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BandarChor ransomware. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware

BandarChor — dangerous ransomware-type infection targeting inexperienced PC users

BandarChor ransomware image
BandarChor is a ransomware-type infection which makes files unreadable by appending the specific extension.

Questions about BandarChor ransomware

BandarChor is a ransomware which was first detected in 2014, yet still active in 2018. Currently, it uses AES 256 cipher for data encryption and leaves the ransom note in the form of HOW TO DECRYPT.txt file. Afterward, victims are urged to contact the hackers via one of the following email addresses: 

  • help@decryptservice.info;
  • Shigorin.Vitolid@gmail;
  • kiaracript@gmail.com. 
Name BandarChor
Type Ransomware
Cryptography AES 256
Extension .id-[random_char]_help@decryptservice.info
Discovery date 2014
Given email addresses help@decryptservice.info; Shigorin.Vitolid@gmail; kiaracript@gmail.com.
Decryptable  No
Removal  Reimage is recommended to uninstall BandarChor virus

According to PC security experts, the latest version of this ransomware can attack files with these extensions:

.001, .ace, .bup, .bvd, .cng, .cryptra, .dco, .enx, .fdp, .jac, .jbc, .kbb, .nba, .pkey, .rzx, .safe, .sde, .sgz, .sle, .sme, .vhd, .wallet, .wbb, .wbcat, .win. 

However, we do NOT recommend dealing with hackers because you can be left with no money and no files. If you want to protect your important data, make sure you transfer it to external hard drives, USB sticks, and similar places. Also, keep your browser up-to-date and install a reliable anti-spyware on your computer to prevent infiltration of this ransomware. If you need to remove BandarChor from the system, you should use Reimage.

It is known that the latest version of BandarChor ransomware spreads via malvertising technique[1] which relies on infected ads placed on adult sites. However, spam email messages that inform about issues, such as refunds, taxes, purchases, etc., have also been noticed in the distribution of this malware.

Therefore, you need to be very careful with sites filled with adult content and avoid clicking ads that are displayed on them. Besides, do NOT open attachments to emails that you haven't been waiting for. Spam email attachment that is involved in the distribution of this ransomware can be infected with a Trojan horse that works as an executable of the malware and launches it right after being clicked.

It has been found that BandarChor ransomware can encode only files that are less than thirty megabytes. Once it finishes data encryption, it drops HOW TO DECRYPT.txt that is filled with the warning message dedicated to the victim:

Not your language? Use the Google Translator: https://translate.google.com/

Attention!

Your files are encrypted with AES 256 algorithm!

Decoding is not possible without our decoder and universal key!

To start the process of decoding the files, you need to contact us on the below contacts, with the
subject: “I am willing to pay for the decode my files,” attaching an example of an encrypted file

However, it has also been reported that this threat uses Exploit Kits to infiltrate the system unnoticed. They are placed on malicious websites and used to download ransomware to the system right after being clicked. If you think that you are infected, make sure you take care of BandarChor removal from your computer.

If you have already been attacked by this virus, we DO NOT recommend you to pay the ransom. Instead of granting secure data decryption, such actions will only support cyber crooks and prompt them to initiate further thefts. The best you can do is to get rid of BandarChor ransomware from your computer. For data decryption, our recommendation is to use backups or employ a file recovery programs.

Explaining how users can get infected with ransomware

This ransomware is not an exception to other file-encrypting viruses — can infiltrate the system via system vulnerabilities, Trojan horses, exploit kits or even deceptive ads. Although, the primary distribution source remains malicious spam emails sent online. 

Malware is spread via email attachments from various authorities, commonly visited websites administration, authoritative people, etc. The theme, of course, it also appealing. You may be informed about taxes, rates, obligations, recent purchases, and similar things.

Email opening will not infect your machine with this ransomware. However, clicking the attachment that is supposed to inform you about the issue or important details can lead you to the infiltration of this ransomware. Security vendors recognize it as Trojan:W32/BandarChor[2].

Do not delay BandarChor elimination

Most people believe that time doesn't matter during the ransomware attack. In fact, you should never delay BandarChor removal as it might open backdoors and infect your computer with more malicious programs. 

Likewise, get a professional software to remove BandarChor from your system. We recommend using Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes as they are effective and tested by LosVirus.es[3] team. 

The Internet is full of heated debate on how to restore data that BandarChor has encrypted. The best thing that you should do is to prevent the loss of your files in advance.

This can be done by doing file backups regularly. Is it difficult to copy sensitive data to alternative storage? Probably not. So, from now on, start using USB external hard drives, CDs, DVDs, Google Drive, Dropbox, Flickr and other solutions to protect your data.

However, there is a way how you can use alternative data recovery methods to get back your files. Read more at the end of this article.

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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.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
Press mentions on Reimage
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 BandarChor virus, follow these steps:

Remove BandarChor using Safe Mode with Networking

Deactivate the ransomware by booting your PC into Safe Mode with Networking.

  • 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 BandarChor

    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 BandarChor removal.

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

Remove BandarChor using System Restore

  • 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 BandarChor. 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 BandarChor removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove BandarChor 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 BandarChor, you can use several methods to restore them:

Recover your data encrypted by BandarChor with Data Recovery Pro

If your files were encrypted by BandarChor, you could use Data Recovery Pro. You need to install it and follow the setup wizard.

  • 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 BandarChor ransomware;
  • Restore them.

Restore essential files using Windows Previous Versions feature

If you know that System Restore function was enabled before infiltration of BandarChor virus, follow the steps to find previously saved copies.

  • 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”.

ShadowExplorer might save your data

First, check if the ransomware hasn't damaged Shadow Volume Copies. If not, you can easily use this professional tool to get back compromised files.

  • 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.

Unfortunately, BandarChor decryptor is still under-development.

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

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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References