How to remove STOP Ransomware and decrypt .pdff, .tro or .tfude files

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What is STOP Ransomware

This article contains information about version of STOP Ransomware that adds .pdff, .tro or .tfude extensions to encrypted files, and creates _openme.txt ransom note file on the desktop and in the folders with affected files. This variation first appeared in January, 2019 and almost identical to previous .puma Ransomware and .djvu Ransomware. Here is formulaic message in ransom note:

----------------- ALL YOUR FILES ARE ENCRYPTED ---------------------

Don't worry, you can return all your files!
All your files documents, photos, databases and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees do we give to you?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can download video overview decrypt tool:
hxxps://www.sendspace.com/file/1sg7f3
Don't try to use third-party decrypt tools because it will destroy your files.
Discount 50% available if you contact us first 72 hours.

-----------------------------------------------------------------

To get this software you need write on our e-mail:
pdfhelp@india.com

Reserve e-mail address to contact us:
pdfhelp@firemail.cc

Your personal ID:
{random-44-character-alphanumeric-id}

Ransomware virus still uses AES encryption algorithm and still demands ransom in BitCoins for decryption. Pdff variation of STOP Ransomware displays fake Windows Update pop-up during the process of file encryption. All three varieties belong to one author, because they are using the same e-mail addresses for communication: pdfhelp@india.com and pdfhelp@firemail.cc. From the file above we can learn, that hackers offer 50% discount for decryption, if ransom amount is paid within 72 hours. However, from our experience, this is just a trick to encourage person to pay the ransom. Often malefactors don’t send decryptor after this. We recommend, that you remove active infection of STOP Ransomware and preserve your files until decryption tool appears. Until that time, you can try manual instructions on this page to attempt restoring encrypted files. Recovery software can also help return some of the copies of the files, probably, removed earlier. Perform easy steps below to remove STOP Ransomware and decrypt .pdff, .tro or .tfude files in Windows 10, Windows 8 and Windows 7.

stop (.pdff) ransomware

How STOP Ransomware infected your PC

STOP 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 WiperSoft AntiSpyware and BitDefender Anti-Ransomware.

Download STOP Ransomware Removal Tool

Download Removal Tool

To remove STOP Ransomware completely, we recommend you to use WiperSoft AntiSpyware from WiperSoft. It detects and removes all files, folders and registry keys of STOP Ransomware.

How to remove STOP Ransomware manually

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

STOP Ransomware files:


no information

STOP Ransomware registry keys:

no information

How to decrypt and restore .pdff, .tro or .tfude files

Use automated decryptors

kaspersky dharma ransomware decryptor

Use following tool from Kaspersky called Rakhni Decryptor, that can decrypt .pdff, .tro or .tfude files. Download it here:

Download Kaspersky RakhniDecryptor

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 STOP 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 .pdff, .tro or .tfude 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 STOP Ransomware in future

1. Get special anti-ransomware software

Use BitDefender Anti-Ransomware

bitdefender anti-ransomware

Famous antivirus vendor BitDefender released free tool, that will help you with active anti-ransomware protection, as additional shield to your current protection. It will not conflict with bigger security applications. If you are searching complete internet security solution consider upgrading to full version of BitDefender Internet Security 2018.

Download BitDefender Anti-Ransomware

2. Back up your files

onedrive backup

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

spamfighter

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 SpamFighter. It works with various desktop applications, and provides very high level of anti-spam protection.

Download SPAMFighter 4.33/5 (6)

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