. So can you help me to remove this virus?

PWS:Win32/Blaknight.A Virus Description:

PWS:Win32/Blaknight.A virus is a harmful and dangerous Trojan horse that usually has a great ability to invade computer to perform evil activities. This Trojan is designed by cyber hacker who qualified with professional computer knowledge to help hackers access infected computer to steal important and valuable information for illegal profits. PWS:Win32/Blaknight.A virus usually comes to your computer without your knowledge and that your antivirus program detects it is on computer means your computer has been infected with this virus for a period. While this virus logs on users’ computer, it surely will do harms to computer and system. For example, it modifies your system settings to disguise itself as a system process to conduct some malicious actions to destroy the fire wall of your antivirus program or even windows system firewall; it hijacks your browsers and redirects you to malicious websites and unwanted pop-up ads to trick you to click to bring more infections; it may lurk on networking in form of hidden pages or some normal files, and when you visit those malware web pages or download files, it will attack your network and change DNS to block your access to the Internet; it always looks for security vulnerabilities to attack PCs and bring other viruses into your computer to mess up system and make further damage to your computer.

Soon as PWS:Win32/Blaknight.A virus reaches computer, it will quickly generate and copy its executable files or rookits to plant those files into some places of operating system. When it generates enough rookits to take up and replaces other normal windows files, it will gradually stand firmly in system and give system false commands or instructions. If the operating system is disordered severely, it will receive those wrong commands and follows its instructions to run. That is why you find some programs on the infected computer run improperly or even can’t operate anymore since your computer is infected with Trojan. PWS:Win32/Blaknight.A virus will do more harms to computer than what you can imagine, because it is hard for antivirus program to kill this virus. This virus can develop and update its files and routines frequently and change its code often to quickly invade other places of system. Thus no antivirus can keep pace with it to remove it. Since it can find out and create loopholes, other threats will have more chances to drop on infected computer. If so, computer will become more and more vulnerable and run slower and slower. In this case, computer will easily get blue death or cannot properly shut down or restart again. As time goes on, if you still cannot get rid of this PWS:Win32/Blaknight.A Trojan completely as soon as possible, your computer will be severely corrupted and cannot be fixed at all.

Some Traits about PWS:Win32/Blaknight.A Virus

-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.

-Can redirect you to pages you don’t want all the time no matter what you are doing.

-Take a long time to turn on or shut down your computer

-Your sensitive information can be stolen by hacker who can access to your computer with the help of this Trojan.

-May pretend as an anti-virus program and cheat you that computer is in dangerous, and ask you to pay to remove the threats.

Warm prompt: It’s complicated for people who are not computer savvy or not familiar with the virus to remove the Trojan. You can contact YooCare/YooSecurity PC professional online service for help:

Removal Guide for PCs with Windows OS

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.

>>>>>> Press Ctrl+Shift+Esc keys simultaneously to get the Task Manager to stop the active processes of PWS:Win32/Blaknight.A virus. To do this, you will need to click the “Processes” tag at the top then find out suspicious processes and right click on them and select “End Process”.



>>>>>> Click “Start” menu at the lower left corner and type “regedit” in the search programs and files box and press Enter key. Then you will open the “Registry Editor”.



>>>>>> You will need to find out the suspicious registry files in the Registry Editor, They are usually located in: HKEY_LOCAL_MACHINE > SOFTWARE. You need to distinguish them from their “Name” and “Data” at the right column. All of them will be randomly distributed. If you are not good at this, ask for an expert for help.

registry editor

>>>>>> After you find out the suspicious registry files, you need to find out where the .exe files of the virus locate. Usually, they will be in the operating system drive. To open it, you will need to click Start menu > Computer & My computer. Generally speaking, the Operating System drive is Local Disk (C:).


>>>>>> Basically speaking, all the related files of PWS:Win32/Blaknight.A virus will be located in Windows > System32. Find out all the files of the Trojan virus and delete them. Make sure that all the files you deleted are viruses, but not the files of the operating system. Any mistakes will cause data loss even system crash.


Video of Key Steps on How to Modify or Change Windows Registry:


PWS:Win32/Blaknight.A Trojan virus will severely attack your computer once it gets on your PC. It corrupts your system files, weakens the security level of the infected computer and modifies all your key registry settings as well as disables your firewall because of its root-kit. The CPU usage percentage will become higher than before, which will cause constant blue or black screen death and system freeze. It helps cyber criminals remotely control the infected PC. So hackers can do anything on your PC and get any information from your computer or by tracking your online history. And users’ personal information like credit card, bank account details, log-in passwords or other financial information could be leaked out. Victims of this virus will suffer from financial loss. This Trojan must be removed as fast as possible to avoid further damages if you detect this nasty thing on your computer.

Warm prompt: If you are not computer savvy or not familiar with the virus to remove PWS:Win32/Blaknight.A virus. You can contact YooCare/YooSecurity PC professional online service for help:

Published by Tony Shepherd & last updated on May 27, 2015 5:27 am

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