Hello, I am nervous now as my laptop just now popped up virus thing. Norton tells me Backdoor: Win32/Kirts.A infects many files and programs on computer. I asked my friends to help me clean it but they also didn’t know how to get started and where is this virus located. I am wondering if other antivirus can help me fix it if I install new advanced antivirus program. And is this a really backdoor virus? I’m so worried about the operating system if this virus can eat up system and totally destroy system. Please help me check if there are other malware that have been on my computer and remove all those viruses completely.

Brief Introduction of Backdoor: Win32/Kirts.A Virus

Backdoor: Win32/Kirts.A malware is categorized as a harmful Trojan backdoor virus. This backdoor virus can severely corrupt your computer system and has a destructive effect to operating system if you can’t remove it as soon as possible. This virus goes into system important areas like registry editor, Windows folder, HOST files and start up items and so on. System files and programs will be changed or disabled by this Backdoor: Win32/Kirts.A virus. Some unknown .exe extension appearing on desktop can’t be deleted directly. And the program infected by this virus will lose some part of function and it will work improperly or even worse it can’t be opened. It will say the location files are losing and can’t find the location path. Computer error codes will happen if the virus damages severely the system files. Backdoor: Win32/Kirts.A virus would keep updating and changing its location and pathway, and meanwhile, it will reduplicate and implant its files into system so it’s hard for antivirus to remove it completely. Besides, you will find homepage is changed and browser hijacker happens. You get many pop-ups on webpage you’re browsing. Sometimes, you’re blocked to access the Internet. That is because the DNS setting is changed by this Trojan virus. This aggressive virus will gradually damage antivirus’ firewall and bring other malware infection to system.

More malware infection, more system loopholes will be created and the computer function will become poor.  The virus will get into your computer by bundling with free software, visiting unsafe websites or spam email and so on. Cyber hackers can upload the Backdoor: Win32/Kirts.A into the website that actually is controlled by them. When you visit this kind of website, the virus will soon drop into system. So please don’t open unsafe webpage, and if you accidentally open those websites, you should close it soon and don’t click anything popping up from the webpage. Popup is usually infected with virus. One clicking will bring the Backdoor: Win32/Kirts.A virus. Besides, sometimes you will receive some spam email saying you’re the winner of winning a big prize. It navigates you to click some link to get your prize. You should not follow it and open the link or attachment, as link or attachment is virus installation package or virus file. Once you click, it will soon automatically get installed into computer without your permission.

Some Traits about Backdoor: Win32/Kirts.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 Backdoor: Win32/Kirts.A virus. 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 Backdoor: Win32/Kirts.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”.

Task manager


>>>>>> 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”.

start menu


>>>>>> You will need to find out the suspicious registry files related to this Backdoor: Win32/Kirts.A virus 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 Backdoor: Win32/Kirts.A virus locates. 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:).

Hard diskdrives

>>>>>> Basically speaking, all the related files of 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.

System 32

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


Backdoor: Win32/Kirts.A virus can 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. This Trojan virus 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 this Backdoor: Win32/Kirts.A virus. You can contact YooCare/YooSecurity PC professional online service for help:

Published by Leo R. Oscar & last updated on May 10, 2016 9:10 am

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