Best Guide To Restore Encrypted Files
Osiris ransomwareis the latest member of Locky Ransomware that was discovered by R0senb0rg. The main aim of this virus is to encrypt stored data by using asymmetric cryptography and renames encrypted files by using the “[8_random_characters]-[4_random_characters]-[4_random_characters]-[8_random_characters]-[12_random_characters].osiris. It creates an HTML file (“OSIRIS-ede4.html”) and drops on the desktop and changing the desktop wallpaper.
The HTML file and desktop wallpaper contain same message which states that your files are encrypted by using asymmetric algorithm and that can only be restored by using a private key. Unfortunately, the message is correct. There are two key (public [encryption] and private [decryption]) are generated during asymmetric encryption. The developer of Osiris store the private key on a remote server and victims are force to pay a ransom of 2.5 Bitcoin that is equivalent to $750 to receive it. All payment information are mentioned on Osiris’s Tor Website. At the end of ransom note they warned, if victim will try to rename the files and attempt to restore data from third party recovery Software then their data will delete permanently.
Text presented within *.osiris desktop wallpaper and HTML file:
!!! IMPORTANT INFORMATION !!!
All of your files are encrypted with RSA-2048 and AES-128 ciphers.
More information about RSA and AES can be found here:
hxxp://en.wikipedia.org/wiki/Advanced Encryption Standard
Decrypting of your files is only possible with the private key and decrypt program, which is on our secret server.
To receive your private key follow one of the links:
If all of this addresses are not available, follow these steps:
- Download and install Tor Browser: hxxp://www.torproject.org/download/download-easy.html
- After a successful installation, run the browser and wait for initialisation.
- Type in the address bar:
- Follow the instructions on the site.
!!! Your personal identification ID: D56F3331E80D9E17 !!!
Text presented within this website:
We present a special software – Locky Decryptor™ –
which allows to decrypt and return control to all your encrypted files.
How to buy Locky Decryptor™?
You can make a payment with BitCoins, there are many methods to get them.
You should register BitCoin wallet:
Simplest online wallet or Some other methods of creating wallet
Purchasing Bitcoins, although it’s not yet easy to buy bitcoins, it’s getting simpler every day.
Send 2.5 BTC to Bitcoin address: 1BkR8zL6jAn8zcF4t6FM85DYLFG1dZ12ip
Note: Payment pending up to 30 mins or more for transaction confirmation, please be patient…
Refresh the page and download decryptor.
When Bitcoin transactions will receive one confirmation, you will be redirected to the page for downloading the decryptor.
Should Victim Pay Ransom Money:
Victim should be aware from cyber-criminal which is responsible for the developments of Ransomware type viruses and must be ignore. Victim should not pay ransom money and ignore all the request to pay a ransom or contact cyber-criminal. It is highly possibilities, paying ransom will not get the positive result and the files remain encrypted. It is common that victim who pay ransom they got scammed. Most of the victim reported that hacker ignore the victim and close all the way of communication just after received ransom money.
What Victim Should Do?
Paying money to the hacker do not get the files back. So the paying money to the hacker is too risky and wastage of money. Are you really a victim of Osiris Ransomware and you are unable to decrypt files for free. The only way to recover file for free from backup in the form of external hard disk. If you have no any backup then you can restore data from third party recovery Software. But before doing such activities we are highly advice you have to remove Osiris ransomwarecompletely from System by using automatic removal tool.
How did Ransomware distributed into your System:
Ransomware mostly distributed into your System via spam email attachments. Cyber offender often send more than thousands of email to the recipient that have malicious attachments and downloader links with the aim to recipient open them. The malicious file can be distributed into various formats like as word, documents, zip, archer and so on. Such files seems legit, important and sent from reputable organization. Opening such file cause the execution of malicious scripts that cause malware infections such as Ransomware.
It may also spread via third party Software download sources such as Torrent, eMule, free file hosting, freeware download website etc.. Trjan can also install malware infecitons.
How To protect your System from Osiris ransomware?
Do not open email attachments which seems irrelevant and sent through unknown sender. If any file seem suspicious please scan them before open. Verify the email address and organization details. It is important to check the grammatical error and spelling mistakes of the email body. Software must be downloading or install from official and trustworthy downloader site. It is highly advice to read the installation guide carefully till the end. It is important to scan your PC with reputable antimalware tool. If your is already infected with this vicious infection then we are highly recommended to remove Osiris ransomwareby using automatic removal tool.
How to turn your encrypted files working once again?
Well, through the above explanations mentioned, you might have learned actually what happened to your files after encryption. Since the malware that has affected your files is now removed with suggested scanner, you would still require to turn your files working. And we are now going to discuss how to accomplish this task. Based on expert’s researches and their findings, there’s a number of possible methods or ways which a user can get through to restore their encrypted files to work. Even many of victimized users have tried these methods with their own infected computer and success rate is almost 95 percent. So, you can hope to have your files back, and in order to accomplish complete restore of your infected data, we suggest you check out some suggested methods here:
Methods 1: Restore encrypted files using a powerful data recovery software
Before you start to read the steps, you should know this method is appropriate to those users who have found no solutions to decrypt their files affected by ransomware. But still they are able to utilize their system and can install a software. According to experts, this method has very low difficulty level as it utilizes a program to do so.
Although this method is called to be the safest way to recover encrypted files, it still have some limitations. Technically, the encrypted data recovery solution looks through your system and its partitions to recover original files which are actually deleted by virus to replace with the encrypted one. In many cases, the user tend to copy the encrypted files on some external drive and re-install Windows OS that actually declines the chances of data recovery through this method. So, after you have managed to clean your system against malware effects, leave the files as they are and get through the steps to restore your files using one of the top most data recovery app called Stellar Phoenix Data Recovery Software.
Step 1: At first, download the app on your system by clicking the download button below.
Step 2: Click on the downloaded file through your browser to execute its installer.
Step 3: In the license agreement page, click to accept the terms and click Next button. Further, follow on-screen instructions to complete the installation, and click on Finish button finally.
Step 4: After the installation is done, the program will run automatically. At the first interface, select the file types now that you intend to recovery followed by clicking Next.
Step 5: Select the drives over which you need the software to run over and perform the recovery of encrypted files. Done? Click on Scan button.
Step 6: The software will now scan all selected drive to complete the restore process, however it may take some time depending upon volume of drives and number of files or directories were there previously. After the scanning process ends, you will be shown with a file explorer with preview of your data which you want to recover. Just select those which you need to be restored.
Step 7: Browse a location where you want the restored data to be saved.
Method 2: Encrypted file recovery with a lately created Windows backup
This method is technically for those who have a lately created Windows backup saved somewhere and is not affected by the ransomware. Using inbuilt system recovery services, the backup can restore the files which are included under the backup. This method is considered easier as well and leaves no software, thus considered as a very popular method to fight against emergencies caused by infectious malware. Here are the steps to follow:
Step 1: Hit Win + R key combination and to execute Run command line.
Step 2: In the Run text field, type ‘ms-settings:windowsupdate’ and hit the OK button.
Step 3: You will be shown Windows update settings, but you have actually to click Backup option as shown in picture, and located in left pane.
Step 4: Click on ‘More Options’ to open Backup Options panel.
Step 5: As shown in the image below, select or click on “Restore files from a current backup.”
Step 6: In the next shown window, locate the backup where you have saved it, and click on restore button below as marked in the image.
Methods 3: Using Shadow Explorer Application
This file recovery solution is recommended to those who have their backup but is currently not working, still the files under backup are not yet deleted. In this case, Shadow Explorer is an application that can help you restoring your files from those backup files which are active, but still disabled by ransomware somehow. Under this circumstance, inbuilt Windows Backup and Recovery option will not work for you, rather the software will do the magic easily. To accomplish file recovery in this case, get through the steps here mentioned:
Step 1: Click the button below to download Shadow Explorer on your computer.
Step 2: Browser the location where you have downloaded the file. Double click and extract the zip file.
Step 3: Click to open ShadowExplorerPortable directory and double click on the file as shown in the image below.
Step 4: A drop down menu will appear on screen, so just select a desired Date and time according to your requirements on the top left of Shadow Explorer app, and choose the files in given interface that you want to restore using the software. Once the selection is done, Click on the button Export..
Methods 4: Using other decryptors
Well, this method might sounds a bit weird as every ransomware identity basically uses different enciphers and methods to encrypt files on targeted computers. But when the a ransomware which has actually infected your machine comes from a ransomware family for which a decryptor is officially working and available as well, then this might work for you. Technically, this method is just based on luck and analysis, still many users have reported this worked for them. So, if you have seen a ransomware has infected your computer, the very first thing you should do is to identity what kind of virus has actually affected your machine. In most of the cases, ransomware attacks are irreversible, still those infections basically comes from a parent ransomware which might be cracked earlier. For an instance, Scarab ransomware or Hiddentear ransomware are some families which can be decrypted. To check your luck if the present ransomware that has affected your machine is decryptable or not. To do so, follow the guidelines below:
Step 1: Check the Ransomware Database Here and check if decryptor is available for the malware
Step 2: In case you find no results, you can check an open source project called NoMoreRansom to find the ransomware details and decryptor, which has affected your machine. If found, download the decryptor on your computer’s local drive. This page is being regularly updated by its officials once a ransomware is discovered in world.
Step 3: Before you proceed with the downlaoded decryptor, make sure you have backup all your important files.
Step 4: Execute the decryptor to scan and restore your files easily.