How to remove PDF ransomware and decrypt .[decryptbots@cock.li].pdf files

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PDF ransomware encryption process

PDF is a new member of the well known family of ransomware viruses called Dharma. The aim of this software is to change the structure of your files (encrypt) in order to make you pay for restoring these files (decryption). As I’ve already mentioned, the reason to make such viruses is your money, that’s why it’s important to infect your device without noticing. Hackers usually use fake emails, to be more exact, attachments to achieve this aim. As you open such an attachment, your device is infected. Then PDF ransomware searches for suitable files, it is .doc, .xls, .wps, .docm, .docx, .jpg, .png and other types of documents and media files. When searching is done, the virus begins to encrypt these files. After it, these files are unreadable, as the extensions (structure) have been changed to .[decryptbots@cock.li].pdf. Don’t try to remove PDF ransomware encryption by the renaming of files, it can break them at all. When everything is done, the virus creates a special ransom note with the contacts and price for “services”:

All FILES ENCRYPTED “RSA1024”
All YOUR FILES HAVE BEEN ENCRYPTED!!! IF YOU WANT TO RESTORE THEM, WRITE US TO THE E-MAIL decryptbots@cock.li
IN THE LETTER WRITE YOUR ID, YOUR ID *ID NUMBER*
IF YOU ARE NOT ANSWERED, WRITE TO EMAIL: decryptbots@cock.li
YOUR SECRET KEY WILL BE STORED ON A SERVER 7 DAYS, AFTER 7 DAYS IT MAY BE OVERWRITTEN BY OTHER KEYS, DON’T PULL TIME, WAITING YOUR EMAIL
FREE DECRYPTION FOR PROOF
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.)
DECRYPTION PROCESS:
When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you:
1. Decryption program.
2. Detailed instruction for decryption.
3. And individual keys for decrypting your files.
!WARNING!
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.

Don’t trust them, as you don’t have any guarantee that they will honor their promises. It’s a usual thing, for a hacker to trick people. Moreover, the more money hackers get, the more viruses they make. So, my advice is to avoid paying ransoms and read our guide on how to remove PDF ransomware and decrypt [decryptbots@cock.li].pdf files!

Article’s Guide

  1. How to remove PDF Ransomware from your computer
  2. How to remove PDF Ransomware encryption from your files
  3. Data Recovery
  4. Automated decryption tools
  5. Windows Previous Versions

How to remove PDF Ransomware from your computer?

We strongly recommend you to use a powerful anti-malware program that has this threat in its database. It will mitigate the risks of the wrong installation, and will remove PDF from your computer with all of its leftovers and register files.

Solution for Windows users: our choice is Norton 360 . Norton 360 scans your computer and detects various threats like PDF, then removes it with all of the related malicious files, folders and registry keys.

Download Norton windows compatible

If you are Mac user, we advise you to use Combo Cleaner.

How to decrypt .[decryptbots@cock.li].pdf files?

Once you’ve removed the virus, you are probably thinking how to decrypt .PDF files. Let’s take a look at possible ways of decrypting your data.

Recover data with Data Recovery

Data Recovery

  1. Download and install Data Recovery
  2. Select drives and folders with your files, then click Scan.
  3. Choose all the files in a folder, then press on Restore button.
  4. Manage export location.

Download Stellar Data Recovery

The download is an evaluation version for recovering files. To unlock all features and tools, purchase is required ($49.99-299). By clicking the button you agree to EULA and Privacy Policy. Downloading will start automatically.

Restore data with automated decryption tools

Unfortunately, due to the novelty of PDF ransomware, there are no available automatic decryptors for this encryptor yet. Still, there is no need to invest in the malicious scheme by paying a ransom. You are able to recover files manually.
You can try to use one of these methods in order to restore your encrypted data manually.

Restore data with Windows Previous Versions

This feature is working on Windows Vista (not Home version), Windows 7 and later versions. Windows keeps copies of files and folders which you can use to restore data on your computer. In order to restore data from Windows Backup, take the following steps:

  1. Open My Computer and search for the folders you want to restore;
  2. Right-click on the folder and choose Restore previous versions option;
  3. The option will show you the list of all the previous copies of the folder;
  4. Select restore date and the option you need: Open, Copy and Restore.

Restore the system with System Restore

You can always try to use System Restore in order to roll back your system to its condition before infection infiltration. All the Windows versions include this option.

  1. Type restore in the Search tool;
  2. Click on the result;
  3. Choose restore point before the infection infiltration;
  4. Follow the on-screen instructions.
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