My laptop was affected by the Backdoor:PHP/SimpleShell.A virus and then it performed extremely poorly. It got slow system performance and constant freezing problems while you carried out activities in the compromised system. I ran security scans through the whole system and deleted all detected items, but it can’t seem to get rid of the Trojan horse. What can I do? I am not computer savvy, so I have no idea where to locate the path of the backdoor Trojan. How to save the computer? Please help me!

Information about Backdoor:PHP/SimpleShell.A Virus:

Backdoor:PHP/SimpleShell.A is a backdoor Trojan identified as risky computer infection. It is designed by cyber hackers to target PC users from the worldwide. It can be circulated for a long time and changed into different variants which are capable of affecting Windows 7, Vista, Windows 8, Windows 10 and other Windows OS. It is a potentially unwanted program that gets installed in the affected computer automatically. Every time you launch the contaminated system, the Trojan will be activated in the background of your computer. Indeed, the backdoor Trojan takes over the whole system and it does great harm to your computer. If you search the web, play games and launch large programs, etc. in the compromised system, you will find it frozen up constantly. That’s because the Trojan takes up lots of your computer resources and it leads to high CPU usage. Your system files and entries can be modified by the infection, and therefore you may get unknown system error messages or system loophole alerts. What’s worse, the backdoor virus escapes from your security programs and goes deep into your system together with additional computer threats. It is necessary for you to realize the high threat level of the Trojan and get it off your computer completely and immediately.

In fact, PC users should have been cautious with online activities, for the nasty Backdoor:PHP/SimpleShell.A Trojan usually spreads through hacked sites, unknown email attachments and free downloads and so on. It reduces your computer performance in every way and triggers system freezing problems and even computer crash. It can create new files with random names and drops malicious copies to your system without any knowledge. In any case that you ignore or leave the Trojan in the computer too long, you will experience more damages or loss. Moreover, the Trojan comes bundled with adware, malware and spyware, and it weakens your browser security to help unwanted freeware add to your computer secretly. Meanwhile, you may suffer from pesky browser redirection and popups during Internet searches. To save your computer, you had better resolve the Backdoor:PHP/SimpleShell.A virus issue in a manual removal way.

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 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:PHP/SimpleShell.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:PHP/SimpleShell.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:

The Backdoor:PHP/SimpleShell.A virus is a big computer threat and it should be kicked off your computer immediately. Because the Trojan comes bundled with additional threats and it drops unknown copies and files to your system, in order to affect your computer miserably. Absolutely, your computer will get slow system performance and freezes every time you execute activities on it. Your default computer settings and important files may be corrupted by the Trojan, so you can’t use the computer as usual. Since the Trojan attacks your security programs, it will be able to bypass its detection or deletion. In this case, you should take actions to remove the Trojan horse from your computer manually with expertise.

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

Published by Tony Shepherd & last updated on November 1, 2015 2:43 am

Leave a Reply