CryptoWall 3.0 Virus Removal (+Decryption) July 2019 Update

This page aims to help you remove the CryptoWall 3.0 Virus for free. Our instructions also cover how any CryptoWall file can be recovered.

Ransomware viruses have recently risen to the attention of pretty much everyone due to the mass infections on a global scale. Unfortunately, however, this malware type has been along for much longer than you might think and regular users, just like you, have been suffering from it for well over two decades now. We’re assuming that since you’re on this page, you have also had to face this awful threat. One of its latest variants is called CryptoWall 3.0 Virus, and if this is the reason for you seeking out this page – you’re going to want to stick around. CryptoWall 3.0 Virus is a ransomware virus that encrypts certain file types on your machine and then blackmails you, demanding money in exchange for a decryption key. Part of what makes these viruses so dangerous is that they’re incredibly difficult to deal with and the aftermath is often irreversibly devastating. However, in this article we’ve presented you with a set of instructions that can help you remove this ransomware from your machine and potentially also restore the files it has managed to rob you of.

Ransomware: how it works and what to be aware of

Malicious programs like CryptoWall 3.0 Virus are notoriously elusive for antivirus programs, because of the way they operate. Once in your system, the virus will proceed to scan it for certain file types, after which, one by one, it will start creating copies of these files. The only difference between the copies and originals, however, is that the copies are encrypted – meaning they will be inaccessible to anyone, who doesn’t have the necessary decryption key. And once all that is done, the original files are deleted. The trick here is that encryption is not in itself a malicious process and is actually a means of data protection. And, therefore, antivirus programs will in the majority of cases not detect the process or think of it as something harmful. This is in part why these virus have gained the level of success they enjoy nowadays.

Another one is their stealthy distribution methods, which for the most part include various social engineering tactics, such as spam emails, deceptive notifications and fake warnings. No matter how often security experts own people about it, there are still plenty of users willing to open spam messages and download their attachments without question – regardless of who they’re from and what purpose they serve. Ransomware can often be hidden in the attached files, or it can even be a Trojan horse virus in them, which will later download the ransomware in them. Note that these can be as seemingly innocent as a text or pdf document, so be sure to never interact with content you aren’t 100% sure you can trust. The same is also true for downloadable content, such as torrents, for example. Another common source of these viruses is the so-called malvertisements or fake and compromised online ads. These appear to be your regular popup or banner, but really upon clicking them will automatically download the virus onto your machine.

So, say you learn to avoid all the probable source and you will thus minimize the risk of ending up infected again. But what to do with the current infection? Well, there are several options. You can of course opt for the ransom payment and hope for the best, but we would advise against that. First of all, there is no guarantee as to whether you will actually receive a decryption key from the hackers, and there’s really no justified reason to believe that they will. You’d be surprised to know how many people have gotten burnt this way. What we would recommend is that you remove CryptoWall 3.0 Virus as soon as possible, so as to be sure that it won’t encrypt any more files. After that, there are a few different ways you can try to regain access to your data. You can rely on a special decryptor tool to breach the encryption, or you could attempt to recover the files from system backups. You will find instructions as to how to do that in the same guide below. And as for from now on, aside from being smarter and more careful about your browsing, we would recommend frequently backing up your most important files and keeping them on a separate drive.


Name CryptoWall 3.0
Type Ransomware
Danger Level High (Ransomware is by far the worst threat you can encounter)
Symptoms Very few and unnoticeable ones before the ransom notification comes up.
Distribution Method From fake ads and fake system requests to spam emails and contagious web pages.
Data Recovery Tool Currently Unavailable
Detection Tool

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version. More information about SpyHunter and steps to uninstall.

Remove CryptoWall 3.0 Virus



Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at: https://howtoremove.guide/online-virus-scanner/

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Type msconfig in the search field and hit enter. A window will pop-up:


Go in Startup —> Uncheck entries that have “Unknown” as Manufacturer.

  • Please note that ransomware may even include a fake Manufacturer name to its process. Make sure you check out every process here is legitimate.


To remove parasite, you may have to meddle with system files and registries. Making a mistake and deleting the wrong thing may damage your system.
Avoid this by using SpyHunter - a professional Parasite removal tool.

Keep in mind, SpyHunter’s malware & virus scanner is free. To remove the infection, you'll need to purchase its full version. More information about SpyHunter and steps to uninstall.

Type Regedit in the windows search field and press EnterOnce inside, press CTRL and F together and type the virus’s Name. 

Search for the ransomware  in your registries and delete the entries. Be extremely careful –  you can damage your system if you delete entries not related to the ransomware.

Type each of the following in the Windows Search Field:

  1. %AppData%
  2. %LocalAppData%
  3. %ProgramData%
  4. %WinDir%
  5. %Temp%

Delete everything in Temp. The rest just check out for anything recently added. Remember to leave us a comment if you run into any trouble!


How to Decrypt CryptoWall 3.0 Virus files

We have a comprehensive (and daily updated) guide on how to decrypt your files. Check it out here.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!


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    • Those IPs need to be delete from your Hosts file, afer which you should save the changes and continue with the rest of the guide.

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