Hello, I just got a virus called Win32/Delf.NRJ. how can I do now? I just download a video and some music, then after finishing downloading, Avast soon pops up and detects this virus thing. Many files and programs are infected. But after I click on Remove button on Avast screen, the removal process is going on, but at last the virus is not cleaned completely, as every time when I restart computer, this virus come back again and again. Is there a good way to get rid of this kind of virus from Windows 10? I need help urgently!

Win32/Delf.NRJ Virus Description:

Win32/Delf.NRJ virus is a dangerous and vicious Trojan backdoor virus to hit windows computer. This virus sneaks into system and corrupts windows important files. To root itself deeply and firmly into system, this virus would change system files and replace with its own files, and next it reduplicates its files and implants into many other places in system. To bypass the detection of security tool, it keeps changing its location and pathways. If some important system files are severely damaged, computer performance will also be degraded a lot. For example, computer would not start up or shut down normally, Win32/Delf.NRJ virus even cannot boot up if some important start-up items are severely damaged. Computer would get a blue screen of death when it’s starting up. In general, computer will run slowly, and if you open many programs at the same time, computer would crash down. Even when you’re surfing on the Internet, you will find network speed is slower than ever before. Some strange files with .exe extension show on desktop, but you can’t delete them. If you open many new tabs at the same time on web browser, web browser will soon get frozen and crash down. Generally, if you can’t delete this backdoor Trojan soon, many computer problems will happen.

Win32/Delf.NRJ virus also can gradually corrupt and damage windows troubleshooting mode like Safe mode with networking to make security state worse. If that happens, computer would be destroyed. What’s worse, this backdoor virus would help cyber hackers control user’s computer and let hackers log into targeted computer to steal user’s important personal information. Some victims said they can’t do anything on computer screen but see the cursor keeping moving and opening their disks, which seems to look for something they want. To keep your computer and your data safe, you usually should pay attention to your online activities. Win32/Delf.NRJ virus can be distributed on unsafe websites, bundled with free downloading programs from unknown resources or inserted into spam email attachments or shareware and so on. So you don’t visit those malicious webpages where pop-ups keep displaying. If you download programs, you had better choose advanced installation to check carefully if you can stop unwanted and unnecessary program like this Win32/Delf.NRJ installing into computer. In a word, please be cautious to what you perform online.

Some Traits about Win32/Delf.NRJ 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 Win32/Delf.NRJ 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 Win32/Delf.NRJ 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 related to this Win32/Delf.NRJ 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 Win32/Delf.NRJ 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:).


>>>>>> Basically speaking, all the related files of Win32/Delf.NRJ 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:


Win32/Delf.NRJ 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 Backdoor 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 Win32/Delf.NRJ 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 Win32/Delf.NRJ virus. You can contact YooCare/YooSecurity PC professional online service for help:

Published by Tony Shepherd & last updated on January 15, 2016 12:16 pm

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