How to remove Btc (Oled) ransomware (Decrypt Files)

Simple steps to delete Btc (Oled) ransomware from PC

Btc (Oled) ransomware is a kind of destructive file encoding malware that belongs to ransomware family. It is a variant of Oled ransomware that encrypt victim’s files, changes its extensions and creates ransom note. Similar to other cyber threats of same category, it also locks down your crucial file and data stored inside your computer and makes them completely inaccessible or unusable.  After that, this dubious malware renames all encrypted filenames by adding victim’s ID, cyber criminals email address and by using “.btc” extensions. Following a successful data encryption, this virus drops a text file called “readme-warning.txt” in which instructions on how to contact cyber criminals is provided.

Text presented in ransom note:

!!! ALL YOUR FILES ARE ENCRYPTED !!!

 

All your files, documents, photos, databases and other important files are encrypted.

 

You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key.
Only we can give you this key and only we can recover your files.

 

1. DOWNLOAD TOR BROWSER FROM HERE  hxxps://www.torproject.org/download/  WINDOWS VERSION.
   2. INSTALL TOR BROWSER AND OPEN THIS LINK url 1: hxxp://kcxb2moqaw76xrhv.onion/contact/kjnsdj7873  OR
   url 2: hxxp://hc3zgfx4ai2wc6lu5jlmr2xdzeshd5ogis2mc7pnl42pz4x4pxbppqid.onion/contact/kjnsdj7873

 

3. YOU WILL GET A GENERATED GUEST ID. SAVE IT FOR BEING ABLE TO LOGIN LATER!!!
   THIS IS THE MESSAGE THAT SHOWS YOU YOUR GUEST ID:
   – Notice: You are sending a message as guest. Once you send the message you will be able to send and receive further messages by login in with your guest id:     

 

4. If you have not been answered within 6 hours, write to us by e-mail: [email protected]

 

If you apply and buy a decoder within 36 hours of infection, you pay 2 times less.

 

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.

What is Btc (Oled) ransomware?

The created ransom note states victims that all their files like audios, videos, databases, images and other important files has been encrypted by using strong encryption algorithm. In order to restore it, users are instructed to purchase decryption key from the cyber criminals who is behind this infection. Further, in order to get instructions on how to contact them victims are advised to open the provided link with a Tor browser and use the contact form which is provided under the opened website. Additionally, victims are suggested to use alternative email address [email protected] if they do not receive instructions within 6 hours. Apart from this, it is also mention that victims can purchase decryption key by contacting them within 36 hours after ransomware attack.

Moreover, victims are also warned not to rename encrypted files using third party tool/software otherwise it may lead permanent data damage. In short, victims are also informed that it becomes impossible to decrypt files without the key that can be purchased only from cyber criminals who designed Btc (Oled) ransomware. Regrettably, there are no tools available that could decrypt files encrypted by this nasty ransomware. This perilous computer infection can also steal your banking details that you will use to pay the ransom money. Thus, if your system gets infected by this harmful malware then don’t be panic you are highly advised to remove it immediately from the computer.

Shall I pay money to hackers?

You may know that contacting with the cyber criminals do not provide any unique results. There is every possibility to getting cheated because they don’t provide the right decryption tool once payment is submitted. Their main intention is only to trick people and cheat their money. And since is money is asked to pay in crypto-currency hence you will not be able to find out the person who is behind this ransomware attack. Rather you are helping them financially to make more such harmful and severe malware infection in future.

How to recover files encrypted by Btc (Oled) ransomware?

Since it is never recommended to pay money for decryption key, the only option you have to retrieve is to use backup files. The backup file would have been created prior to the malware attack and should be placed in some external storage device. However, in many cases, the backup files are not available then in such situation immediately check for the “Shadow Volume Copies” which is identified as temporary backup files created by OS has been available or deleted.

Note: before using any of the methods to recover files, it is very much important that all files and payloads associated with Btc (Oled) ransomware are removed from the system. Hence, first scan the PC with strong anti-malware removal tool in order to clean the device completely.

How Btc (Oled) ransomware infect system?

Ransomware viruses get distributed into your PC using various deceptive techniques. Some of them are bundles of free software programs, spam emails, suspicious websites, harmful links, porn or torrent files, pirated software and other methods. Among this, the most common methods are spam emails. This dubious email is send by hackers to the lots of user that contain malicious files or attachments in order to trick people. In case, if users open such types of files, it downloads and installs malware. So, you are advised not to open such types of file without deeply scanning with reputable antivirus software.

Precautionary measures to avoid malware attack:

• Don’t open any attachment that look suspicious and especially if they are sent by some unknown users. The spam email usually contains so many spelling mistakes in their content so you must be very careful.
• Be careful while downloading any application. Always choose or advance installation method and uncheck all additional preselected files and programs.
• Avoid clicking on random links and pop-ups.
• Update the security firewall setting and use powerful anti-malware removal tool to get protection from malware.
• Avoid visiting doubtful websites related to porn, gambling, online dating and so on.

Threat summary

Name: Btc (Oled) ransomware

Threat Type: Ransomware, Crypto Virus, Files locker

Encrypted Files Extension: .btc (ransomware also appends filenames with victim’s unique ID and developers’ email address)

Ransom Demanding Message: readme-warning.txt and Tor website

Cyber Criminal Contact: [email protected] and contact form in a Tor website

Symptoms: files encrypted with .btc file extension added to them. Dropped ransom note named readme-warning.txt

Distribution methods: Infected email attachments (macros), torrent websites, malicious ads.

Damage: All files are encrypted and cannot be opened without paying a ransom. Additional password-stealing Trojans and malware infections can be installed together with a ransomware infection.

Removal: In order to remove Btc (Oled) ransomware, we recommend our users to use some reliable anti-malware removal tool.

Antimalware Details And User Guide

Click Here For Windows

Click Here For Mac

Step 1: Remove Btc (Oled) ransomware through “Safe Mode with Networking”

Step 2: Delete Btc (Oled) ransomware using “System Restore”

Step 1: Remove Btc (Oled) 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 Btc (Oled) ransomware using “System Restore”

Log-in to the account infected with Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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 Btc (Oled) 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.