GandCrab 5.0.2 Ransomware

Also Known As: GandCrab 5.0.2 virus
Distribution: Low
Damage level: Severe

GandCrab 5.0.2 ransomware removal instructions

What is GandCrab 5.0.2?

GandCrab 5.0.2 is an updated variant of high-risk ransomware called GANDCRAB V5. Immediately after infiltration, GandCrab 5.0.2 encrypts most stored data and adds a random string as an appendix to each filename. For instance, "sample.jpg" might be renamed to a filename such as "sample.jpg.oapvkylmq". Furthermore, GandCrab 5.0.2 changes the desktop wallpaper and places a text file ("[random]-DECRYPT.txt") on the desktop.

The new desktop wallpaper contains a message stating that data is encrypted and encourages users to read the text file for detailed information. The text file also informs victims of the encryption and claims that data can only be restored using a unique decryption key. Unfortunately, this information is accurate. It is currently unknown which cryptography (symmetric or asymmetric) GandCrab 5.0.2 uses. In any case, each victim receives a unique decryption key required for decryption. All keys are stored on a remote server controlled by GandCrab 5.0.2's developers. Therefore, to receive their keys, victims must visit a Tor website and follow the instructions. The site states that victims must pay a ransom of $800 (in the Bitcoin or DASH cryptocurrency) to receive their keys. If the ransom is not paid within the given time frame (website contains a countdown timer), the cost doubles. Note that, despite these demands, cyber criminals cannot be trusted. Developers of GandCrab 5.0.2 often ignore victims, once payments are submitted. Therefore, paying usually gives no positive result and users are scammed. Therefore, we strongly advise you to ignore requests to submit payments or to contact these people. Unfortunately, there are no tools capable of cracking GandCrab 5.0.2 encryption and restoring data free of charge. Therefore, the only solution is to restore everything from a backup.

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

GandCrab 5.0.2 decrypt instructions

GandCrab 5.0.2 shares many similarities with Koolova, Dharma-Btc, NOT_OPEN LOCKER, and dozens of other ransomware-type viruses. Although developers of this software are different, these viruses have identical behavior: they encrypt data and make ransom demands. In most cases, size of ransom and type of cryptography used are the only major differences. Unfortunately, most employ algorithms that generate unique decryption keys (e.g., RSA, AES, and so on). Therefore, unless the virus has certain bugs/flaws or is still in development, restoring data manually without involvement of developers (contacting these people is not recommended) is virtually impossible. Ransomware-type viruses present a strong case for maintaining regular data backups, however, it is important to store them on a remote server (e.g., cloud) or unplugged storage device, otherwise ransomware encrypts backups together with regular data.

How did ransomware infect my computer?

Developers promote GandCrab 5.0.2 using spam email campaigns. Criminals send thousands of deceptive emails encouraging users to open malicious attachments. Once opened, however, these files stealthily download and install malware. Ransomware-type viruses are often distributed using trojans, fake software updaters, and unofficial software download sources. Trojans cause chain infections - one virus proliferates another. Fake software updaters infect computers by exploiting outdated software bugs/flaws or simply downloading and installing malware rather than the promised updates. Third party software download sources (peer-to-peer [P2P] networks, third party software download sources, freeware download websites, etc.) present malicious executables as legitimate software. Users are tricked into downloading and installing malware.

Threat Summary:
NameGandCrab 5.0.2 virus
Threat TypeRansomware, Crypto Virus, Files locker
SymptomsCan'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 methodsInfected email attachments (macros), torrent websites, malicious ads.
DamageAll 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.

To eliminate GandCrab 5.0.2 virus our malware researchers recommend scanning your computer with Spyhunter.
▼ Download Spyhunter
Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

How to protect yourself from ransomware infections?

Lack of knowledge and careless behavior are the main reasons for computer infections. Caution is the key to safety. Therefore, pay attention when browsing the Internet and downloading/installing software. Think twice before opening email attachments. Files that are irrelevant and those received from suspicious/unrecognizable email addresses should never be opened. In addition, download your apps from official sources only, using direct download links. Third party downloaders/installers often include rogue apps, and thus these tools should never be used. The same applies to software updates. It is important to keep installed applications up-to-date, however, this should be achieved through implemented features or tools provided by the official developer only. Have a reputable anti-virus/anti-spyware suite installed and running, since these tools can detect and eliminate malware before it does any damage. If your computer is already infected with GandCrab 5.0.2, we recommend running a scan with Spyhunter for Windows to automatically eliminate this ransomware.

Text presented in GandCrab 5.0.2 ransomware text file ("[random]-DECRYPT.txt"):

---= GANDCRAB V5.0.2 =---




All your files, documents, photos, databases and other important files are encrypted and have the extension: .OAPVKYLMQ
The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files.
The server with your key is in a closed network TOR. You can get there by the following ways:


| 0. Download Tor browser - hxxps://

| 1. Install Tor browser
| 2. Open Tor Browser
| 3. Open link in TOR browser: hxxp://gandcrabmfe6mnef.onion/113737081e857d00
| 4. Follow the instructions on this page


On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free.






Screenshot of GandCrab 5.0.2 desktop wallpaper:

GandCrab 5.0.2 wallpaper

Screenshot of GandCrab 5.0.2 website:

GandCrab 5.0.2 website

Text presented within this site:

We are sorry, but your files have been encrypted!
Don't worry, we can help you to return all of your files!
Files decryptor's price is 800 USD
If payment isn't made until 2018-03-08 10:45:13 UTC the cost of decrypting files will be doubled
Amount was doubled!
Time left to double price:
What the matter?
Your computer has been infected with GandCrab Ransomware. Your files have been encrypted and you can't decrypt it by yourself.
In the network, you can probably find decryptors and third-party software, but it won't help you and it only can make your files undecryptable
What can I do to get my files back?
You should buy GandCrab Decryptor. This software will help you to decrypt all of your encrypted files and remove GandCrab Ransomware from your PC.
Current price: $800.00. As payment, you need cryptocurrency DASH or Bitcoin
What guarantees can you give to me?
You can use test decryption and decrypt 1 file for free
What is cryptocurrency and how can I purchase GandCrab Decryptor?
You can read more details about cryptocurrency at Google or here.
As payment, you have to buy DASH or Bitcoin using a credit card, and send coins to our address.
How can I pay to you?
You have to buy Bitcoin or DASH using a credit card. Links to services where you can do it: Dash exchanges list, Bitcoin exchanges list
After it, go to our payment page Buy GandCrab Decryptor, choose your payment method and follow the instructions

A spam campaign distributing a malicious attachment that infiltrates GandCrab 5.0.2:

GandCrab 5.0.2 promoting email attachment

Text presented within this email:

Subject: Invoice from Property Investors
Invoice No. 226287
Dear Client,
Please contact us immediately if you are unable to detach to download your tax invoice/invoice payment.
Thank you.
Get Transaction Document 1-IV000226287
Copyright 2018 Melbourne Somersoft Group, All rights reserved.
You are receiving this email because you filled in a form on our website requesting to join our Email list.

Malicious attachment proliferated using this spam email campaign:

GandCrab 5.0.2 promoting attachment

Screenshot of files encrypted by GandCrab 5.0.2 (random extension):

Files encrypted by GandCrab 5.0.2

Update February 19, 2019 - Bitdefender has recently released a decryption tool capable of restoring data encrypted by GandCrab V1, V4, and all V5 versions (up to 5.1). Therefore, victims can decrypt their data easily without paying cyber criminals. You can find more information in this article and you can download the decryptor by clicking this link.

Screenshot of Bitdefender's GandCrab decryptor:

GandCrab ransomware decryption tool by Bitdefender

GandCrab 5.0.2 ransomware removal:

Instant automatic removal of GandCrab 5.0.2 virus: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Spyhunter is a professional automatic malware removal tool that is recommended to get rid of GandCrab 5.0.2 virus. Download it by clicking the button below:
▼ DOWNLOAD Spyhunter By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

Quick menu:

Step 1

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

Step 2

Log in to the account infected with the GandCrab 5.0.2 virus. Start your Internet browser and download a legitimate anti-spyware program. Update the anti-spyware software and start a full system scan. Remove all entries detected.

If you cannot start your computer in Safe Mode with Networking, try performing a System Restore.

Video showing how to remove ransomware virus using "Safe Mode with Command Prompt" and "System Restore":

1. During your computer start process, press the F8 key on your keyboard multiple times until the Windows Advanced Options menu appears, and then select Safe Mode with Command Prompt from the list and press ENTER.

Boot your computer in Safe Mode with Command Prompt

2. When Command Prompt mode loads, enter the following line: cd restore and press ENTER.

system restore using command prompt type cd restore

3. Next, type this line: rstrui.exe and press ENTER.

system restore using command prompt rstrui.exe

4. In the opened window, click "Next".

restore system files and settings

5. Select one of the available Restore Points and click "Next" (this will restore your computer system to an earlier time and date, prior to the GandCrab 5.0.2 ransomware virus infiltrating your PC).

select a restore point

6. In the opened window, click "Yes".

run system restore

7. After restoring your computer to a previous date, download and scan your PC with recommended malware removal software to eliminate any remaining GandCrab 5.0.2 ransomware files.

To restore individual files encrypted by this ransomware, try using Windows Previous Versions feature. This method is only effective if the System Restore function was enabled on an infected operating system. Note that some variants of GandCrab 5.0.2 are known to remove Shadow Volume Copies of the files, so this method may not work on all computers.

To restore a file, right-click over it, go into Properties, and select the Previous Versions tab. If the relevant file has a Restore Point, select it and click the "Restore" button.

Restoring files encrypted by CryptoDefense

If you cannot start your computer in Safe Mode with Networking (or with Command Prompt), boot your computer using a rescue disk. Some variants of ransomware disable Safe Mode making its removal complicated. For this step, you require access to another computer.

To regain control of the files encrypted by GandCrab 5.0.2, you can also try using a program called Shadow Explorer. More information on how to use this program is available here.

shadow explorer screenshot

To protect your computer from file encryption ransomware such as this, use reputable antivirus and anti-spyware programs. As an extra protection method, you can use programs called HitmanPro.Alert and EasySync CryptoMonitor, which artificially implant group policy objects into the registry to block rogue programs such as GandCrab 5.0.2 ransomware.

Note that Windows 10 Fall Creators Update includes a "Controlled Folder Access" feature that blocks ransomware attempts to encrypt your files. By default, this feature automatically protects files stored in the Documents, Pictures, Videos, Music, Favorites as well as Desktop folders.

Controll Folder Access

Windows 10 users should install this update to protect their data from ransomware attacks. Here is more information on how to get this update and add an additional protection layer from ransomware infections.

HitmanPro.Alert CryptoGuard - detects encryption of files and neutralises any attempts without need for user-intervention:

hitmanproalert ransomware prevention application

Malwarebytes Anti-Ransomware Beta uses advanced proactive technology that monitors ransomware activity and terminates it immediately - before reaching users' files:

malwarebytes anti-ransomware

  • The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups. More information on online backup solutions and data recovery software Here.

Other tools known to remove GandCrab 5.0.2 ransomware:

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 since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

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Malware activity

Global virus and spyware activity level today:

Medium threat activity

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

QR Code
GandCrab 5.0.2 virus QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of GandCrab 5.0.2 virus on your mobile device.
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Platform: Windows

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