What is STOP Ransomware
Note: Files with extensions .grovat and .grovas can be decrypted using STOPDecrypter (download below in the article). Files with .browec, .etols, .guvara extensions are “work in progress”.
STOP Ransomware (DJVU Ransomware) is high-risk widespread encryption virus, that first appeared near 1 year ago. It experienced several visual and technical changes throughout the time. In this tutorial we will analyse recent versions of this dangerous malware. In April of 2019, STOP Ransomware started to add following extensions to encrypted files: .browec, .guvara, .etols, .grovat or .grovas. They are sometimes called “Browec Ransomware”, “Guvara Ransomware”, “Etols Ransomware”, “Grovas Ransomware” and “Grovat Ransomware” respectively. Virus also modifies the hosts file to block Windows updates, antivirus programs, and sites related to security news or offering security solutions. The process of infection also looks like installing of Windows updates, malware shows fake window, that imitates update process. New subtype of STOP Ransomware uses same e-mail addresses, as few previous generations: firstname.lastname@example.org and email@example.com. STOP Ransomware creates _readme.txt ransom note file. Here is how it looks like:
Don't worry my friend, you can return all your files!
All your files like photos, databases, documents 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 you have?
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 get and look video overview decrypt tool:
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that's price for you is $490.
Please note that you'll never restore your data without payment.
Check your e-mail "Spam" folder if you don't get answer more than 6 hours.
To get this software you need write on our e-mail:
Reserve e-mail address to contact us:
Your personal ID:
The decryption of files encrypted by STOP Ransomware now costs $980 (or $490, as “discount” offered, if ransom is paid within 72 hours). Hackers supposedly send decryptor, that will return data to the initial state. However, according to our experience, malefactors don’t keep promises, and often don’t send the decoder. We recommend you to remove active infection of STOP Ransomware, with help of special removal utility, and then use decryption tools available. STOPDecrypter is able to decrypt .grovat and .grovas files for free automatically. You can also try manual instructions in this article to attempt restoring files. Usage of file-recovery software can also help users recover some copies of files, that were removed earlier. Read the article below to remove STOP Ransomware and decrypt .browec, .guvara, .etols, .grovat or .grovas files in Windows 10, Windows 8 and Windows 7.
How STOP Ransomware infected your PC
STOP Ransomware virus is propagated via spam attack with malicious e-mail attachments and using 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 Norton Antivirus and BitDefender Anti-Ransomware.
Download STOP Ransomware 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:
STOP Ransomware registry keys:
How to decrypt and restore .browec, .guvara, .etols, .grovat or .grovas files
Use automated decryptors
Download STOPDecrypter (.grovat and .grovas variations)
STOPDecrypter is able to decrypt files .grovat and .grovas encrypted with STOP Ransomware. This tool was developed by Michael Gillespie. It requires encrypted and original file pair with the size more ~150 Kb and works only for those encrypted with offline keys. Download it here:
If you are infected with STOP Ransomware and removed it from your computer, you can try decrypting 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 .browec, .guvara, .etols, .grovat or .grovas files
- Download Stellar Phoenix Data Recovery Pro.
- Select location to scan for lost files and click Scan button.
- Wait until Quick and Deep scans finish.
- Preview found files and restore them.
Using Windows Previous Versions option:
- Right-click on infected file and choose Properties.
- Select Previous Versions tab.
- Choose particular version of the file and click Copy.
- To restore the selected file and replace the existing one, click on the Restore button.
- In case there is no items in the list choose alternative method.
Using Shadow Explorer:
- Download Shadow Explorer program.
- Run it and you will see screen listing of all the drives and the dates that shadow copy was created.
- Select the drive and date that you want to restore from.
- Right-click on a folder name and select Export.
- In case there are no other dates in the list, choose alternative method.
If you are using Dropbox:
- Login to the DropBox website and go to the folder that contains encrypted files.
- Right-click on the encrypted file and select Previous Versions.
- 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
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.
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.