Remove .berost Files Virus (STOP) – Decrypt Files

Remove .berost Files Virus (STOP) – Decrypt Files

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What is .berost Files Virus? How to remove it from infected PC? Can files encrypted by .berost ransomware be recovered?

When the extension .berost appears in the names of all your valuable files and you cannot open them, it means that your PC has been infected by STOP ransomware. This nasty threat is known to use sophisticated cipher algorithms to encode personal files so it can then extort a ransom fee from you. Since the presence of .berost ransomware on your computer makes the operating system extremely vulnerable to further malware intrusions, we recommend you to consider the removal of all malicious files and objects as soon as possible.

Keep up with our removal guide that will also help you to find alternative methods for the potential recovery of .berost files.

Threat Summary

Name.berost Files Virus
TypeRansomware, Cryptovirus
Short DescriptionEncrypts files on your computer and extorts a ransom fee for their recovery.
SymptomsImportant files are locked and renamed with .berost extension. You see a ransom message that forces you to contact hackers for a decryption tool.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by .berost Files Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .berost Files Virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.berost Files Virus – Update

The good news for all victims of STOP .berost ransomware is that the security researcher Michael Gillespie has found a flaw in the code of this variant and released an updated version of his STOP ransomware decrypter.

So the moment you remove all malicious files and objects from your infected system you can enter our data recovery guide where you will find a download link for the free .berost decryption tool and learn how to proceed with the decryption process.

Decrypt Files Encrypted by STOP Ransomware

Have in mind that the tool is designed to support specific offline IDs, so it may not be effective for all occasions of .berost ransomware infections.

.berost Files Virus – How Does It Infect and What Does It Do?

The .berost files virus is yet another strain of

STOP ransomware that corrupts computer systems in order to reach personal files and encode them with the help of highly sophisticated cipher algorithms. At the end of the attack it drops a ransom note that aims to blackmail victims into paying a ransom fee to hackers.

Currently, this STOP .berost ransomware is lurking around the web in active attack campaigns. The distribution campaigns are usually realized via common spread techniques like malspam, malvertising, freeware bundles, and other. Malspam or spam emails that are trying to deliver malicious code on computer machines is the technique that is considered to be preferred by hackers.

There are several traits that could help you to recognize emails that belong to malspam. Trait number one: these emails present spoofed email sender and email address. Oftentimes, they pose as representatives of well-known businesses so that you are more prone to carelessly interact with the malicious content. Trait number two: link to corrupted web page being it in the form of button, in-text link or image. Trait number three: the most common one – file attachment that contains malicious code. What we can advise you is to check the security level of the above-mentioned elements whenever you notice them in a received email. One of the most reliable ways to do this is by uploading them for security check on the VirusTotal website.

What happens once .berost files virus is started on your device? It initiates a long sequence of malicious operations all of which aim to disrupt system security and enable it to reach the main infection stage – data encryption.

For the data encryption process, .berost ransomware activates a specific cipher module that scans all system drives for target files and encodes every file that matches certain predefined search parameters. Unfortunately, it is likely that all common files that are listed below are among the targets of this nasty ransomware:

  • Audio files
  • Video files
  • Document files
  • Image files
  • Backup files
  • Banking credentials, etc

Following encryption, the names of all corrupted files are marked with the extension .berost. Due to the fact, that .berost STOP ransomware applies two sophisticated cipher algorithms to transform the code of target files, they remain inaccessible. As a result, you are forced to pay a ransom fee in cryptocurrency to cyber criminals. This happens via a ransom note message.

According to the details presented in the ransom message, when you pay the ransom you will receive a decryption tool for .berost files. However, since there is no guarantee that this tool is functioning, we recommend you to avoid any negotiations with cyber criminals and attempt to deal with the problem in a secure way.

Remove .berost Files Virus and Attempt to Restore Data

The so-called .berost files virus is a threat with highly complex code that corrupts both system settings and valuable data. So the only way to use your infected system in a secure manner again is to remove all malicious files and objects created by the ransomware. For the purpose, you could use our removal guide that reveals how to clean and secure your system step by step. In addition, in the guide, you will find several alternative data recovery approaches that may be helpful in attempting to restore files encrypted by STOP .berost ransomware. We remind you to back up all encrypted files to an external drive before the recovery process.

Gergana Ivanova

Gergana Ivanova

Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.

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1 Comment

  1. Avatarlog

    aha..wait 48 hour for trial!


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