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Betta ransomware. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware

Betta ransomware — yet another version of Dharma ransomware discovered in October 2018 

Betta ransomware
Betta ransomware is a virus that focuses on data-locking and ransom demanding. Developers have one aim to get your money and make a profit from your encrypted files.

Betta ransomware is a virus that encrypts stored data and adds .betta appendix to every encoded file. Since it belongs to the Dharma ransomware family, the primary encryption algorithm is AES. Developers make your data useless by locking your photos, videos, documents, and archives with the main purpose of extorting money. These people are malicious, and they demand a payment made in Bitcoin, but you shouldn't even consider paying them. Any contact between you and these malware developers can lead to permanent data or money loss, especially paying for these criminals.[1] After the successful encryption Betta ransomware virus developers create a ransom note that starts with “All your files have been encrypted!” and is placed in most of the folders on your infected device. Since this is a variant almost identical to previous versions in the family, we can assume that ransom message is placed as Info.hta and FILES ENCRYPTED.txt files. 

Name Betta ransomware
Type Cryptovirus
Related Dharma
Previous Versions Vanss; Bkp; Gamma; Brrr; Combo; Bip. 
File extension .[backtonormal@foxmail.com].betta
Ransom note Info.hta and FILES ENCRYPTED.txt 
Contact email backtonormal@foxmail.com
Distribution Insecure spam email attachments
Elimination Use Malwarebytes Malwarebytes or other trusty anti-malware for Betta ransomware removal

Betta ransomware is a virus that was created by notorious hackers known for a few years now and targeting the world with their crypto-extortion-based threats. This fall malware analysts have encountered a few new versions which belong to the same family of cyber threats. Dharma remains one of the most dangerous malware that goes neck to neck with GandCrab and WannaCry

The notorious Betta ransomware does not explain much in the ransom note, and the main information in the file is about payment methods, test decryption and suggestions to stay away from manual decryption because it may lead to permanent data loss. As ransomware developer suggests, you should buy cryptocurrency, and they provide you some links with places to do so. However, this is not safe and spending money for alleged decryption is not a good idea.

As well as the test decryption by Betta ransomware developers. This is not a guarantee that your data will get unlocked. The only goal cybercriminals want to reach by offering this test decryption is building the trust. Unfortunately, this test decryption only tricks people into paying them, and after the transaction, malicious actors disappear without recovering your files.

Betta ransomware ransom note reads the following:

All your files have been encrypted!
All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail backtonormal@foxmail.com
Write this ID in the title of your message:
In case of no answer in 24 hours write us to theese e-mails: backtonormal@foxmail.com
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. 
Free decryption as guarantee
Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) 
How to obtain Bitcoins
The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. 
https://localbitcoins.com/buy_bitcoins 
Also you can find other places to buy Bitcoins and beginners guide here: 
http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 
Attention!
Do not rename encrypted files. 
Do not try to decrypt your data using third party software, it may cause permanent data loss. 
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Betta ransomware encrypts your data, and there is no solution besides replacing your encoded files with secure data from a backup. There is no possibility to decrypt data manually, and virus researchers haven't developed a proper tool yet. The encryption process is a quick procedure that ransomware performs as a final step of the attack.[2]

Many researchers[3] advise creating backups in cases like this Betta ransomware infection or any other unfortunate malware attacks. If you haven't backed your data and wanted to get your files back, you need to employ software or recovery features of your operating system. Ransomware can affect various places of your device to make the threat more persistent:

  • Windows registry keys;
  • System folders;
  • Windows .dll files;
  • Important functions.

However, you need to remove Betta ransomware from the system first, and only then attempt data recovery. Follow your guidelines below the article and enter the Safe Mode with Networking. Then, scan your system using anti-malware tools which we also suggest below. 

Make sure that you perform Betta ransomware removal and then check if the system is clean with tools like Reimage. A full system scan indicates what intruders remain on the network and remember that ransomware can encrypt your data again if you add external drive on the infected system.

Notorious ransomware spreads its payload using various methods

One of the most common approaches to distributing all kinds of malware including ransomware is the spam email. These email may be created in a manipulative way. Spam emails often imitate emails that may be sent from legitimate services or organizations, for example:

  • PayPal;
  • Amazon;
  • eBay;
  • FedEx;
  • DHL;
  • Dropbox.

Be aware that if you receive an email that looks like an invoice, receipt, banking document, order information or other financial documents it might be maliciously infected. Pay more attention to emails that pose as legitimate services you do not use. The minute you open the attached file and download it on the system ransomware spreads directly on your system, or another malware infects the device with the purpose of distributing malicious script.

Eliminate Betta ransomware using anti-malware tools and don't forget to double-check

To remove Betta ransomware from the device entirely, you need to use reputable anti-malware tools like Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. These programs can scan your device thoroughly and detect all possible intruders while cleaning the system from virus damage. Ransomware encrypts files all over the system and makes changes to your device that you cannot identify yourself. 

Betta ransomware removal using these tools affects the performance of your device significantly. And it is crucial if you want to recover your files because any newly added file can be locked by the ransomware that remains on the system. Scan your system, remove all malware and double-check if the device is clear before any data recovery.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Betta virus, follow these steps:

Remove Betta using Safe Mode with Networking

Reboot your device in Safe Mode with Networking and remove Betta ransomware using your AV or another anti-malware tool:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Betta

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Betta removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Betta using System Restore

Follow these steps and enable System Restore to get rid of virus damage:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Betta. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Betta removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Betta from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Betta, you can use several methods to restore them:

Employ Data Recovery Pro for file restoring after Betta ransomware attack

If you have no backups, recover your accidentally deleted or encoded files using Data Recovery Pro

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Betta ransomware;
  • Restore them.

Try Windows Previous Versions feature as an alternative to data backups

You could use this feature if System Restore was used before

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

You have no backups? Use ShadowExplorer

ShadowExplorer could recover your files if Shadow Volume Copies remain untouched

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Decryption is not possible

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Betta and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References