About GandCrab v4
GandCrab v4 ransomware is a variant of GandCrab ransomware family, a malicious file-encrypting program. Previous versions of this ransomware have been successfully decrypted by malware specialists, allowing victims to recover files. However, victims whose files have been encrypted with GandCrab v4 are yet to get a free decryption tool. Malware that encrypts files is highly dangerous because it’s not always possible to recover files. Paying crooks is never recommended because even that does not guarantee file decryption. In some cases, crooks just take the money without sending a decryptor. There’s really nothing obligating them to help you, and you shouldn’t trust the people who encrypted your files in the first place.
You very likely obtained the ransomware by trying to download a software crack. Websites offering software cracks have been longtime hosts for ransomware, so if you want to avoid another infection, do not steal software or download things from unsecure sources.
Just like its previous versions and essentially all ransomware, GandCrab v4 targets all files users would be willing to pay for. And their encryption can happen quite suddenly, so many users do not even notice until it’s way too late. Those who have backup can recover files after GandCrab v4 removal, so if you have saved your files somewhere, you do not need to worry about file loss. However, if you have not taken the time to back up, file recovery may not necessarily be possible. If you have no other options, your best bet is to wait for malware specialists to develop a decrypter. Back up all encrypted files for future decryption. And start doing regular backups! We cannot stress enough how important that is.
How does GandCrab v4 spread?
The ransomware primarily spreads via software crack websites. If you were looking to use paid software for free, you could have easily stumbled upon the infected file. Illegally distributed content falls into the high-risk category because it’s often riddled with all kinds of malware. Torrent and software crack websites are particularly dangerous, so we suggest you stay away from them.
Ransomware is also known to spread via emails. Infected files can be attached to emails and sent out to thousands of possible victims. When the file is opened, the ransomware can start the encryption process. This is why you need to be careful about which attachments you open. Carefully inspect all emails you were not expecting and only open ones sent by trusted senders. If possible, always scan attached files with a malware scanner, like VirusTotal. You would need to upload the file, and after a scan, the platform would inform you if any anti-malware programs classify the file as malicious.
What does the ransomware do?
As soon as the ransomware is launched, it will begin encrypting files. It targets all the usual ones, photos, documents, videos, etc. They will all have a .KRAB file extension added to them. For example, example.jpg would become example.jpg.KRAB. This makes it very obvious which files have been affected. When the encryption process is complete, you will also find KRAB-DECRYPT.txt, which is essentially the ransom note. The note will explain that files have been encrypted and that the only way to recover them is to purchase the private key. At this current moment, the crooks are correct in saying that their private key is the only way, unless you have backup. The victim is instructed to download the Tor browser and access the linked website. The site contains payment information and reveals that victims need to pay $1200 in Dash cryptocurrency within 3 days. If the payment is not made within the time limit, the price for the decryptor will double. On the same website, the crooks provide 24/7 support and can decrypt 1 file for free to show that they can. The question is not whether they can decrypt files, but rather will they actually do it. Keep in mind that you are dealing with cyber crooks, and they aren’t known to be the most trustworthy people. What is there to stop them from simply taking your money and not sending you a decryptor.
If your files have been encrypted and you have no backup, your only option is to wait for malware researchers to develop a free tool. Store encrypted files somewhere so that you can decrypt them if a decryptor becomes available. You also need to start doing regular backup on your files so that you are not put in this situation again.
If you have backed up your files, you should only access them after you delete GandCrab v4. Otherwise, the ransomware could encrypt those files as well.
How to remove GandCrab v4
In order to fully uninstall GandCrab v4, you will need to use anti-malware software. Manual elimination may actually do more harm than good so unless you are absolutely sure you know what you are doing, do not try to remove GandCrab v4 manually. Unfortunately, eliminating the ransomware does not help recover files.
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Step 1. Delete GandCrab v4 using Safe Mode with Networking.
Remove GandCrab v4 from Windows 7/Windows Vista/Windows XP
- Click on Start and select Shutdown.
- Choose Restart and click OK.
- Start tapping F8 when your PC starts loading.
- Under Advanced Boot Options, choose Safe Mode with Networking.
- Open your browser and download the anti-malware utility.
- Use the utility to remove GandCrab v4
Remove GandCrab v4 from Windows 8/Windows 10
- On the Windows login screen, press the Power button.
- Tap and hold Shift and select Restart.
- Go to Troubleshoot → Advanced options → Start Settings.
- Choose Enable Safe Mode or Safe Mode with Networking under Startup Settings.
- Click Restart.
- Open your web browser and download the malware remover.
- Use the software to delete GandCrab v4
Step 2. Restore Your Files using System Restore
Delete GandCrab v4 from Windows 7/Windows Vista/Windows XP
- Click Start and choose Shutdown.
- Select Restart and OK
- When your PC starts loading, press F8 repeatedly to open Advanced Boot Options
- Choose Command Prompt from the list.
- Type in cd restore and tap Enter.
- Type in rstrui.exe and press Enter.
- Click Next in the new window and select the restore point prior to the infection.
- Click Next again and click Yes to begin the system restore.
Delete GandCrab v4 from Windows 8/Windows 10
- Click the Power button on the Windows login screen.
- Press and hold Shift and click Restart.
- Choose Troubleshoot and go to Advanced options.
- Select Command Prompt and click Restart.
- In Command Prompt, input cd restore and tap Enter.
- Type in rstrui.exe and tap Enter again.
- Click Next in the new System Restore window.
- Choose the restore point prior to the infection.
- Click Next and then click Yes to restore your system.
2-remove-virus.com is not sponsored, owned, affiliated, or linked to malware developers or distributors that are referenced in this article. The article does not promote or endorse any type of malware. We aim at providing useful information that will help computer users to detect and eliminate the unwanted malicious programs from their computers. This can be done manually by following the instructions presented in the article or automatically by implementing the suggested anti-malware tools.
The article is only meant to be used for educational purposes. If you follow the instructions given in the article, you agree to be contracted by the disclaimer. We do not guarantee that the artcile will present you with a solution that removes the malign threats completely. Malware changes constantly, which is why, in some cases, it may be difficult to clean the computer fully by using only the manual removal instructions.