Gorgon Ransomware

Also Known As: Gorgon virus
Distribution: Low
Damage level: Severe

Gorgon ransomware removal instructions

What is Gorgon?

Gorgon ransomware was discovered by Jakub Kroustek. Its developers (cyber criminals) use it to encrypt data and blackmail victims by encouraging them to buy a decryption tool. Like most ransomware-type programs, it renames each encrypted file by adding a new extension, in this case ".[buy-decryptor@pm.me]". For example, "1.jpg" becomes ".1jpg.[buy-decryptor@pm.me]". It also changes the desktop wallpaper, displays a pop-up window with text available in English, Korean, or Chinese, and places three HTML files on the desktop (English - "#DECRYPT MY FILES#.HTML", Chinese - "#解密我的文件#.HTML", Korean - "#내 파일 복구하기#.HTML"). Updated variants of this ransomware use ".[china-decryptor@pm.me]" extension for encrypted files.

Gorgon ransomware is designed to play an audio message stating: "Your documents, images, databases and other important files have been encrypted". Each pop-up and HTML file (regardless of the language) contains the same ransom message. It states that all files were encrypted, and to decrypt them, users are requited to buy a specific tool (Gorgon Decryptor). According to these cyber criminals, this is the only tool capable of decrypting Gorgon's encryption. They warn victims not to use any other tools or try to reinstall the operating system, because this will supposedly result in permanent data loss. Before making any payments, they offer a "test decryption" - i.e. they will decrypt three files free of charge as 'proof' that they possess a tool capable of decryption. In fact, to decrypt the remaining files, victims are required to pay 0.3 of Bitcoin by transferring the sum to a Bitcoin wallet, which is provided once contact is made via the buy-decryptor@pm.me email address. They promise to send the aforementioned decryption tool once their ransom demands are met. Claims that only they are capable of decryption and providing the correct tool are probably accurate. Cyber criminals often use cryptography algorithms (symmetric or asymmetric) designed to generate unique decryption keys. The encryptions are usually impossible to 'crack' unless their specific tool is provided. Currently, there are no other tools capable of decrypting Gorgon encryption. Despite these threats, do not contact these people (or any ransomware developers). They generally ignore victims after they receive ransom payments in the required cryptocurrency. In this way, innocent people are scammed. If you have a data backup created prior to computer infection with this ransomware, the best option is to restore everything from there.

Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data:

Gorgon decrypt instructions

There are many other ransomware-type programs online. Just some examples include .happy, .vaca, and Healforyou. Typically, these malicious programs encrypt data and display ransom demand messages. The main differences are usually cost of the decryption tool and cryptography algorithm used to encrypt data. Unfortunately, most ransomware developers design these programs to be 'uncrackable', thus enabling them to blackmail victims and leaving them no other option than to make contact. Therefore, generate regular backups and store them on remote servers or unplugged storage devices.

How did ransomware infect my computer?

It is unclear exactly how Gorgon's developers proliferate this ransomware, however, most cyber criminals use spam campaigns, untrustworthy third party software download sources, fake software updaters, software cracking tools, and Trojans. Spam campaigns are used to proliferate computer infections by sending emails that contain malicious attachments (or links). They usually present Microsoft Office documents, archive files (such as ZIP, RAR), PDF files, executable files and hope that some recipients will open them. Once opened, these attachments (or links) download and install malicious programs. Untrustworthy software download sources such as peer-to-peer networks (torrent clients, eMule, etc.), free file hosting, freeware download websites, and other similar channels/tools are also used by cyber criminals to trick people into downloading and installing malware. They achieve this by presenting malicious executables (.exe) or other files as legitimate. In some cases, they use fake software updaters. These tools are used to download and install malicious programs rather than the promised updates, or to exploit outdated software bugs/flaws. Software cracking tools have similar behavior. People use them to bypass activation of paid software, however, they might be malicious and infect computers with ransomware (or other infections) rather than activating software or operating systems. Trojans are malicious programs that cause chain infections - if installed, they proliferate other infections.

Threat Summary:
Name Gorgon virus
Threat Type Ransomware, Crypto Virus, Files locker
Symptoms Can't open files stored on your computer, previously functional files now have a different extension, for example my.docx.locked. A ransom demanding message is displayed on your desktop. Cyber criminals are asking to pay a ransom (usually in bitcoins) to unlock your files.
Distribution methods Infected email attachments (macros), torrent websites, malicious ads.
Damage All files are encrypted and cannot be opened without paying a ransom. Additional password stealing trojans and malware infections can be installed together with a ransomware infection.
Malware Removal (Windows)

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How to protect yourself from ransomware infections?

To prevent computer infections by ransomware, browse the web, install, download and update software carefully. Do not open attachments (or website links) presented in emails received from unknown, untrustworthy or suspicious addresses. These emails are usually irrelevant and (this is how they can be identified). When updating software, use implemented functions or tools provided by official developers only. Do not use third party tools. Do not download software from untrustworthy or unofficial websites or using third party downloaders - they might contain rogue applications that could lead to high-risk computer infections. Using software cracking tools is a cyber crime and they should not be used. Furthermore, they often cause computer infections rather than the expected outcome. Have reputable anti-spyware or anti-virus software installed - this can prevent computer infections. If your computer is already infected with Gorgon, we recommend running a scan with Malwarebytes for Windows to automatically eliminate this ransomware.

Text presented in Gorgon ransomware pop-up window and HTML files (English, Chinese, Korean):



All your important files are encrypyted!

#What happened?
All your important files(database,documents,images,videos,music,etc.)have been encrypted!and only we can decrypt!
To decrypt your files,you need to buy Gorgon Decryptor from us,we are the only one who can decrypt the file for you

Trying to reinstall the system and decrypting the file with a third-party tool will result in file corruption,which means no one can decrypt your file(including us)!
If you still try to decrypt the file yourself,you do so at your own risk!

#Test decryption!
As a proof,you can email us 3 files to decrypt,and we will send you the decrypted files to prove that we can decrypt your files

#How to decrypt?
1.Buy 0.3 Bitcoin at https://localbitcoins.com
2.Contact us by email to get a payment address
3.Send 0.3 Bitcoin to our payment address
4.After payment,we will send you Gorgon Decryptor





要解密您的文件,您需要从我们这里购买 Gorgon Decryptor,我们是唯一能够为您解密文件的人



1.在 https://localbitcoins.com/zh-cn 购买 0.3 比特币
3.将 0.3 比特币发送到我们的付款地址
4.付款后,我们会向您发送 Gorgon Decryptor





#내 파일에 무슨 일이 일어난거죠?
당신의 모든 중요한 파일들(데이터베이스,사진,문서,영상,음악 등)이 모두 암호화되었습니다!그 암호화는 오직 저희만 풀 수 있죠!
당신의 파일들을 복구하기 위해서는,당신은 Gorgon Decryptor 를 저희에게 구매하셔야 합니다!앞서 말씀드린대로,오직 저희만이 당신의 암호화된 파일들을 복구할 수 있습니다


Windows를 재설치한다거나,제 3 자(사설 복구 업체)의 프로그램을 통해 복구하려는 시도를 하는 경우 파일 손상을 일으켜 영영 복구할 수 없게 됩니다
이 말은 오직 저희에게 복구 프로그램을 사는 것만이 유일한 복구 방법임을 뜻하죠
만일 당신이 스스로 파일을 복구하려 한다면,그에 대한 대가는 엄청날 것입니다


저희의 복구툴이 정상적으로 작동한다는 것을 증명해보이겠습니다,당신이 복구를 원하는 파일 3 개를 저희의 이메일로 보내주신다면,복구툴을 이용하여 복구가 가능하다는 증거로 복구된 파일 3 개를 보내드리겠습니다


#어떻게 복구툴을 구매할 수가 있죠?
1.먼저 Bithumb.com 이나 Coinone.co.kr 등 가상화폐 거래소에서 0.3 Bitcoin 을 구매하세요
2.그 다음 저희 이메일로 비트코인 주소를 요청하세요
3.회신된 비트코인 주소로 앞서 구매한 0.3 Bitcoin 를 송금하세요
4.지불이 완료된다면, 저희가 확인 후 Gorgon Decryptor 를 보내드리겠습니다

Screenshots of pop-up windows displayed by Gorgon (Chinese and Korean):

gorgonransomware-chinese popup gorgonransomware-korean popup

Screenshots of HTML files generated by Gorgon (English, Chinese, and Korean):

gorgonransomware-english html gorgonransomware-chinese html gorgonransomware-korean html

Screenshot of Gorgon desktop wallpaper:

Gorgon wallpaper

Screenshot of files encrypted by Gorgon ransomware (".[buy-decryptor@pm.me]" extension):

Files encrypted by Gorgon ransomware

Gorgon ransomware removal:

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Malwarebytes is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:

Isolating the infected device:

Some ransomware-type infections are designed to encrypt files within external storage devices, infect them, and even spread throughout the entire local network. For this reason, it is very important to isolate the infected device (computer) as soon as possible.

Step 1: Disconnect from the internet.

The easiest way to disconnect a computer from the internet is to unplug the Ethernet cable from the motherboard, however, some devices are connected via a wireless network and for some users (especially those who are not particularly tech-savvy), disconnecting cables may seem troublesome. Therefore, you can also disconnect the system manually via Control Panel:

Navigate to the "Control Panel", click the search bar in the upper-right corner of the screen, enter "Network and Sharing Center" and select search result: Disconnecting computer from the Internet (step 1)

Click the "Change adapter settings" option in the upper-left corner of the window: Disconnecting computer from the Internet (step 2)

Right-click on each connection point and select "Disable". Once disabled, the system will no longer be connected to the internet. To re-enable the connection points, simply right-click again and select "Enable". Disconnecting computer from the Internet (step 3)

Step 2: Unplug all storage devices.

As mentioned above, ransomware might encrypt data and infiltrate all storage devices that are connected to the computer. For this reason, all external storage devices (flash drives, portable hard drives, etc.) should be disconnected immediately, however, we strongly advise you to eject each device before disconnecting to prevent data corruption:

Navigate to "My Computer", right-click on each connected device and select "Eject": Ejecting external storage devices

Step 3: Log-out of cloud storage accounts.

Some ransomware-type might be able to hijack software that handles data stored within "the Cloud". Therefore, the data could be corrupted/encrypted. For this reason, you should log-out of all cloud storage accounts within browsers and other related software. You should also consider temporarily uninstalling the cloud-management software until the infection is completely removed.

Identify the ransomware infection:

To properly handle an infection, one must first identify it. Some ransomware infections use ransom-demand messages as an introduction (see the WALDO ransomware text file below).

Identify ransomware-type infection (step 1)

This, however, is rare. In most cases, ransomware infections deliver more direct messages simply stating that data is encrypted and that victims must pay some sort of ransom. Note that ransomware-type infections typically generate messages with different file names (for example, "_readme.txt", "READ-ME.txt", "DECRYPTION_INSTRUCTIONS.txt", "DECRYPT_FILES.html", etc.). Therefore, using the name of a ransom message may seem like a good way to identify the infection. The problem is that most of these names are generic and some infections use the same names, even though the delivered messages are different and the infections themselves are unrelated. Therefore, using the message filename alone can be ineffective and even lead to permanent data loss (for example, by attempting to decrypt data using tools designed for different ransomware infections, users are likely to end up permanently damaging files and decryption will no longer be possible even with the correct tool).

Another way to identify a ransomware infection is to check the file extension, which is appended to each encrypted file. Ransomware infections are often named by the extensions they append (see files encrypted by Qewe ransomware below).

Identify ransomware-type infection (step 2)

This method is only effective, however, when the appended extension is unique - many ransomware infections append a generic extension (for example, ".encrypted", ".enc", ".crypted", ".locked", etc.). In these cases, identifying ransomware by its appended extension becomes impossible.

One of the easiest and quickest ways to identify a ransomware infection is to use the ID Ransomware website. This service supports most existing ransomware infections. Victims simply upload a ransom message and/or one encrypted file (we advise you to upload both if possible).

Identify ransomware-type infection (step 3)

The ransomware will be identified within seconds and you will be provided with various details, such as the name of the malware family to which the infection belongs, whether it is decryptable, and so on.

Example 1 (Qewe [Stop/Djvu] ransomware):

Identify ransomware-type infection (step 4)

Example 2 (.iso [Phobos] ransomware):

Identify ransomware-type infection (step 5)

If your data happens to be encrypted by a ransomware that is not supported by ID Ransomware, you can always try searching the internet by using certain keywords (for example, ransom message title, file extension, provided contact emails, cryptowallet addresses, etc.).

Search for ransomware decryption tools:

Encryption algorithms used by most ransomware-type infections are extremely sophisticated and, if the encryption is performed properly, only the developer is capable of restoring data. This is because decryption requires a specific key, which is generated during the encryption. Restoring data without the key is impossible. In most cases, cyber criminals store keys on a remote server, rather than using the infected machine as a host. Dharma (CrySis), Phobos, and other families of high-end ransomware infections are virtually flawless, and thus restoring data encrypted without the developers' involvement is simply impossible. Despite this, there are dozens of ransomware-type infections that are poorly developed and contain a number of flaws (for example, the use of identical encryption/decryption keys for each victim, keys stored locally, etc.). Therefore, always check for available decryption tools for any ransomware that infiltrates your computer.

Finding the correct decryption tool on the internet can be very frustrating. For this reason, we recommend that you use the No More Ransom Project and this is where identifying the ransomware infection is useful. The No More Ransom Project website contains a "Decryption Tools" section with a search bar. Enter the name of the identified ransomware, and all available decryptors (if there are any) will be listed.

Searching for ransomware decryption tools in nomoreransom.org website

Restore files with data recovery tools:

Depending on the situation (quality of ransomware infection, type of encryption algorithm used, etc.), restoring data with certain third-party tools might be possible. Therefore, we advise you to use EaseUS Data Recovery Wizard Pro. This tool supports over a thousand data types (graphics, video, audio, documents, etc.) and it is very intuitive (little knowledge is necessary to recover data).

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EaseUS Data Recovery Wizard Pro

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Trial version of EaseUS Data Recovery Wizard Pro is capable of scanning drives and listing recoverable files - to restore them, you must purchase a license.

Step 1: Perform a scan.

Hover your mouse over the partition you wish to scan and select "Scan". You can also select a specific folder, or click shortcut icons to scan the Desktop or Recycle Bin: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 1)

Wait for EaseUS Data Recovery Wizard Pro to complete the scan. The scanning duration depends on the volume of files (both in quantity and size) that you are scanning (for example, several hundreds gigabytes could take over an hour to scan). Therefore, be patient during the scanning process. We also advise against modifying or deleting existing files, since this might interfere with the scan. If you add additional data (for example, downloading files/content) while scanning, this will prolong the process: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 2)

Step 2: Recover data.

Once the process is complete, select the folders/files you wish to restore and simply click "Recover". Note that some free space on your storage drive is necessary to restore data. Note also that the trial version of EaseUS Data Recovery Wizard Pro is only capable of scanning drives and listing recoverable files - to restore them, you must purchase a license: Recovering data with EaseUS Data Recovery Wizard Pro

Step 3: Save the scan session (optional).

We recommend that you save the scanning session once you have completed recovery, in case you decide to recover additional files later. Simply click the "Save Scan Session" icon in the upper-right corner of the screen and choose the location for the file to be saved. This will save a lot of time, since you will not need to re-scan the storage drive the next time you wish to restore something. Bear in mind, however, that data removed after the scanning session has finished will not be listed: Saving scan session in EaseUS Data Recovery Wizard Pro

Create data backups:

Proper file management and creating backups is essential for data security. Therefore, always be very careful and think ahead.

Partition management: We recommend that you store your data in multiple partitions and avoid storing important files within the partition that contains the entire operating system. If you fall into a situation whereby you cannot boot the system and are forced to format the disk on which the operating system is installed (in most cases, this is where malware infections hide), you will lose all data stored within that drive. This is the advantage of having multiple partitions: if you have the entire storage device assigned to a single partition, you will be forced to delete everything, however, creating multiple partitions and allocating the data properly allows you to prevent such problems. You can easily format a single partition without affecting the others - therefore, one will be cleaned and the others will remain untouched, and your data will be saved. Managing partitions is quite simple and you can find all necessary information on Microsoft's documentation web page.

Data backups: The most reliable backup method is to use an external storage device and keep it unplugged. Copy your data to an external hard drive, flash (thumb) drive, SSD, HDD, or any other storage device, unplug it and store it in a dry place away from sun and extreme temperatures. This method is, however, quite inefficient, since data backups and updates need to be made regularly. You can also use a cloud service or remote server. Here, an internet connection is required and there is always the chance of a security breach. Therefore, you should consider using an application to create data backups locally.

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EaseUS Todo Backup

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for EaseUS Todo Backup. 30 days free trial available.

We recommend using the EaseUS Todo Backup application. The "Home" edition of EaseUS Todo Backup is usually more than adequate for regular users, however, the "Business" edition is more suitable for companies and large computer networks. The EaseUS Todo Backup application provides extensive data protection features. You can easily create backups, and encrypt and compress them for enhanced protection and storage saving purposes. It also allows you to set backup schedules, create bootable devices, and restore the system if a crash occurs. You can easily choose where to store the created backup: locally; uploaded to an external drive; FTP; cloud storage, or elsewhere. In summary, EaseUS Todo Backup is an all-in-one tool, which provides all features required to properly backup your data.

Creating a data backup:

The backup process is virtually identical regardless of the item (file, partition, entire system) you wish to backup. Taking the File Backup feature as an example:

Step 1: Choose which item to backup.

Click on the "Menu" icon in the upper-left corner of the screen to reveal the menu and select "File Backup": Creating data backups with EaseUS Todo Backup tool (step 1)

Select the files you want to backup. You can also enter a name and description of the backup that will be created: Creating data backups with EaseUS Todo Backup tool (step 2)

Step 2: Change the default settings.

The EaseUS Todo Backup application provides a variety of additional options that can be added/modified while creating the backup. For example, you can encrypt data (add a password), select the compression rate (how much the backup should be compressed), performance (how many system resources should be allocated), add an email notification (you receive an email once the process is complete) and so on.

To open the options window, click the "Backup options" button in the lower-left corner of the screen: Creating data backups with EaseUS Todo Backup tool (step 3)

Select the settings you want to change and click "Save". You can also reset your changes by clicking "Reset to initial settings": Creating data backups with EaseUS Todo Backup tool (step 4)

Step 3: Select the backup destination.

As mentioned above, EaseUS Todo Backup allows you to choose where backups are saved - locally or externally.

Click the "Browse..." button and select the location you want the backup to be saved: Creating data backups with EaseUS Todo Backup tool (step 5)

Step 4: Safety measures and process completion.

Depending on the location you have chosen, there are a number of measures you should or should not take. If you are uploading to an internet-connected location (for example, Cloud storage, FTP, etc.), be sure to maintain your internet connection, otherwise you will have to start again. The same applies to external storage devices - do not unplug them until the process is complete.

The progress bar displays estimated time remaining until completion. Large backups (hundreds of gigabytes) can take hours to create (depending on storage device speed, internet connection, etc.). Therefore, the application also allows you to optionally choose what the system should do (shut down, sleep or hibernate) once the process has finished: Creating data backups with EaseUS Todo Backup tool (step 6)

The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups.

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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