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Search Results for: browser cryptominers

Cryptominers & WebAssembly in Website Malware

July 21, 2022Cesar Anjos

Cryptominers & WebAssembly in Website Malware

WebAssembly (also referred to as Wasm) is a binary instruction format that runs in the browser to enable high-performance applications on web pages and can be executed much faster than traditional JavaScript. WebAssembly can be executed in a variety of environments, including servers, IoT devices,…

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Cryptominers, Variants, and Removal

August 2, 2018Tyler Lancy

Cryptominers: Binary-Process-Cron Variants and Methods of Removal

This post provides a brief overview of how to manually remove server-side cryptominers and other types of Binary-Process-Cron malware from a server. Unlike browser-based JavaScript cryptominers that have been injected…

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GitHub Hosts Infostealers

March 21, 2018Denis Sinegubko

GitHub Hosts Infostealers Part 2: Cryptominers and Credit Card Stealers

Update – March 28th, 2018: The fake Flash update files referenced in this post have been moved from GitHub to port.so[.]tl, and the bit.wo[.]tc script to byte.wo[.]tc. A few days…

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Malicious cryptominers from GitHub

January 3, 2018Denis Sinegubko

Malicious Website Cryptominers from GitHub. Part 2.

Recently we wrote about how GitHub/GitHub.io was used in attacks that injected cryptocurrency miners into compromised websites. Around the same time, we noticed another attack that also used GitHub for…

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December 7, 2017Denis Sinegubko

Malicious Cryptominers from GitHub

Recently, a webmaster contacted us when his AVG antivirus reported that the JS:Miner-C [Trj] infection was found on their site. Our investigation revealed a hidden iframe had been injected into…

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cryptominers on hacked sites blog header

October 25, 2017Denis Sinegubko

Cryptominers on Hacked Sites – Part 2

Last month we wrote about how the emergence of website cryptocurrency miners resulted in hackers abusing the technology by injecting the CoinHive miners into compromised sites without the consent of…

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What is a 500 Internal Server Error & How to Fix It

September 1, 2022Rianna MacLeod

What Is a 500 Error & How to Fix It

A frustrating interruption to anyone’s day is the infamous 500 internal server error. When it happens not only do you lose traffic or potential site revenue, but it can also…

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September 28, 2021Stephen Johnston

What is Cryptocurrency Mining Malware?

Cryptocurrency mining malware is typically a stealthy malware that farms the resources on a system (computers, smartphones, and other electronic devices connected to the internet) to generate revenue for the…

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Fake UpdraftPlus WordPress Plugin

October 17, 2019Denis Sinegubko

Fake UpdraftPlus Plugins

We often find various fake WordPress plugins installed by hackers during website cleanups. Recently, we’ve noticed a new wave of infections that install fake plugins with backdoor functionality. Malicious Plugins…

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What is Cryptocurrency Mining Malware?

September 2, 2019Brian Bautista

What is Cryptocurrency Mining Malware?

Before we get into the details of “Cryptocurrency Mining Malware”, we need to understand first what cryptocurrency is and what miners are. What is Cryptocurrency? Cryptocurrency is best thought of…

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CoinImp

July 5, 2018Denis Sinegubko

CoinImp Cryptominer and Fully Qualified Domain Names

We are all familiar with the conventional domain name notation, where different levels are concatenated with the full stop character (period). E.g. “www.example.com”, where “www” is a subdomain, “example” is…

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