Gusau Virus Ransomware (.gusau File) - Remove It and Decrypt Files

Gusau Virus File (STOP Ransomware) – Remove It and Decrypt Files

What are .gusau virus files? What is Gusau ransomware? How to remove the Gusau ransomware and potentially restore .gusau files.

Gusau virus is a vicious cryptovirus that is based on the code of STOP ransomware. The .gusau ransomware’s main goal is to encrypt important files on your computer and then blackmail you into paying ransom to get the decryption key that is supposed to be able to make encrypted files work again. Gusau virus uses the Advanced Encryption Standard encryption algorithm with the main idea to render encrypted files completely inaccessible. If you want to remove the .gusau virus files, we strongly suggest that you read this article.

Threat Summary

NameGusau Virus
TypeRansomware, Cryptovirus
Short DescriptionA variant of STOP Ransomware. Aims to encrypt the files on your computer and then extort you into paying high ransom in BTC or other cryptocurrency to get the files to work again.
SymptomsFiles cannot be opened and have the .gusau file extension. A ransom note, called _readme.txt might appear, carrying the extortionist message.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by Gusau Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Gusau 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.

.gusau Files Virus – Update July 2019

The good news for all victims of STOP .gusau ransomware is that the security researcher Michael Gillespie cracked 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 .gusau 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 .gusau ransomware infections.

.gusau Virus – How Did I Get It and What Does It Do?

The .gusau variant of STOP Ransomware could infect your computer as a result of being spread via multiple different types of methods. One of them could be to have the virus file sent to victims in the form of a virus e-mail, whose primary purpose is to get victims to be misled into opening an attachment that looks like a real document.

Once your computer has been infected by the .gusau virus, then it may drop it’s virus files in the following directories:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

Among the dropped files of the virus is the ransom note file, containing the extortionist instructions of this virus.

The ransom note _readme.txt contents:

Don’t worry, 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” or “Junk” 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:
Our Telegram account:
Your personal ID:

The .gusau virus may scan for and encrypt files of the following types:

  • Documents.
  • Videos.
  • Images.
  • Audio files.
  • Archives.

After encryption, the files become unable to be opened with the following file extension added to them:

Remove .gusau Ransomware from Your Computer

In order to remove the .gusau ransomware from your computer system, we strongly recommend that you read the instructions underneath this article. They have been created with the main idea to help you delete this ransomware either manually or automatically. Be advised that for maximum effectiveness, we do recommend that you download and run a scan of your computer by using an advanced malware removal software. Such program can effectively help you delete all virus files, that are related to this ransomware quickly and efficiently.

If you want to try and restore files, encrypted by the .gusau virus, we strongly advise that you follow the alternative file recovery steps underneath.


Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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1 Comment

  1. AvatarElvis

    I need a tool to repair my damaged files with gusau ransomware virus, I hope your help.


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