How to remove STOP Ransomware and decrypt .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA files

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What is STOP Ransomware

Note: This is a sequel article on STOP Ransomware, aiming to observe updates of initial variation. If your files are encrypted with .STOP, .SUSPENDED or .WAITING extensions, please, proceed to the first part of the removal guide.

Updated version of STOP Ransomware appends .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA suffixes to encrypted files. Virus still uses RSA-1024 encryption algorithm. All versions, except .STOPDATA, demand $600 ransom in BTC (BitCoin cryptocurrency), last one offers decryption for $200. Still malefactors offer to decrypt from 1 to 3 files for free to prove, that decryption is possible. This can be used to attempt decoding in future. At the moment, unfortunately, the only way to restore your files is from backups. If you have not created any, there is small possibility you can recover data using programs and instructions described below. Here is some information and ransom notes of new variation of STOP Ransomware.

New versions STOP Ransomware create following ransom note files respectively: !!RESTORE!!!.txt, !!!!RESTORE_FILES!!!.txt, !!!DATA_RESTORE!!!.txt, !!!RESTORE_DATA!!!.txt.

And new e-mails are used accordingly:

pausa@bitmessage.ch, pausa@india.com, decryption@bitmessage.ch, decryption@india.com, decryptiondata@bitmessage.ch, decryptiondata@india.com, datadecryption@bitmessage.ch, datadecryption@india.com

.PAUSA STOP Ransomware:

All your important files were encrypted on this PC.
All files with .PAUSA extension are encrypted.
Encryption was produced using unique private key RSA-1024 generated for this computer.
To decrypt your files, you need to obtain private key + decrypt software.
To retrieve the private key and decrypt software, you need to contact us by email pausa@bitmessage.ch send us an email your !!!RESTORE!!!.txt file and wait for further instructions.
For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE.
Price for decryption $600 if you contact us first 72 hours.
Your personal id:
22rZV3sUi30y8SUhF1xB1hWqtGsYyUBiFInxxxxx [40 chars]
E-mail address to contact us:
pausa@bitmessage.ch
Reserve e-mail address to contact us:
pausa@india.com
----------

.CONTACTUS STOP Ransomware:
All your important files were encrypted on this PC.
All files with .CONTACTUS extension are encrypted.
Encryption was produced using unique private key RSA-1024 generated for this computer.
To decrypt your files, you need to obtain private key + decrypt software.
To retrieve the private key and decrypt software, you need to CONTACTUS us by email decryption@bitmessage.ch send us an email your !!!RESTORE_FILES!!!.txt file and wait for further instructions.
For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE.
Price for decryption $600 if you contact us first 72 hours.
Your personal id:
223sUUrZi3SV1x0y8hsYyUFBqtI1hWnBiFGxxxxx [40 chars]
E-mail address to contact us:
decryption@bitmessage.ch
Reserve e-mail address to contact us:
decryption@india.com
----------

.DATASTOP Ransomware:

All your important files were encrypted on this PC.
All files with .DATASTOP extension are encrypted.
Encryption was produced using unique private key RSA-1024 generated for this computer.
To decrypt your files, you need to obtain private key + decrypt software.
To retrieve the private key and decrypt software, you need to contact us by email decryptiondata@bitmessage.ch send us an email your !!!DATA_RESTORE!!!.txt file and wait for further instructions.
For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE.
Your personal id:
***** [40 alphanum]
E-mail address to contact us:
decryptiondata@bitmessage.ch
Reserve e-mail address to contact us:
decryptiondata@india.com
----------

.STOPDATA Ransomware:

All your important files were encrypted on this PC.
All files with .STOPDATA extension are encrypted.
Encryption was produced using unique private key RSA-1024 generated for this computer.
To decrypt your files, you need to obtain private key + decrypt software.
To retrieve the private key and decrypt software, you need to contact us by email datadecryption@bitmessage.ch send us an email your !!!RESTORE_DATA!!!.txt file and wait for further instructions.
For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE.
Price for decryption $200 if you contact us first 72 hours.
Your personal id:
pSRcFGQdBDYBZfaO5DLNLgmF9mFF5Rh84GyYTcW5
E-mail address to contact us:
datadecryption@bitmessage.ch
Reserve e-mail address to contact us:
datadecryption@india.com
----------

You can try to ask for Dr. Web decryption service, or restore from backups. You can also keep your files until decryptor will be released. Use instructions in this article to remove STOP Ransomware and decrypt .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA files in Windows 10, Windows 8 or Windows 7.

How STOP Ransomware infected your PC

Can be distributed by hacking through an unprotected RDP configuration, using email spam and malicious attachments, fraudulent downloads, exploits, web injections, fake updates, repackaged and infected installers. STOP Ransomware targets MS Office documents, OpenOffice, PDF, text files, databases, photos, music, video, image files, archives and other types of sensitive data. 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:

!!RESTORE!!!.txt
!!!!RESTORE_FILES!!!.txt
!!!DATA_RESTORE!!!.txt
!!!RESTORE_DATA!!!.txt

STOP Ransomware registry keys:

no information

How to decrypt and restore .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA files

Use automated decryptors

kaspersky dharma ransomware decryptor

Use following tool from Kaspersky called Rakhni Decryptor, that can decrypt .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA 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 .PAUSA, .CONTACTUS, .DATASTOP or .STOPDATA 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 is 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 5/5 (2)

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