Cryptocurrency mining virus
With Trend Micro Intrusion Prevention , you can easily virtually patch and protect vulnerable systems from known, unknown, and zero-day vulnerabilities. Unsecure configuration How do I identify if my computer is infected? Network Monitoring Cryptocurrency mining requires Internet to communicate with the mining pool or the cryptocurrency network. As such, it should generate an identifiable network traffic that could signify a possible mining activity.
In this case, further investigation is required to identify whether the network activity is normal or not. A server communicating with a TOR network should already be a subject for investigation. Deploy solutions that are capable of detecting anomalies in the network. Trend Micro Deep Discovery Inspector provides degrees of visibility by monitoring all network ports and over different protocols.
This can make the computer run slower and consume more electricity. Performance monitoring is perhaps the easiest way to identify whether a computer is being cryptojacked. The motivation behind cryptojacking is simple: money.
Mining cryptocurrencies can be very lucrative, but turning a profit is now next to impossible without the means to cover large costs. To someone with limited resources and questionable morals, cryptojacking is an effective, inexpensive way to mine valuable coins. How does cryptojacking work? Cryptojackers have more than one way to enslave your computer. One method works like classic malware. You click on a malicious link in an email and it loads cryptomining code directly onto your computer.
Once your computer is infected, the cryptojacker starts working around the clock to mine cryptocurrency while staying hidden in the background. An alternative cryptojacking approach is sometimes called drive-by cryptomining. Similar to malicious advertising exploits , the scheme involves embedding a piece of JavaScript code into a web page.
After that, it performs cryptocurrency mining on user machines that visit the page. They posed it as a fair exchange: you get free content while they use your computer for mining. Then when you quit the site, the cryptomining shuts down too and releases your computer. This is a common technique for owners of dubious sites, or hackers that have compromised legitimate sites.
Users have no idea that a site they visited has been using their computer to mine cryptocurrency. The code uses just enough system resources to remain unnoticed. Although the user thinks the visible browser windows are closed, a hidden one stays open. Drive-by cryptomining can even infect your Android mobile device.
It works with the same methods that target desktops. Some attacks occur through a Trojan hidden in a downloaded app. But stealing CPU resources has consequences. Sure, slower computer performance might just be an annoyance for an individual user.
But for larger organizations that might have suffered many cryptojacked systems, there are real costs. Electricity costs, IT labor costs, and missed opportunities are just some of the consequences of what happens when an organization is affected by drive-by cryptojacking. How prevalent is cryptojacking? Over the past several years, cryptojacking has become a fairly common threat type, surging in popularity in and In February , Malwarebytes Labs published that malicious cryptomining had become the most common detection type since September In October , Fortune suggested that cryptojacking is the next major security threat.
In the first quarter of , we saw a 4, percent increase in detections of Android-based cryptojacking malware. During this time, the cryptojackers continued to up their game, invading increasingly powerful hardware. In another instance from the same report, a group of Russian scientists allegedly used the supercomputer at their research and nuclear warhead facility to mine Bitcoin.
More recently, while other types of malware have increased in prevalence and made international headlines ransomware in , for instance , cryptojacking has become somewhat of a mainstay threat type. While cryptojacking may not be making as many headlines as it did in and , it remains a relatively low-risk way for threat actors to make money off of other people's resources, so it's important to protect your devices from this type of threat.
How do I protect myself from cryptojacking? Likewise, finding the origin of the high CPU usage can be difficult. Processes might be hiding themselves or masking as something legitimate in order to hinder you from stopping the abuse. As a bonus to the cryptojackers, when your computer is running at maximum capacity, it will run ultra slow, and therefore be harder to troubleshoot. One obvious option is to block JavaScript in the browser that you use to surf the web. Although that interrupts the drive-by cryptojacking, this could likewise block you from using functions that you like and need.
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Crypto-jacking - ComputerphileBUY A MACBOOK WITH BITCOIN
Malicious cryptocurrency mining, or in other words cryptojacking, is a growing threat for both businesses and individual users. The unauthorized malware exploits computers or mobile devices to mine digital currencies. And the victims do not even notice it. So, how to tell if you have a Bitcoin Miner virus?
What is the Bitcoin Miner virus? BitCoinMiner is a generic name for various cryptocurrency-mining viruses. At first glance, the name suggests that these viruses mine only Bitcoin cryptocurrency, however, cybercriminals also attempt to mine other cryptocurrencies, such as Monero, Ethereum, etc.
Bitcoin Miner virus, cryptocurrency mining malware, or cryptojacking. Whatever you call it, it is the same form of cybercrime when fraudsters infect vulnerable computers with malware to steal computer processing power for illegal crypto mining.
Cybercriminals behind crypto mining viruses act with the purpose of profit. Mining lucrative cryptocurrencies like Bitcoin requires powerful and expensive ASIC mining hardware to become profitable. But as long as cryptocurrencies can be mined with processors CPU and graphics cards GPU , the fraudsters utilize them as a cheap alternative. They simply target computing resources and steal power from thousands of unsuspecting users. The principle here is simple. When a certain device is infected with cryptojacking malware, it gets added to a pool to work on the task.
In a meantime, fraudsters earn profit with almost no costs to themselves. And although the name of the Bitcoin Miner virus suggests it mines only Bitcoins, criminals do mine other digital currencies like Ethereum or Monero. How does the Bitcoin Miner virus spread? Cryptojacking attacks are one of the most common cybersecurity threats. Crypto mining malware can be written in different programming languages and easily infect devices through multiple ways: from downloads to browsing on the compromised website.
Bitcoin Miner virus can even be embedded in Trojan Horse viruses. However, the most used methods are the following: Drive-by-download attacks. A popular form of cryptojacking involves social engineering attacks. Victims are tricked to download legitimate-looking files that are infected with hidden malware. Such viruses can be plugged in online ads, email attachments, various plugins, and extensions or downloaded with a free of charge software.
Browser-based attacks. The attack is implemented by putting malicious crypto-mining code into a webpage. The code automatically runs every time when the victims open their browsers and visit a particular website. How Bitcoin Miner malware affects devices?
As you may know, cryptocurrency mining requires a vast amount of computing power. It is necessary to solve mathematical puzzles and confirm new crypto transaction blocks. Bitcoin Miner virus makes the computer work at its full capacity and slows down its performance. A device loads slowly and lags even in dealing with simple tasks.
The continuous performance in such conditions wears out the device over time. Simultaneously working at full capacity increases the risk of overheating, which leads to the reduced lifetime of the processor, graphics cards, or memory. How to tell if you have a Bitcoin Miner virus? Crypto mining malware might be difficult to detect for those with poor skills in IT or cybersecurity. However, there are general indicators of how to tell if you have a Bitcoin Miner virus. To be sure you should know how to identify the warning signals and how to inspect them.
However, not all of these signals can be checked by yourself, and need antivirus software and a more professional approach. Nevertheless, here are the steps on how to check for the crypto mining viruses on your PC or mobile device. How to check if you have been cryptojacked? Check the CPU temperature A device runs at a full capacity when mining a cryptocurrency. This leads to possible overheating, and the increased temperature of the CPU is a good indicator here. The infected PC works slower and louder.
If you witness the same behavior on your computer, check up the temperature of its processor CPU. Click on the Performance tab. For example, a legitimate website might have been hijacked. When it starts happening on thousands of computers, it's even easier to spot. One thermostat is not really going to produce anything, but when you put it together into a big mining pool, a hundred thousand of them, that's enough to make a difference. The crypto mining tool runs in JavaScript, and is loaded by infected websites, or, sometimes, by websites where the owners deliberately decide to raise money by hijacking their visitors' machines.
That's a nuclear option, since JavaScript is used for legitimate purposes across the web. They have limitations. He adds that network-level detection is critical. A more targeted approach is installing browser extensions.
He recommends minerBlock. Another extension that works well is NoCoin, which does a decent job at blocking Coinhive and its clones, says Marc Laliberte, information security threat analyst at WatchGuard Technologies. The indicators are getting more and more subtle, he adds. You can't just be looking at resource utilization, but at network traffic and other potential indicators of compromise.
According to Tim Erlin, VP of product management and strategy at Tripwire, attackers can evade network-based defenses by using encryption and less visible communication channels. That isn't just limited to executable malware, he adds.
There is also a unique aspect, and that is understanding how it got there. That makes those investigations a little bit more challenging, but a little bit more interesting. He was actively trying to subvert us. The university is paying the bill, so it does cost them. The students did not illegally get into the system. Trusted insiders can also spin up virtual machines on AWS, Azure or the Google cloud, do their calculations, and then shut them down quickly before anyone notices, says Robert McNutt, VP of emerging technology at ForeScout.
External attackers with stolen credentials could do this as well, he adds. That makes it even more costly for the company paying the bill. More on crypto mining:.
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