Files Encrypted By Fenrir Ransomware? (Decrypt Them Using Expert Guidelines)

 

Fenrir Ransomware Description

In this IT world, almost 90 out of 100 Computer users are infected with a ransomware infection. The creator of ransomware uses highly advanced trick to create huge number of threat so that they can earn more and more profit. Recently, Fenrir Ransomware has been created that attacks almost all regular System users. The name of this ransomware is based on the son of Loki in Norse mythology which is coded on the Visual Studio 2017. It usually executed as a fake instance of the Adobe Acrobat Reader on the infected machines having aimed to attack all English speaking users. It is ranked among all file encryption threat having ability to lock almost hundred types of data containers. Researchers reported that the payload of such a threat are usually sent via spam emails, freeware installers, macro-enabled documents, torrent files, online games etc. Similar to the other ransomware infection, it aims to extort money from you.

Infection Flow of Fenrir Ransomware

Fenrir Ransomware has been designed and programmed to scan the device for connected data storage and make the list of files which are suitable for the encryption procedure. It uses customized AES-256 encryption algorithm and add unique 10 character extension after the original file extension to rename them. It displays scary message which states that it can delete the copies of Shadow Volume that made by Windows. On the successful completion of file encryption procedure, it displays ransom note which is presented as a program window and text document titled as 'ransom.rtf'. Both type of files feature the same message which represented below :

Depth Analysis of Ransom Message Displayed By Fenrir Ransomware

By displaying such a message, cyber criminals ask victim for the payment of 150 USD via Bitcoin digital currency to their wallet address. When victim's data is completely locked, a RSA key will be generated and send to the C&C services unique for every infected user. The ransom note window actually information of what to do and how to pay and a countdown clock of 72 hour. The creator of such a ransomware threatens victim that all crucial or locked data will get deleted when the countdown hit Zero. Ransom note offers two options that are “I send the payment, retrieve my files!!!” and “I well not pay, Delete my files!!!”. See how ransom windows looks like :

 

Dealing Method of Fenrir Ransomware

If you click on “I will not pay, Delete my files!!!” then you will get again a message “All you files will be excluded that you close this window turn of the computer”. But when you choose “I send the payment, retrieve my files!!!”, then you will get a screen that will ask for the password. Such a key has used for the data recovery after the successful payment of ransom fee but you should avoid it due to several reason. Ransom note is just only a tricky way to scare victim and paying ransom fee is only encouraged cyber criminals to promote their evil intention. Rather than paying ransom fee, you need to take an action immediately regarding the deletion of Fenrir Ransomware.

Free Scan your Windows PC to detect Fenrir Ransomware

What To Do If Your PC Get Infected By Fenrir Ransomware

The ransomware infection has been mainly designed with the purpose to scare users and trick their money. It take your files on hostage and demand ransom to return your important data. But now the question is what you can do when your system got infected by Fenrir Ransomware virus? Here are some option that you can use to get rid of this nasty infection.

Don’t Panic – Well the first thing is Don’t panic and then completely check out your system for any working files. If you got any working files then copy it to USB drive.

Pay Ransom – Other option is you can pay the ransom and wait to get your files back. (really a bad option)

Use Backup – Clean you entire system files, remove the infection completely from your PC and restore your files with any backup.

Remove Infection – You can also delete Fenrir Ransomware virus using malware removal tool and remove all the infected files. You can later recover all your data by using any data recovery tool. (In case you don’t have backup of your files.) – Recommended Method.

Reinstall Windows – The last option is reinstall your Windows OS. It will completely remove all your data as well as infection. You will get a completely new infection free PC.

How To Remove Fenrir Ransomware Virus From Your PC

Step 1 – Boot your computer in Safe mode.

Step 2 – Remove the infected registry entry files.

• Click Windows Flag and R button together.

• Type “regedit” and click OK button

• Find and delete following entries.

HKEY_LOCAL_MACHINESOFTWAREsupWPM

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesWpm

HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”

HKEY_LOCAL_Machine\Software\Classes\[Fenrir Ransomware]

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[Fenrir Ransomware]

Step 3 – Remove From msconfig

• Click Windows + R buttons simultaneously.

• Type msconfig and press Enter

• Go to Startup tab and uncheck all entries from unknown manufacturer.

Step 4 – Restart your computer normally.

Check your computer now. If the virus has gone then you can start using your computer. If the infection still remains then head to the next step.

Step 5 – System Restore

• Insert Windows installation disk to CD drive and restart your PC.
• While system startup, keep pressing F8 or F12 key to get boot options.
• Now select the boot from CD drive option to start your computer.
• Then after you will get the System Recovery Option on your screen.
• Select the System Restore option from the list.
• Choose a nearest system restore point when your PC was not infected.
• Now follow the option on your screen to Restore your computer.

If the above manual methods didn’t removed Fenrir Ransomware virus then you have only option to remove infection using a malware removal tool. It is last and the only option that can easily and safely remove this nasty threat from your computer.

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