Results for bitcoin

Threat Research

A Mobile Bitcoin Miner? Really?

This is the second time this year that we have bumped into an alleged "Bitcoin Miner" for Android. This blog offers more research insight into them.

By Axelle ApvrilleFebruary 25, 2019

Threat Research

Copy-pasting Thief from a Copy-pasted Code

Recently, we noticed an unusual sample. It triggered our sensors because of the Japan encoding in one of its resources. Further analysis showed that it is not only targeting Japanese users, but any holder of Bitcoin assets.

Industry Trends

Bitcoin Mining Is More Popular Than Ever

When the value of a single bitcoin began to skyrocket, so did the profitability of bitcoin mining — and investment in it.

By Michael XieJune 29, 2018

Industry Trends

Cryptojacking: are your valuable bitcoins at risk?

Cryptocurrency is all the rage right now. You can’t go anywhere without seeing it online, mentioned in the news, or discussed in groups. With large sums of money exchanging hands daily and news outlets reporting that Bitcoin prices surged over 1,400% during 2017, it’s no surprise that people have been drawn toward the virtual currency space.

By Toan TrinhMarch 11, 2018

Threat Research

Circle of the Fraud: New Waves Of Attacks

FortiGuard continues to investigate a series of attacks targeted at Bitcoin users. In our previous article, we discovered a numbers of fake websites registered by the perpetrators of these attacks in late 2017. We assumed at the time that these websites would soon be used for another series of attacks. And now, we have found proof of such attacks. During our new investigation we also discovered a number of tools used by the criminals for malicious documents crafting.

By Artem SemenchenkoFebruary 28, 2018

Threat Research

Circle of the fraud: more information about Bitcoin Orcus RAT campaign

FortiGuard Labs continues to investigate a series of attacks on Bitcoin users. In our first blog, we provided a deep analysis of malicious samples from the Bitcoin Orcus RAT campaign. In this second part, we recreate the full path of a multistage complex attack, shed some light on some other activities of these criminal actors, and reveal their possible identities. Failed attempt Bitcointalk.org is a popular place to trade for bitcoins. In 2015 there was a simple and straightforward attack on its users. Somebody registered a...

Threat Research

A Peculiar Case of Orcus RAT Targeting Bitcoin Investors

FortiGuards Labs has spotted a new phishing campaign that targets bitcoin investors by offering Gunbot, a relatively new bitcoin trading bot application. However, instead of being a tool designed to ensure more profit, it serves an Orcus RAT malware that result in the loss of investments and more.

By Floser Bacurio and Joie SalvioDecember 07, 2017

Threat Research

Cryptojacking: Digging for your own Treasure

Do you ever feel the Internet is especially slow these days? Or do you ever wonder if maybe it’s just your computer that’s getting slower? Don’t rush to the IT shop to buy a new computer yet … you may have been a victim of a new trick used by malevolent hackers called browser “cryptojacking.” What is cryptojacking? It’s a trick used to mine cryptocurrencies on your computer using your CPU resources in the background without your knowledge. All that a cybercriminal has to do is load a script...

By David MaciejakOctober 19, 2017

Industry Trends

Strengthening the Security Fabric of Blockchain

Blockchain is a shared and continuously reconciled database used to maintain a list of digital records, called blocks. It is quickly becoming an important tool not just for financial information, but also for managing and recording virtually all types of data, such as medical and other records, identity management, and transaction processing. Because a blockchain database is distributed and interconnected, it provides several essential services. The first is transparency. Because data is embedded within the network as a whole, it is by definition...

By Hemant JainJune 20, 2017

Threat Research

WannaCry: Evolving History from Beta to 2.0

The WannaCry malware was responsible for a massive infection beginning that affected organizations and systems around the world. FortiGuard Labs has been monitoring this malware carefully. We have provided an analysis of this attack, along with how to protect your organization here.  In this blog post I’ll briefly describe some of the distinct characteristics of each version of this malware, from beta to the latest 2.0 version, and share some interesting findings. Beta Version: We discovered this beta version around Feb 9th,...

By Kyle YangMay 15, 2017