How to remove Nefilim virus and restore encrypted files

Nefilim ransomware virus

Nefilim ransomware had infected many computers around the world with help of easiest manner: false e-mails with viral attachments. Sometimes scammers use exploits to infect the system, but they are quickly corrected. After penetration, Nefilim checks the computer memory, determines the number of folders for encryption and their general worth. At the moment, any new virus is able to encrypt video, text, audio and image info in all most used extensions. Ransomware encrypts all files, but the ones that might be business records go first. Nefilim encrypts only information, and doesn't spoil the programs, so that the victim can pay the ransom through an infected computer. Encryption is made with the help of famous encryption algorithms, and it is so complicated that that decipherment of files without a key is impossible. This is the root for impressive effectuality of ransomware in last years: an ordinary user, even if he has a pretty good knowledge of the computer, will never decrypt the data, and will have no choice except paying to scammers. The sole manner to get back the information is to hack the scammer's site and obtain the encryption keys. Sometimes it is possible to obtain encryption keys via faults in viruse's program code.

The page is dedicated to virus called Nefilim that gets into users' systems around the world, and corrupts the files. Here we've assembled important information about Nefilim's essence, and the deletion of Nefilim from your laptop. Furthermore, we will teach you how to get back the encrypted information, if possible.

The knowledge of computers is highly important in our world, since it helps you to guard the system from dangerous programs. It's sad to say, but 90% of customers see the significance of computer knowledge just when ransomware infects their PC. To defend your data, you must remember these few basic rules:

    • Don't accept any alterations to your computer, originating from strange programs. The simplest manner of information recovery is the restoration from Shadow Copies, and fraudsters have included the deletion of those copies into the default features of ransomware. The deleting of shadow copies needs admin rights and verification from the user. If you'll stop for a moment before confirming the pop-up, it can save your information and your efforts.
    • Closely study your e-mails, particularly those messages that have files attached to them. If such a message was sent from an unknown address and it notifies about earning some prize, a lost package or anything like that, this could be a scam message. The other effective sort of such letters is a forgery for business correspondence. It is natural to take an interest and click on the message even if it's sent to the wrong address, but don't forget that one click on the viral file can cost you a lot of time, money and headache.
    • Do not disregard the signs that your hardware or software displays. Data encrypting is a complex act that consumes a lot of system resources. In few seconds after the infection, the CPU speed decreases, and the encrypting process is visible in Process Manager. You may anticipate this moment and shut down the machine before files will be totally lost. Of course, the certain amount of information will be lost, but the rest of them will be safe.

Virus removal is not the happy end - it's only a one step on the long road until the full file recovery. To recover the data you'll need to familiarize with the advices in the next chapter of this article. To deelete Nefilim, you have to launch the PC at safe mode and run the scanning via antivirus. Some viruses can't be deleted even via AV-program, and have many serious mechanisms of protection. Qualitative malware can fully remove cyphered information, or some of it, if user tries to delete the program. To avoid this, follow the advices below.

Removal instruction

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab

Startup

Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

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Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

After eliminating the malware from the laptop, you should restore the polluted information. It's impossible to decrypt the files, but we'll recover them via OS features and the particular software. Usually, to recover the information, you should seek assistance on anti-malware communities or from famous malware fighters and antiviral software manufacturers. If you can't wait and are ready to recover the data by hand - here's the complete entry on data recovery.

To restore information, follow the article about files decryption.

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