I got this Backdoor.Darksun.A virus on my HP laptop after I downloaded a PDF file from the Internet. Immediately, it took over my computer and reduced my system performance in every possible way. I can’t seem to perform actions on the compromised system normally, for the target computer got frozen up constantly. However, I found that my antivirus failed to pick up the Trojan infection. What should I do? How to remove the Trojan virus from my computer completely? Any virus removal guide will be highly appreciated.

Information about Backdoor.Darksun.A Virus:

Backdoor.Darksun.A is identified as a malicious backdoor Trojan virus that opens a back door for cyber hackers to execute dangerous activities on the compromised system and violate victims’ privacy aggressively. The backdoor Trojan is capable of affected PC users from the worldwide. It usually injects a compromised system which can be Vista, XP, Windows 7 and Windows 8, etc. with lots of dreadful codes including adware parasite, rootkits, worms and malware, in order to affect the computer deeply. Besides, the Trojan can change your system files, registry entries and registry settings to bring you destructive damages. Thus, you may get some registry error messages, unknown system file or program file errors when you use the affected computer. The infection just creates new files with random names and drops copies of its files to your system without any knowledge. It greatly decreases your system performance and triggers poor program functions and constant computer freezes. Even if you own advanced security program, you still find it unable to deal with the Trojan infection entirely. In this case, a feasible manual removal method will be required.

Generally, the Backdoor.Darksun.A virus sneaks into your computer while you gain access to hacked websites, spam emails or doubtful application downloads. Upon arrival, the Trojan can be activated in the background of your computer and keeps occupying your computer resources as many as possible. If you visit webs or search for specified keywords, you can be typically redirected to unwanted web pages associated with browser adware or pesky third parties online. Meanwhile, lots of pop-up ads or messages will appear on your screen, asking you to visit harmful websites, purchase unwanted things or download nasty programs. To save your computer, you had better take measures to get rid of this Backdoor.Darksun.A virus promptly and manually with expertise.

Note: Manual Removal requires expertise and it is for advanced computer users, if you don’t have much experience in dealing with such virus infection.
Contact YooSecurity Online PC Experts for removal assistance.

Symptoms of Similar Trojan Infection:

– This Backdoor.Darksun.A virus can escape from most antivirus protection and get itself installed on computers especially with Windows operating systems.
– It can cause constant stuck or even blue screens on the infected computers.
– Computer users will experience constant security pop ups on the computers which may not truly represent the status of the PCs.
– Certain malware or spyware may be prompted by these fake security pop ups which will end up scamming money.
– Sensitive data like privacy can also be stolen and taken advantages by cyber criminals.

Manual Removal Step by Step Instructions

Up till now, there is not a perfect anti-virus tool that can detect this pesky Trojan virus or delete it entirely. Backdoor.Darksun.A has been updated by remote and backstage cyber criminals and is able to escape from the scan of any anti-virus programs thus it is hard to be removed or even found. The most effective way is to remove it manually. The following instructions need quite level of computer expertise, for manual removal is a complicated and difficult process. If you don’t know how to that correctly, please contact with YooSecurity online support now!

Step A: Open Windows Task Manager to end process related to this Trojan infection. To do that, press Ctrl+Alt+Del keys at the same time to pull up Window Task Manager; go to Processes tab on top and scroll down the list to find.


Step B: Open Control Panel from Start menu and search for Folder Options. Go to Folder Options window, under View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.


Step C: Press Windows+R keys to pull up Run box and type in regedit to open Registry Editor.


Step D: Delete all these associated files and registry entries with Backdoor.Darksun.A virus from Registry Editor. The registry files are listed randomly. Besides, you need to delete the infection files of the virus from your system files to prevent it from coming back. Those files are named randomly also but may be different on different operating systems.

Video on How to Modify or Change Windows Registry Safely:

To Summarize Shortly:

We learn that the Backdoor.Darksun.A virus turns out to be a big threat to worldwide PC users. It is looking for computers running with different Windows operating systems. It usually penetrates into a target computer along with additional threats so as to damage the computer terribly. It leads to slow computer performance, disabled programs, computer freezes, computer crash and other serious issues. With the Trojan activated in your computer, you will find that some of your computer files, settings and other stuffs are modified by the pesky Trojan. When you search the web on the affected computer, you may get redirect issue and popups on the web browser. Consequently, it is necessary for you to delete the Trojan virus from your computer immediately.

Note: Have tried many methods but failed to remove Backdoor.Darksun.A virus? If you have no clue, please contact YooSecurity Online Experts in time to save your computer.

Published by Matt Johnston & last updated on July 26, 2015 5:57 am

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