Cryptojacking – Everything You Need To Know

Cryptojacking - Everything You Need To Know


It’s been said that cryptocurrency is the next logical step in the world’s financial and economic development. In contrast, the infrastructure supporting cryptocurrencies is still in its infancy and evolving at present. People always have a lot of doubts when a brand new technological innovation like the newspaper or the telephone is offered to the general public.

It’s no coincidence that blockchain and cryptocurrency are both going through a developmental lull at the same time. It is preferable to educate oneself on topics like Cryptojacking than than restrict a new technology based on fears, real or imagined.

Cryptocurrency: What Does It Mean?

In a decentralized system, consumers of a blockchain product like cryptocurrency can make monetary transactions using a digital token. Digital currencies backed by cryptographic code are known as cryptocurrencies, and they are not legal money. Cryptocurrencies can be categorized in various ways, including by their structure, history, purpose, and more.

The millions of cryptocurrencies available now all have their roots in one of the roughly 1,000 existing blockchains. As opposed to stocks and securities, commodities are more analogous to cryptocurrency.

Blockchain Technology and Its Impact on Decentralized Applications

DApps, short for “decentralized application,” are simply cryptocurrency-based software applications that run on blockchains or similar distributed ledger technologies. Games, data processors, and other software are only a few examples of the many uses for decentralized apps.

Nonetheless, decentralized applications permit programmers to implement their own tokens for the project’s functioning. Customers can now do business on decentralized applications without the need for local fiat currency or digital payment channels like credit cards.

For instance, several decentralized applications (dApps) on Ethereum’s network have introduced utility tokens because it’s a great blockchain for dApps. Common software requires customers to make payments using PayPal, a credit card, or some other online banking system.

Users of decentralized applications, on the other hand, do not need to register with or wait for the approval of any central regulators before conducting any type of transaction. Smart Contracts are used by decentralized apps to automate the handling of monetary operations like transactions, account management, and user identification.

So, what exactly is cryptocurrency mining?

By using crypto mining, blockchains may authenticate transactions automatically, without the need for human intervention or oversight from a governing authority. For a long time, Central Banks or other state financial regulators have overseen all digital financial transactions.

Blockchain, on the other hand, automates cryptocurrency transactions and uses miners to verify transactions and create new tokens for circulation. In order for a transaction to be validated by all of the network’s nodes, its cryptographic signature must be solved; this is what miners do.

Following a miner’s successful authentication of a new transaction, a copy of the confirmed transaction is broadcast to every blockchain user. Miners use computational power, in the form of processors used for a variety of purposes across operating systems, to mine for cryptocurrency.

As the number of blocks in a blockchain grows, the computing power required by mining computers becomes increasingly demanding. In exchange for processing transactions, cryptocurrency miners are rewarded with new coins. Also, as a reward for their work, miners receive some of the cryptocurrency that is created as part of the blockchain.

Simply put, what is cryptojacking?

Hopefully, after reading all that preceding material on the inner workings of bitcoin and blockchain, you’ll find this concept really simple to grasp. It’s a combination of two words: “crypto” (for cryptocurrency) and “jacking” (for stealing).

By definition, Cryptojacking is a form of cyberattack in which malware takes over a victim’s computer and exploits its processing power, memory, and other components for cryptocurrency mining without the user’s knowledge or consent. In this scenario, the true owner of the operating system device (e.g., a smartphone or computer) is blissfully oblivious that they are the target of an assault.

By infecting the operating system in question, cybercriminals can leverage its processing power to mine cryptocurrency. The cryptocurrency stolen by Cryptojacking can be used by the hacker immediately, or the hacker can deposit the cryptocurrency into a lending pool.

How Cryptojacking Got Its Start

Malware used for cryptojacking may not have always existed. As of 2019, however, Coinhive virus has been utilized for Cryptojacking. In the end, though, Cybersecurity groups were able to diagnose and fix the project.

Criminals behind the Coinhive malware assault frequently mined Zcash and Monero in large quantities. Zcash and Monero are two of the most popular cryptocurrencies among hackers and users of dark web services like Deep Field Internet (DeFi).

Cryptojacking malware is notorious for sneaking onto a system undetected and staying there for an extended period of time, mining cryptocurrency without the user’s knowledge. It’s possible that at this time the owner won’t be able to use standard antivirus software to find or eliminate the malware.

Can you explain the concept of Cryptojacking Miner?

If a hacker is willing to break into other people’s computers and mobile devices in order to steal their processing power, they are a Cryptojacking miner. From what has been said thus far, it should be clear that crypto mining uses a growing amount of processing power.

Mine operators have historically had to invest heavily in mining equipment and bear the associated costs of running and maintaining such equipment, as well as those associated with other business operations (such as energy, maintenance, cooling, recycling, staff, real estate, etc.). This means that the initial investment into a mining farm might be rather high.

Cryptojackers, on the other hand, use malware to bypass these steps and utilize someone else’s computer, bandwidth, and mining hardware to mine cryptocurrency.

Since cryptojacking compromises a user’s system without their knowledge or agreement, it is considered a black hat hacking technique. Hackers are the only ones who benefit financially from cryptojacking. Meanwhile, victims of this malware assault are responsible for covering all mining costs.

What is the Process of Cryptojacking?

Like most other forms of malware, the Cryptojacking infection spreads through clicking on suspicious links on the web or through downloading malicious software. Hackers can infect a host with malware by flooding their inbox with spam emails or exposing them to malicious clickbait ads.

Users are infected unknowingly as soon as they click on a tainted link. Once the malware is running, it can steal resources from the network’s core and use them to mine cryptocurrency.

A computer or operating system’s processing unit is required for crypto mining to function. There is no way for the user to access or even view the malicious program. But the app might keep running in the background and stay linked to the hacker’s digital wallet.

Due to the infection, the operating system slows down and makes Cryptojacking tasks the top priority, rather than carrying out the activities for the users. As a general rule, hackers ensure that their Cryptojacking software is completely hidden from the user interface.

Where Can I Look for Cryptojacking?

The malicious software known as Cryptojacking is extremely difficult to spot with the naked eye. Therefore, it is important for every computer and mobile phone owner to know how to identify and prevent a Cryptojacking assault.

Take note whether your OS seems to be running faster than previously. The rapid acceleration may be an indication that Cryptojacking software is at work in the background.

Malware attacks on an OS can cause unexpected behavior, which can quickly cause the machine to overheat. It is possible to compare the running applications to the total RAM utilization by accessing the OS settings panel.

Malware attacks can cause a device’s battery to drain extremely quickly. This occurs when the gadget is overworked and its processing power is being utilized to its maximum.

An operating system under constant attack from Cryptojacking malware may stutter and freeze up. When this happens, the user may notice that their regular programs are becoming unstable, unresponsive, or performing poorly.

There are situations in which users of postpaid services may see an increase in their monthly internet price. Users will notice if there is an unexpected spike in bandwidth usage that does not correspond to already running programs.

Users may also notice a rise in their electricity bills due to the increased frequency with which their devices will need to be charged.

When a device is infected with cryptojacking malware, it can severely degrade the hardware. The abuse of processing equipment, such as graphic cards, significantly accelerates their depreciation rate, forcing even legitimate cryptocurrency miners to replace these components on a regular basis.

Is There a Way to Stop Cryptojacking?

In this article, the reader has learned the basics of Cryptojacking and how it operates. The most important thing to wonder about right now is how to stop it. When infected with Cryptojacking software, many users fear they must replace their outdated equipment immediately.

The following guidelines, however, can help anyone safeguard their devices against such attacks:

Sites hosted online are the primary vector for the spread of Cryptojacking malware. It is recommended that users implement screening protocols within their respective browsers. Users with desktops or laptops can get free add-ons for testing purposes.

As a result, many people may believe they are immune to Cryptojacking because they don’t use cryptocurrency. But Cryptojacking malware can attack any device, no matter what it’s doing at the time.

By disabling JavaScript when surfing, you may help stop Cryptojacking. For hackers, JS is a crucial tool for breaking into foreign electronics. Disabling JS could prevent consumers from making full use of their gadgets.

There are also a plethora of browser add-ons and software designed specifically to prevent Cryptojacking. Verified and tried-and-true preventive apps should be used wherever possible.

A device owner’s only other option for protecting themselves from or removing Cryptojacking malware is to work with an established cybersecurity company. These businesses can identify and eliminate all malware and stolen data, and they may even be able to track down the criminals responsible.

Major Incidents of Cryptojacking

Blockchain is a novel technology, and as is the case with all novel technologies, the mainstream market is rife with new schemes and pitfalls.

It follows that numerous significant Cryptojacking occurrences have been documented and recorded so far, each of which has managed to wreak havoc on some of the world’s largest IT companies. Some of the most mind-blowing reports of Cryptojacking instances so far are as follows:

Server for Microsoft Exchange

Cryptojacking programs have targeted Microsoft Exchange Server, one of the most widely used servers from a software giant. Multiple Zero-day vulnerabilities were reported to MES in 2021, allowing for remote code execution.

A zero-day exploit is a previously unknown flaw in an operating system that can be used by the maker to fix the system. ZD is a useful tool for developers, but in the hands of a hacker it might open the door for malware and other viruses. On the other hand, hackers can run whatever code they like on a compromised device by employing the Random Code Execution protocol, which is a form of the ACE or Arbitrary Code Execution protocol.

Cybercriminals compromised a Microsoft server and sent Cryptojacking software to a large number of users. At roughly the same time, the same malware spread to over 250,000 systems, affecting approximately 30,000 firms in the United States.

In addition, the European Banking Authority, the Financial Commission of Chile, and the Norwegian Parliament were all hit by the same malware at the same time. Microsoft kept sending out patches to its users all the way through 2019 in an effort to head off any attacks.

Homicide in the Times

In the 20th century, one of the most widely read publications was Times Magazine. Malware known as Cryptojacking was distributed through the Times Magazine page on the website that detailed homicide news and updates. By the time of its discovery in 2018, the virus had already been installed in the form of code, making it undetectable to the target audience.

Coinhive developed the crypto-jacking software to mine Monero, the most widespread privacy coin. Symptoms of the malware’s presence weren’t immediately apparent, but became apparent after the compromised machines’ performance drastically dropped.

The European Public Sector

It was in 2021 that the infamous Colonial Pipeline ransomware attack took place, but before that year hackers targeted a European water business. The hackers took control of the system and secretly used it until a security firm named Radiflow uncovered the intrusion.

Whitehat hackers revealed that they have located Cryptojacking malware scripts. The Water Utility hackers were using the resource for Monero mining, as did most hackers.

Data-Mining for Politics

PolitiFact, an organization whose mission is to track and analyze global political developments using data, was hacked. After winning the Pulitzer Prize, the website saw a significant increase in its visitor count. Similar to the previous attack, Coinhive was used to initiate this one.

Malicious miners used the websites listed on PolitiFact as a source of code to perform the massive computations required for cryptocurrency mining. Users’ browsers were hijacked and used to mine Monero by the attackers, who had compromised the platform.

Worst Cryptojacking Software Ever Known

Every bitcoin trader and user of electronic devices should be aware of the following list of the most malicious Cryptojacking malware:


In the context of cybercrime, this is a clustered cryptojacking bot. Such an assault can cripple not just a single OS, but a whole enterprise-level server farm.

Malware of this type, known as Cryptojacking, spreads like a virus and can infect and take control of as many as 40,000 computers at once.


Many people find fault with CoinHive because of its alleged role in and association with some of the largest Cryptojacking attempts ever. Those interested in bitcoin mining might use the company’s expert services.

On many occasions, however, it has been linked to acts of Cryptojacking. The public outcry over CoinHive’s Trojan and Cryptojacking software led to its shutdown this year.


MassMiner is another widely-used piece of Cryptojacking malware that uses network vulnerabilities as a means of operation. The Cybersecurity firm that discovered this malware claims that it is currently active on multiple websites without the consent of the websites’ owners.

Users who visit these sites unwittingly become infected and begin mining cryptocurrency for the hackers who created them.


Malware infections like Smominru have been present since 2017, but they’ve just recently gotten attention. In 2017, this same botnet compromised millions of systems, including Microsoft’s. WannaCry is the Smominru botnet’s equivalent to Cryptojacking. Smominru typically gets blocked at the EternalBlue vulnerability.


The practice of cryptojacking is an intriguing development in the realm of blockchain technology. Cybersecurity firms are always improving their defenses because of the ever-present threat posed by hackers and the myriad mysteries that will forever populate the internet. All blockchains and cryptocurrencies should be avoided because of the risk of infection.

The best course of action is to educate oneself on these subjects and work for the establishment of safer, more robust bitcoin trading platforms, both for private and business use.

Orizu Augustine
Orizu Augustine is an experienced crypto writer working for Alltechcraft. Having passion for writing, he covers news articles from blockchain to cryptocurrency and iPhone and Samsung related articles.