How to remove JS:Cryptonight

Today's article is devoted to the Trojan program, known as JS:Cryptonight bitcoinminer, the manners of its penetration into the workstation, and the methods to guard your laptop from it. We've made easy and helpful instructions that will assist you to eliminate JS:Cryptonight, and all the aftermath of its actions once and for all.

The object of this guide is JS:Cryptonight Trojan that created the massive wave of concern lately. If your computer is infected by this virus, then you most likely experience some problems with its elimination. Viruses of the Trojan kind are known for their multitasking, and are able to strongly resist removal, create their backups and recover after partial deletion. We know how to help you, and in final part of our guide you will see the safe advices on JS:Cryptonight deletion. Also this method helps to purify the system from various malicious tools that might penetrate it. You can immediately go to the removal, but it's wiser to read the information about the Trojans, as it may help you avoid such threat in the future.


What is JS:Cryptonight trojan

So, Trojan viruses are the most widespread part of malware in information space, which is used by web-criminals for various purposes. These goals sometimes have illegal or semi-legal properties, such as the steal of passwords and other data, downloading and maintaining already installed adware, espionage or botnets building. Despite the multiple advantages, Trojan viruses got one important disadvantage - they cannot get into victim's system independently. In recent years, people think that all malicious or unwanted programs are viruses, but strictly speaking, Trojans can’t be called so, because virus is the self-replicating program, capable of easily spread over data carriers and the Internet. Trojans easily infect devices with help of other tools or with customer's assistance, but cannot do it independently. After infesting the system, Trojan virus is almost impossible to discover without help of antiviral tools which makes it such an efficient tool for web-criminals. All these things were said to show one plain thought: user should keep Trojans away from the computer, because it's very difficult to eliminate them then to avoid them.

The majority of customers believe that to stop virus penetration they just need to purchase an AV-tool, but that's wrong. AV utilities are very useful, but they cannot block you the access to infected websites, and disallow you to download anything you want, including malware. But, if you will assist your antivirus to work, instead of preventing him from doing its job, the device will be safe. It's not hard, and you will have to abide one of the following advices:

  • The highly reliable choice is to completely quit using software of dubious origin. These rules related to any tool downloaded not from the reliable developer websites or trusted distributors. Naturally, all pirated copies of paid software also are potentially malicious. If you stop downloading such programs, the chances of infestation would be reduced to minimal, and antivirus can easily cope with it.
  • If you are not ready to completely forget about using unlicensed utilities, you have to carefully examine each downloaded program. Trojans commonly lurk beneath the guise of nice programs such as search engines, AV programs, driver updaters, browsers, browser games and system optimizers. Don't download suspicious programs from this list, and while installing another unlicensed program - watch closely at the installation, declining all suggestions for getting additional software.

Abide to these advices and you'll clearly see their fruits: your PC will become quick, workable and clean, and will stay so forever.

JS:Cryptonight removal instruction

If you are MAC user, follow this guide How to remove virus from MAC

Commonly we propose two methods to get rid of perilous programs, but in this case, when deleting Trojans, it's almost impossible to discover and get rid of them manually. Trojan can be hidden literally anywhere in the system, so an inexperienced user can make a mistake, remove a crucial data and damage the computer. To avoid this, we have created an instruction that will help you to delete JS:Cryptonight easily and safely. The first step is to boot the PC in Safe Mode and inspect system data. Step #2 is to download and install Spyhunter anti-viral program. After that - abide the instructions, and in ten minutes the system will be again in service.

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab


Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

Don't forget that there's no need to immediately buy Spyhunter - there's a possibility to familiarize with its advantages by installing an unpaid version with limited functionality. If you’re going to download Spyhunter or need more information - click on the button below.

Special Offer

Antivirus scanner

Why we recommend SpyHunter antimalware

Detects most kind of threats: malicious files and even registry keys of malware will be found

Protects your system in the future

24/7 free support team

SpyHunter's scanner is only for malware detection. If program detects infected elements on the computer, you will need to purchase malware removal tool for $39,99 to delete threats. SpyHunter has Free Trial for one remediation and removal, subject to a 48-hour waiting period. Uninstall steps and additional information EULA , Privacy Policy and Threat Assessment Criteria.

bwd  Instructions 1/2  fwd

Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

Video guide

This website uses cookies to improve your experience. If you continue using the site, we will assume that you accept our cookies policy.