How to Remove Cryptbase.dll Trojan

This article can help you to remove Cryptbase.dll Virus. The step by step removal works for every version of Microsoft Windows.

Trojan horses are one of the worst cyber parasites. The latest member of their dangerous family is the Cryptbase.dll Trojan. This parasite enters your computer in complete silence and wreaks havoc. Actually, you are quite lucky. You know that the virus has made its way to your device. This parasite is a master at hiding. It camouflages its processes as legit ones and corrupts essential OS files. The longer this pest remains active on your machine, the more trouble will it cause. In no time, you will find yourself drowned in a sea of issues. The Trojan affects your daily web browsing. It takes control over your web browser and starts an ad bombardment. It injects numerous commercials on every page you visit and redirects your web traffic to malicious websites. Cryptbase.dll Trojan also affects the programs you have installed on your machine. It may cause some apps to freeze and crash frequently or to spot working. Like your anti-virus, for example. The Trojan certainly doesn’t need such an app on board. The Trojan runs with admin privileges. It can modify your system setting, to install programs and, of course, to send data to its owners. And this is dangerous, very dangerous. The Trojan knows what apps you have installed on your device, your MAC and IP addresses; on top of that, it can even spy on your online activities. Can you imagine what the hackers can do with this info? They can use it to trick you down and to blackmail you. The Cryptbase.dll Trojan is a backdoor to your system. It is a weakness in your security which must be removed ASAP! This virus is rather complicated. So is its removal. We have attached a manual removal guide below this article. Yet, if you are not confident in your computer skills, use an automated solution. This is the easiest and safest way to deal with the parasite. Do not waste your time. Locate the Cryptbase.dll and delete it on the spot!

Remove Cryptbase.dll

How did I get infected with?

The Cryptbase.dll Trojan is an advanced parasite. Its distribution method, however, is nothing special. Your caution can prevent the Cryptbase.dll Trojan from entering your OS. Torrents, spam emails, software bundling, malvertising, all these techniques rely on your carelessness. Be vigilant instead. When you receive an email from a stranger, take your time to verify the sender. The crooks tend to write on behalf of well-known organizations, companies, police departments, online stores, etc. if you receive such an email, go to the organization’s official website. Compare the email addresses listed there with the one you have received a message from. If they don’t match, delete the pretender. When you open a suspicious email, opt for red flags. Reliable companies would use your real name to address you. If the message starts with “Dear Friend” or “Dear Customer,” proceed with caution. Do not download anything. If the letter contains hyperlinks, don’t follow them. If you absolutely need to interact with the email, scan the attachments with a trustworthy anti-virus app. Only your caution can keep your PC virus-free. Don’t be lazy. Always do your due diligence.

Why is this dangerous?

The Cryptbase.dll Trojan is a menace. It wreaks havoc on your computer. It can modify your system settings, affect all installed programs, and even bombard you with commercials. Yet, these issues are nothing compared to the thing the Trojan does behind your back. In the past, Trojans were used as spying devices. The Cryptbase.dll virus is a classic Trojan. This parasite knows what you have on your machine and what you do online. The hackers can use this info to track you down and blackmail you. Be careful, the Trojan may steal personally identifiable information, credit card details, banking accounts, passwords, email addresses, etc. It can also install other viruses on your computer, including ransomware. The Trojan’s a security breach. It makes your OS vulnerable and unstable. Have use experienced system crashes recently? If the Cryptbase.dll Trojan remains active on your device, you will experience crashes. Frequent crashes. This virus often causes The Blue Screen of Death. You have no reason to tolerate it on board! Take action against the Cryptbase.dll Trojan immediately!

Manual Cryptbase.dll Removal Instructions

The Cryptbase.dll infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the Cryptbase.dll infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down Cryptbase.dll related processes in the computer memory

STEP 2: Locate Cryptbase.dll startup location

STEP 3: Delete Cryptbase.dll traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down Cryptbase.dll related processes in the computer memory

  • Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
  • Carefully review all processes and stop the suspicious ones.


  • Write down the file location for later reference.

Step 2: Locate Cryptbase.dll startup location

Reveal Hidden Files

  • Open any folder
  • Click on “Organize” button
  • Choose “Folder and Search Options”
  • Select the “View” tab
  • Select “Show hidden files and folders” option
  • Uncheck “Hide protected operating system files”
  • Click “Apply” and “OK” button

Clean Cryptbase.dll virus from the windows registry

  • Once the operating system loads press simultaneously the Windows Logo Button and the R key.


  • A dialog box should open. Type “Regedit”


Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or

  • and delete the display Name: [RANDOM]

delete backgroundcontainer

  • Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:


Step 4: Undo the possible damage done by Cryptbase.dll

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for Cryptbase.dll, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

  • Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
  • go to Network and Internet
  • then Network and Sharing Center
  • then Change Adapter Settings
  • Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!


  • Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove Cryptbase.dll Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your whole system or network and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible virus leftovers or temporary files.

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