Delete Mosk ransomware and Recover Encrypted Files
Mosk ransomware is a newly detected file encryption malware belong to STOP/DJVU ransomware family. Technically, this malware is the 180th version of STOP ransomware. It gets inside the PC secretly using manipulative tricks and social engineering. After settling down, it quickly disables the firewall security settings and begins the encryption process. On every encrypted file, it adds .most file extension as suffix. Apart from file encryption, it installs a password stealing program namely “Azoruit” and deletes the “Volume Shadow Copies” as well which is a temporary backup file created by the PC operating system.
Like any other data-encrypting malware, Mosk ransomware makes your personal files hostage and demands you to pay certain money as ransom in order to unlock them. In order to know the details about file encryption and process to recover the files, it wants you to read the ransom note named as _readme.txt. This ransom note is left in every folder that contains the corrupted data. As common, the cyber-criminals want you to contact them via one of the emails mentioned in the ransom note and pay the ransom money in Bitcoin crypto-currency in order to get the decryption key.
The cyber-criminals demand to pay a hefty sum as ransom. Its actual cost varies based on how quickly you respond to the ransom note and contact with the Mosk ransomware developers. If you pay within 72 hours, the ransom cost is $490. As the time exceeds, the amount increases to $980. The two email IDs it provide in the ransom note are [email protected] and [email protected] respectively.
Name: Mosk ransomware, .mosk file virus, MOSK virus
Type: Ransomware, data encryption, file locking
Malware Family: STOP/DJVU ransomware
Ransom amount: $490 to $980
Additional Chaos: Installs Azoruit Trojan which is a password stealing malware
Circulation: Spam email campaigns, social engineering,
How to Decrypt Mosk ransomware? (Recover Encrypted Files)
In order to address the issue related to the file recovery encrypted by Mosk ransomware, it is important to understand how this malware works. As soon as it settles down, it starts a quick system scan. In the meanwhile, it makes a connection with a remote server that sends an Online key for data encryption. In case, if the connection breaks in between, an offline key is then used. In future, the offline key may appear and you can recover your files.
In case, if the files were encrypted with Online keys, it is impossible to decrypt the files unless you have the decryption key which are available with the cyber-criminals only. It is very unfortunate that cyber-experts have not been able to develop the free decryption tool until now.
The first thing that you should immediately do after ransomware attack is to remove Mosk ransomware, all its related payloads and files completely from the work-station. It is recommended to use an automatic anti-malware tool that will remove .most file virus along with the Azoruit Trojan that comes along with it. Once the PC get free from malware, you can restored the encrypted files using the backup files that you would have created earlier. The other option is using “Volume Shadow Copies” however as mentioned earlier, the ransomware deletes this temporary backup file as well. The last and only option left to recover files is to use a data recovery tool. With strong scanning algorithm, the locked and corrupted files could be recovered.
How Mosk ransomware gets distributed? (Precautionary Measures)
This kind of ransowmare can only get installed in the targeted PC with user’s interaction. For any users to be its victims, they have to download its payloads and scripts in the work-station knowingly or accidentally. The cyber-criminals have multiple options and tricks to misguide and prey you. Activities such as illegal software download, using cracked software, peer-to-peer file sharing networks are some of the easy sources of malware attack. They can carry malicious payloads and you have to say big “No” to them.
Spam email campaigns are also used by cyber-criminals. The targeted victims will starts receiving spam emails in bulk and the cyber-criminals want you to open the attachment or click on malicious links in it. Using old version of any software such as flash player, MS Office etc. are also dangerous and their vulnerabilities could be easily exploited.
Conclusion: Remove Mosk ransomware and Recover Encrypted Files
Follow the guidelines mentioned below to remove Mosk ransomware permanently from the work-station. As long as the malware is there, it will continue one files or the other. Of course, if you are a novice user then it is better that you use a malware removal tool.
It is important that you should not follow the instruction given in the ransom note. Don’t pay any money to cyber-criminals because they don’t provide the original decryption key even after receiving the money. If you don’t have backup files then try using a data recovery tool. However be sure that the malware is removed before you start any data recovery method.
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.