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While the victim believes that the attachment is safe, opening it would immediately download and install a malicious payload on their machine. To make it clear, a trojan is defined by the fact that users believe they are installing something harmless, while in reality, they are letting malware infiltrate their device.Īs such, there could be plenty of methods that can put users in such a situation, for example, malicious spam email might include a misleading message and an attachment, which would look like it was delivered from a reputable company or from a person a victim already knows. In this case, we are, of course, talking about an info-stealer, although ransomware, for example, may also be identified as such.

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How do trojans spread, and how to avoid them?Ī trojan is an umbrella term for a type of malware that's defined by its distribution rather than functionality. All the collected files are packed into a ZIP archive, which is then named based on the contents inside, making it easier for the attackers to access the information they need. It is worth noting that the large size of data may come from the fact that the malware makes screenshots and saves them as PNG files. The data stealing process is done via Discord or Telegram bots – the former will be used if the collected data exceeds 50MB. In addition, it collects information about network transmission rates, total memory, a list of running processes, and more.

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For example, it uses “ distro_os” function to get the name of the operating system distribution or version, while “ devicename” is used to get the device name used to identify the device for Bluetooth pairing.

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Luca Stealer also affects other applications installed on the system, such as communication apps (Skype, ICQ, Telegram, Element, Steam, Discord), gaming apps (Uplay), crypto add-ons installed on the browser (Coin98, Coinbase Wallet, BitApp Wallet, OneKey, Nabox Wallet, etc.), and even password managers (1Password, Norton Password Manager, Dashlane, KeePassXC, Bitwarden, etc.), which is relatively uncommon for this type of malware.īesides sensitive details, the malware also collects a variety of technical details about the device used. Malware can pick up and deliver passwords, credit card details, and other crucial information harvested from browsers. Most users rely on Chromium-based browsers nowadays, so choosing it was not accidental.

First of all, it targets 30 Chromium-based browsers, including Chrome, Opera, MS Edge, Vivaldi, Dragon, Brave, and more. While the malware strain is relatively new, its data-stealing capabilities are quite broad. The stealer has been updated thrice, and the malware developer is continuously adding multiple functionalities at the time of our analysis.

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The developer has also provided the steps to modify the stealer and compile the source code for ease of use. The developer of the stealer appears to be new on the cybercrime forum and likely leaked the source code of the stealer to build a reputation for themselves. However, since malware is relatively new, it is currently only operating on Windows operating systems, so users who run use this platform should be wary.Īccording to researchers at Cyble, the developer of the stealer malware is relatively new to the hacker forums, although they already provided instructions on how to modify it: Rust is a cross-platform programming language, which allows the info-stealer to expand its operations to a much larger scale potentially. Even though its detection levels are currently relatively low, it is recommended to remove the Luca Stealer virus as soon as possible, as serious privacy issues could be experienced by those affected. The main targets of malware are those who enjoy gaming and are into crypto, as it collects account details of various gaming platforms, crypto-wallets, chat applications, Chrome-related data, and similar. The main purpose of the virus is to steal various data using exfoliation techniques. Since the source code of this malware was published on GitHub for everybody to see on July 3, 2022, it seems like other parties decided to make it their own and now are actively spreading Luca Stealer around. According to the report, the virus stems from an already existing malware written in Rust, which operates as a data stealer. Luca Stealer is a menacing malware that has been recently discovered by security researchers at Cyble. What is Luca Stealer malware? Luca Stealer malware: a dangerous threat that can steal your valuable data

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