How to remove Obfuscated (BigBobRoss) Ransomware and decrypt .obfuscated, .cheetah, .encryptedALL or .djvu files

What is Obfuscated Ransomware

Obfuscated Ransomware (BigBobRoss Ransomware) is dangerous encryption virus, that uses AES-128 encryption algorithm to cipher user’s files. After successful encryption it appends .obfuscated, .cheetah, .encryptedALL or .djvu extensions (latest versions also add prefix [id={8-digit-code}]). Obfuscated Ransomware creates ransom note called Read me.txt (or How to recover your files.txt for .cheetah version), and puts it on the desktop and in the folders with encoded data. It also modifies desktop wallpaper, placing text on white background. Here is the content:

Malefactors allow to decrypt 1 file under 1 Mb of size for free, as a proof of operability. Obfuscated Ransomware attacks significant files, such as photos, videos, documents, databases, etc. Virus focuses on English-speaking users, which does not prevent spread throughout the world. The first victims are from Moldova. It is currently unknown, how much they want for decryption. Of course, we do not recommend to pay the ransom, as there are many cases when hackers don’t send master keys or decryptors. There is still a chance decryption tool will be released by antivirus companies or security enthusiasts. You can also follow instructions below to attempt restoring files using typical methods and recovery software. Read the guide on this page to remove Obfuscated Ransomware and decrypt .obfuscated, .cheetah, .encryptedALL or .djvu files in Windows 10, Windows 8 and Windows 7.

How Obfuscated Ransomware infected your PC

Obfuscated Ransomware virus is propagated via spam attack with malicious e-mail attachments and by manual PC hacking. Can be distributed by hacking through an unprotected RDP configuration, fraudulent downloads, exploits, web injections, fake updates, repackaged and infected installers. Virus assigns certain ID with the victims, that is used to name those files and supposedly to send decryption key. In order to prevent infection with this type of threats in future we recommend you to use SpyHunter 5 or Norton Antivirus.

Download Obfuscated Ransomware Removal Tool

To remove Obfuscated Ransomware completely, we recommend you to use Norton Antivirus from Symantec. It detects and removes all files, folders and registry keys of Obfuscated Ransomware.

How to remove Obfuscated Ransomware manually

It is not recommended to remove Obfuscated Ransomware manually, for safer solution use Removal Tools instead.

Obfuscated Ransomware files:


Read Me.txt
test.exe
bedoneupx.exe


Obfuscated Ransomware registry keys:

no information

How to decrypt and restore .obfuscated, .cheetah, .encryptedALL or .djvu files

Use automated decryptors

Decryption Tool from EmsiSoft

Use following tool from EmsiSoft called EmsiSoft Decrypter for BigBobRoss, that can decrypt .obfuscated files. Download it here:

Decryption Tool from Avast

Use following tool from Avast called Avast Decryption Tool for BigBobRoss, that can decrypt .obfuscated files. Download it here:

There is no purpose to pay the ransom, because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

If you are infected with Obfuscated Ransomware and removed it from your computer you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually you can do the following:

Use Stellar Phoenix Data Recovery Pro to restore .obfuscated, .cheetah, .encryptedALL or .djvu files

1. Download Stellar Phoenix Data Recovery Pro.
2. Select location to scan for lost files and click Scan button.
3. Wait until Quick and Deep scans finish.
4. Preview found files and restore them.

Using Windows Previous Versions option:

1. Right-click on infected file and choose Properties.
2. Select Previous Versions tab.
3. Choose particular version of the file and click Copy.
4. To restore the selected file and replace the existing one, click on the Restore button.
5. In case there is no items in the list choose alternative method.

Using Shadow Explorer:

1. Download Shadow Explorer program.
2. Run it and you will see screen listing of all the drives and the dates that shadow copy was created.
3. Select the drive and date that you want to restore from.
4. Right-click on a folder name and select Export.
5. In case there are no other dates in the list, choose alternative method.

If you are using Dropbox:

1. Login to the DropBox website and go to the folder that contains encrypted files.
2. Right-click on the encrypted file and select Previous Versions.
3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses like Obfuscated Ransomware in future

1. Get special anti-ransomware software

Use ZoneAlarm Anti-Ransomware

ZoneAlarm Anti-Ransomware Dashboard

ZoneAlarm Anti-Ransomware Alert

ZoneAlarm Anti-Ransomware Blocked

Famous antivirus brand ZoneAlarm by Check Point released a comprehensive tool, that will help you with active anti-ransomware protection, as an additional shield to your current protection. The tool provides Zero-Day protection against ransomware and allows you to recover files. ZoneAlarm Anti-Ransomware is compatible with all other antiviruses, firewalls, and security software except ZoneAlarm Extreme (already shipped with ZoneAlarm Anti-Ransomware) or Check Point Endpoint products. The killer features of this application are: automatic file recovery, overwrite protection that instantly and automatically recovers any encrypted files, file protection that detects and blocks even unknown encryptors.

2. Back up your files

Regardless of success of protection against ransomware threats, you can save your files using simple online backup. Cloud services are quite fast and cheap nowadays. There is more sense using online backup, than creating physical drives, that can get infected and encrypted when connected to PC or get damaged from dropping or hitting. Windows 10 and 8/8.1 users can find pre-installed OneDrive backup solution from Microsoft. It is actually one of the best backup services on the market, and has reasonable pricing plans. Users of earlier versions can get acquainted with it here. Make sure to backup and sync most important files and folders in OneDrive.

3. Do not open spam e-mails and protect your mailbox

Malicious attachments to spam or phishing e-mails is most popular method of ransomware distribution. Using spam filters and creating anti-spam rules is good practice. One of the world leaders in anti-spam protection is MailWasher Pro. It works with various desktop applications, and provides very high level of anti-spam protection.