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Remove GandCrab 5.0.9 ransomware (Removal Instructions) - Quick Decryption Solution

removal by Lucia Danes - - | Type: Ransomware

GandCrab 5.0.9 ransomware – a file locking malware that blackmails users into paying ransom in return for decryptor

GandCrab 5.0.9 ransomware
GandCrab 5.0.9 ransomware is one of the most dangerous cyber threats out there. It can result in a complete loss of data.

GandCrab 5.0.9 ransomware is the newest addition to the GandCrab 5 version. The virus was spotted[1] in early December, infecting users all over the world with the help of spam emails, exploits, unprotected RDPs, and similar methods. Once inside the system, GandCrab 5.0.9 virus opens a message box, swaps the wallpaper of the desktop, detects all personal files and adds an extension of six random characters, although this parameter can vary. For example, a sample.jpg will be turned into sample.jpg.spsjhw once the encryption process (completed with the help of Salsa20 and RSA-2048) is complete. Additionally, the malware drops ransom note [random_extension]-Decrypt.txt or [random_extension]-Decrypt.html where users can see all the information that is needed in order to allegedly recover the access to their pictures, music, videos, documents, and other files. GandCrab 5.0.9 authors usually ask for a large amount of money in Bitcoin or Dash cryptocurrency, although paying crooks if highly discouraged.

Summary
Name GandCrab 5.0.9
Type Ransomware
Cipher RSA-2048 and Salsa20
File extension [random_6], although can vary
Ransom note [random_extension]-Decrypt.txt, [random_extension]-Decrypt.html
Payment Up to $2,400 in Dash or Bitcoin
Infiltration Unprotected RDP, spam emails, exploits, etc.
Decryptable? No
Elimination Use Reimage or SpyHunterCombo Cleaner to detect and eliminate the threat

It is highly likely that GandCrab 5.0.9 ransomware is still using Adobe Flash Player (CVE-2018-4878)[2] and Windows VBScript (CVE-2018-8174) vulnerabilities to propagate its payload. Therefore, it is vital to update your system on time, especially if you are using Adobe Flash Player (experts[3] do not recommend using it due to security holes).

As soon as the malicious code is executed, GandCrab 5.0.9 virus opens the pop-up wind that says:

We will become back very soon! 😉

It is clear that perpetrators are not native speakers, as GandCrab is mainly used as Ransomware as a service so that anybody can buy it on the black market. Nevertheless, the code of malware is continually improved, making GandCrab 5.0.9 ransomware removal is not an easy task. However, please refer to the last section of this article for the detailed guide.

Once victims read the ransom note, they are prompted to download and install TOR browser. This method is used because the TOR project allows crooks to remain anonymous, which is vital when it comes to criminal activity like blackmailing. To enter further details, users have to upload their ransom note (this functionality was not present in most of the previous GandCrab versions).

Users have a preset amount of time before the amount of ransom doubles. Those who agree to pay the demanded price in Bitcoin or Dash, are promised to receive the decryptor. However, we highly discourage you from contacting cybercriminals because they might scam you and not send the decryptor. Instead, remove GandCrab 5.0.9 ransomware with the help of anti-virus software like Reimage and then proceed with file recovery by either using backups or third-party tools.

Beware of phishing emails – malicious attachments can result in ransomware infection

Spam emails are more than just a nuisance, as casually opening attachments or clicking on links inside might execute the malicious payload of ransomware virus. For that reason, you should learn how to recognize phishing emails and use extreme caution. Hackers employ bots that distribute thousands of such messages in the hopes of infecting as many systems as possible. 

Besides spam emails, crooks also use the following ransomware propagation methods:

  • Exploit kits (Fallout, Grandsoft, Rig);
  • Backdoors;
  • Brute-force attacks;
  • Fake updates;
  • Etc.

To prevent infiltration, always update your system on time, employ reputable security software, avoid dubious websites (torrent, porn, gambling, etc.), and use strong passwords for all your accounts. Additionally, always backup your files just in case.

GandCrab 5.0.9 virus removal instructions

To remove GandCrab 5.0.9 ransomware, you will have to use powerful security software that detects the virus. We suggest using Reimage or SpyHunterCombo Cleaner. To stop certain features of the virus, we suggest you enter Safe mode with networking as explained below, and then perform a full system scan. Do not try to complete manual GandCrab 5.0.9 ransomware removal, as it is too complicated of a task for a regular user.

Once you get rid of GandCrab 5.0.9, you can recover your files safely using backups that you kept of a virtual server or a flash drive/external HDD. If you did not prepare any, do not panic, as you can try third-party recovery tools or wait till security experts create a decryption tool.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove GandCrab 5.0.9 virus, follow these steps:

Remove GandCrab 5.0.9 using Safe Mode with Networking

To remove GandCrab 5.0.9 virus, enter Safe Mode with Networking:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove GandCrab 5.0.9

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete GandCrab 5.0.9 removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove GandCrab 5.0.9 using System Restore

Use System Restore to stop the virus:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of GandCrab 5.0.9. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that GandCrab 5.0.9 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove GandCrab 5.0.9 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by GandCrab 5.0.9, you can use several methods to restore them:

Make use of Data Recovery Pro to get your files back

Data Recovery Pro is a professional file recovery tool that is originally created to recover data that was accidentally deleted or corrupted. However, it is known to be helpful for ransomware victims as well.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by GandCrab 5.0.9 ransomware;
  • Restore them.

Try out Windows Previous Versions feature

This method will only work if you had a Restore point created before GandCrab 5.0.9  struck your system.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

ShadowExplorer is can retrieve your files with the help of Shadow Volume Copies

Shadow Volume Copies are internal Windows backup files. However, most ransomware viruses attempt to eliminate these backups. In some cases, the malware fails to do so – you will be able to get all your files back with ShadowExplorer.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

No decryptor is yet available

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from GandCrab 5.0.9 and other ransomwares, use a reputable anti-spyware, such as Reimage, SpyHunterCombo Cleaner or Malwarebytes Malwarebytes

About the author

Lucia Danes
Lucia Danes - Virus researcher

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