How to remove NOSU ransomware and recover files

Proper guide to delete NOSU ransomware from PC

NOSU ransomware is described as file infection virus or a data locker ransomware that belongs to Djvu ransomware family. It is harmful file encrypting virus which is able to infect all versions of Windows operating system very easily. This notorious malware has been created and developed by team of remote hackers with an aim to encrypt all types of files and demand ransom fees for its decryption. After invading into your device, it will locks down all your files by using powerful encryption algorithm and add “.nosu” extension to the end of encrypted filenames and make it totally useless. Thus, users are unable to open any file as earlier. After finishing encryption process, NOSU ransomware creates ransom note “_readme.txt” which informs victims about encrypted file and demand ransom money to restore them.

They also warns users to contact ransomware developers via email address provided and ask for decryption key. Once contacted, they provide you complete instructions on how to make payment for decryption tool. Further, victims are encouraged to contact developers within 72 hours after encryption otherwise price of such tool will be doubled as well as also all your files will be deleted. As proof users can also send 1-2 files for free decryption but you may know that it does not contain any valuable information as well as size of file is not more than 1MB. If victims try to open or decrypt any files by using other decryptor tool then their files as well as data will be permanently lock.  So, it is strongly advised to remove NOSU ransomware as early as possible upon detection.

Short description

Name: NOSU ransomware

File Extension: .nosu

Type: Ransomware, Cryptovirus

Short Description: A malware that is designed to encrypt valuable files stored on infected computers so that it can extort a ransom fee from victims.

Symptoms: Important files are encrypted and renamed with the virus extension .nosu. A ransom message forces victims to contact hackers in order to receive instructions on how to pay a ransom fee probably in cryptocurrency.

Ransom Demanding Note: _readme.txt

Distribution Method: Spam Emails; Email Attachments; Corrupted Websites; Software Installers

Detection Tool: See if your system has been infected with NOSU ransomware then we suggest you to remove it as soon as possible.

Distribution methods and prevention methods:

Basically, PC gets infected with ransomware and other dubious malware by using several different methods. Some of them are spam emails, bundles of free software programs, Trojans, untrustworthy software download sources, fake software updaters and unofficial software activation tool. Cyber crooks spread malware through spam campaigns by sending that contains malicious attachments or websites links that are designed to download some malicious file. If you open those files, it install malicious software. Trojans are malicious programs that are designed to cause chain infection. Unofficial activation tool are programs that are supposed to bypass paid activation of licensed software. Fake software updaters infect system by exploiting bugs or flaws and other vulnerabilities of some outdated software that is installed on the PC or by simply installing malicious programs instead of any updates.

So, you are advised not to use any of the aforementioned methods for downloading or installing any programs otherwise it may cause damage. Avoid clicking on suspicious links as well as visiting commercial websites. So, if your system files are already encrypted by NOSU ransomware and you are unable to delete this virus and recover your files then you can use below mentioned automatic removal tool that has the capability to eliminate infiltrated malware immediately. After that you can easily and safely recover your files by using existing backup or by using effective recovery software.

Text presented in NOSU ransomware’s text file:

ATTENTION!

 

Don’t worry, you can return all your files!
All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
https://we.tl/t-Oc0xgfzC7q
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.

To get this software you need write on our e-mail:
[email protected]

 

Reserve e-mail address to contact us:
[email protected]

 

Your personal ID:

–

Antimalware Details And User Guide

Click Here For Windows

Click Here For Mac

Step 1: Remove NOSU ransomware through “Safe Mode with Networking”

Step 2: Delete NOSU ransomware using “System Restore”

Step 1: Remove NOSU ransomware through “Safe Mode with Networking”

For Windows XP and Windows 7 users: Boot the PC in “Safe Mode”. Click on “Start” option and continuously press on F8 during the start process until the “Windows Advanced Option” menu appears on the screen. Choose “Safe Mode with Networking” from the list.

Now, a windows homescreen appears on the desktop and work-station is now working on “Safe mode with networking”.

For Windows 8 Users: Go to the “Start Screen”. In the search results select settings, type “Advanced”. In the “General PC Settings” option, choose “Advanced startup” option. Again, click on the “Restart Now” option. The work-station boots to “Advanced Startup Option Menu”. Press on “Troubleshoot” and then “Advanced options” button.  In the “Advanced Option Screen”, press on “Startup Settings”. Again, click on “Restart” button. The work-station will now restart in to the “Startup Setting” screen. Next is to press F5 to boot in Safe Mode in Networking.

For Windows 10 Users: Press on Windows logo and on the “Power” icon. In the newly opened menu, choose “Restart” while continuously holding “Shift” button on the keyboard. In the new open “Choose an option” window, click on “Troubleshoot” and then on the “Advanced Options”. Select “Startup Settings” and press on “Restart”. In the next window, click on “F5” button on the key-board.

Step 2: Delete NOSU ransomware using “System Restore”

Log-in to the account infected with NOSU ransomware. Open the browser and download a legitimate anti-malware tool. Do a full System scanning. Remove all the malicious detected entries.

In case if you cannot start the PC in “Safe Mode with Networking”, Try using “System Restore”

• During the “Startup”, continuously press on F8 key until the “Advanced Option” menu appears. From the list, choose “Safe Mode with Command Prompt” and then press “Enter”

• In the new opened command prompt, enter “cd restore” and then press “Enter”.

• Type: rstrui.exe and Press “ENTER”

• Click “Next” on the new windows

• Choose any of the “Restore Points” and click on “Next”. (This step will restore the work-station to its earlier time and date prior to NOSU ransomware infiltration in the PC.

• In the newly opened windows, press on “Yes”.

Once your PC gets restored to its previous date and time, download the recommended anti-malware tool and perform a deep scanning in order to remove NOSU ransomware files if they left in the work-station.

In order to restore the each (separate) file by this ransomware, use “Windows Previous Version” feature. This method is effective when “System Restore Function” is enabled in the work-station.

Important Note: Some variants of NOSU ransomware delete the “Shadow Volume Copies” as well hence this feature may not work all the time and is applicable for selective computers only.

How to Restore Individual Encrypted File:

In order to restore a single file, right click on it and go to “Properties”. Select “Previous Version” tab. Select a “Restore Point” and click on “Restore” option.

In order to access the files encrypted by NOSU ransomware, you can also try using “Shadow Explorer”. In order to get more information on this application, press here.

Important: Data Encryption Ransomware are highly dangerous and it is always better that you take precautions to avoid its attack on your work-station. It is advised to use a powerful anti-malware tool in order to get protection in real-time. With this help of “SpyHunter”, “group policy objects” are implanted in the registries in order to block harmful infections like NOSU ransomware.

Also, In Windows 10, you get a very unique feature called “Fall Creators Update” that offer “Controlled Folder Access” feature in order to block any kind of encryption to the files. With the help of this feature, any files stored in the locations such as “Documents”, “Pictures”, “Music”, “Videos”, “Favorites” and “Desktop” folders are safe by default.

It is very important that you install this “Windows 10 Fall Creators Update” in your PC to protect your important files and data from ransomware encryption. The more information on how to get this update and add an additional protection form rnasomware attack has been discussed here.

How to Recover the Files Encrypted by NOSU ransomware?

Till now, you would have understood that what had happed to your personal files that got encrypted and how you can remove the scripts and payloads associated with NOSU ransomware in order to protect your personal files that has not been damaged or encrypted until now. In order to retrieve the locked files, the depth information related to “System Restore” and “Shadow Volume Copies” has already been discussed earlier. However, in case if you are still unable to access the encrypted files then you can try using a data recovery tool.

Use of Data Recovery Tool

This step is for all those victims who have already tries all the above mentioned process but didn’t find any solution. Also it is important that you are able to access the PC and can install any software. The data recovery tool works on the basis of System scanning and recovery algorithm. It searches the System partitions in order to locate the original files which were deleted, corrupted or damaged by the malware. Remember that you must not re-install the Windows OS otherwise the “previous” copies will get deleted permanently. You have to clean the work-station at first and remove NOSU ransomware infection. Leave the locked files as it is and follow the steps mentioned below.

Step1: Download the software in the work-station by clicking on the “Download” button below.

Step2: Execute the installer by clicking on downloaded files.

Step3: A license agreement page appears on the screen. Click on “Accept” to agree with its terms and use. Follow the on-screen instruction as mentioned and click on “Finish” button.

Step4: Once the installation gets completed, the program gets executed automatically. In the newly opened interface, select the file types that you want to recover and click on “Next”.

Step5: You can select the “Drives” on which you want the software to run and execute the recovery process. Next is to click on the “Scan” button.

Step6: Based on drive you select for scanning, the restore process begins. The whole process may take time depending on the volume of the selected drive and number of files. Once the process gets completed, a data explorer appears on the screen with preview of that data that is to be recovered. Select the files that you want to restore.

Step7. Next is to locate the location where you want to saver the recovered files.