Trojans

Leet Stealer is a sophisticated Electron-based stealer that first appeared in late 2024, initially offered as Malware-as-a-Service before its source code was leaked and sold in early 2025. Designed primarily for data theft, Leet Stealer targets a wide range of sensitive information, including browser-stored passwords, cookies, autofill data, and credentials from popular platforms such as Discord, Telegram, WhatsApp, Steam, and various cryptocurrency wallets. Its distribution campaigns have been especially successful in gaming communities, where it masquerades as unreleased or fake game installers to lure victims. Advanced anti-detection features allow Leet Stealer to evade sandboxes and security tools by checking system details like hostname, GPU, and running processes. Once active, it can also download additional payloads, opening the door to further infections such as ransomware or cryptominers. Stealer-type malware like Leet poses significant risks, including privacy breaches, financial loss, and identity theft. Since new variants regularly emerge, maintaining updated antivirus software and practicing safe downloading habits are crucial for protection. Prompt removal of Leet Stealer is essential to prevent further compromise of personal and financial information.

SHUYAL Stealer is a sophisticated information-stealing malware targeting a wide range of web browsers and applications, aiming to exfiltrate sensitive user data. It employs advanced evasion techniques, including self-deletion and disabling of Task Manager, to avoid detection and hinder removal. Upon execution, SHUYAL Stealer collects detailed information about the infected system, such as hardware details and running processes, and ensures persistence by copying itself into the Startup folder. Its primary objective is to locate and extract browser login data, browsing history, clipboard content, and even Discord tokens from various popular browsers and Discord clients. Stolen information is compressed via PowerShell and exfiltrated to attackers using a Telegram bot, allowing cybercriminals rapid access to victims' credentials and personal details. This stealer is commonly distributed through malicious email attachments, cracked software, fake updates, and compromised websites. Users rarely notice obvious signs of infection, making it particularly dangerous and increasing the risk of identity theft, account hijacking, and financial loss. Immediate action is required if SHUYAL Stealer is detected, as it poses a severe threat to both privacy and system security.

BOFAMET Stealer is a sophisticated information-stealing malware written in the Golang programming language, designed to extract a wide range of sensitive data from infected devices. This stealer is capable of harvesting credentials, cookies, browsing history, and autofill data from popular browsers such as Chrome, Edge, Opera, and Brave, among others. Beyond browser data, it targets session files for communication apps like Telegram and Discord, as well as configuration files for gaming platforms like Steam and Epic Games. BOFAMET Stealer also exfiltrates documents and images with specific file extensions, including .pdf, .docx, and .xlsx, searching user directories for valuable information. Cryptocurrency enthusiasts are at particular risk, as the malware seeks out wallet files and private keys, such as wallet.dat and id_rsa. System reconnaissance is another feature, with the malware collecting details regarding hardware specifications, network information, and geolocation data. Infections typically occur through malicious email attachments, social engineering, infected software cracks, and deceptive online ads. BOFAMET’s stealthy behavior makes it difficult to detect, which can lead to severe consequences like identity theft, financial loss, and unauthorized access to online accounts if not removed promptly.

PureRAT is a sophisticated remote access Trojan (RAT) primarily designed to steal sensitive information and provide attackers with full control over infected systems. Leveraging advanced evasion techniques such as process hypnosis injection and encrypted payloads, PureRAT often infiltrates devices through deceptive email campaigns and malicious file attachments. Once active, it targets a wide range of browsers, cryptocurrency wallets, desktop applications, and communication platforms, extracting valuable credentials and data. Its functionality extends beyond data theft, enabling attackers to remotely manipulate the victim’s system, control peripherals like webcams and microphones, log keystrokes, and execute commands. PureRAT includes features such as a crypto clipper for hijacking cryptocurrency transactions, comprehensive file and process management, and the ability to launch DDoS attacks. It also allows for live chat with victims, manipulation of system settings, and even disabling of security features like Windows Defender. Due to its extensive capabilities and stealthy operation, PureRAT poses a significant threat to both individual users and organizations, potentially leading to financial loss, identity theft, and severe privacy breaches.

Smcdll.exe is a malicious Windows process most commonly associated with coin miner Trojans that secretly exploit computer resources for cryptocurrency mining. Often, users first notice Smcdll.exe because their PC becomes sluggish, with CPU or GPU usage spiking even when no intensive tasks are running. This executable is typically dropped onto systems through software bundling, malicious ads, or downloads from suspicious websites, especially those offering cracked software. While it does not directly destroy user files, Smcdll.exe consumes so much processing power that normal tasks become almost impossible, and system components may overheat or wear out prematurely. The malware also tends to tamper with system security by disabling Microsoft Defender and altering HOSTS files to connect the infected device to criminal mining networks. Detecting Smcdll.exe can be challenging, as it often hides among legitimate processes and may use misleading names. Its presence is a clear sign of compromised system security, and immediate action is required to prevent hardware damage and further malware infections. Regularly updating security software and avoiding suspicious downloads are crucial steps in defending against threats like Smcdll.exe.

Trojan:PowerShell/CoinStealer.NJA!MTB is a particularly dangerous type of malware designed to exploit compromised systems by leveraging PowerShell scripts for malicious activities. This trojan often masquerades as a legitimate tool or is bundled with pirated software, tricking users into executing it unknowingly. Once active, it can inject additional malware, alter critical system settings, and even modify Windows Group Policies and registry keys to further entrench itself. Its primary goal is to steal sensitive information, such as cryptocurrency wallet data and personal credentials, and transmit them back to cybercriminals for financial gain. Beyond data theft, CoinStealer is capable of acting as a downloader, spyware, and even opening backdoors for remote attackers to take control of the system. Victims may also experience unwanted advertisements and browser redirects, as the malware seeks to maximize profit through adware and hijacker functionality. Because of its stealth and versatility, infections can go unnoticed until significant damage has been done. Immediate removal with reputable anti-malware tools is crucial to prevent further compromise and loss of personal information.

Coin Miner Trojan is a type of malicious software designed to covertly use a victim’s computer resources for cryptocurrency mining without their consent. Once installed, this malware hijacks CPU and GPU power to solve cryptographic puzzles, generating digital currencies like Monero for cybercriminals. Victims typically notice severe system slowdowns, constant high processor usage, and overheating hardware as the trojan aggressively mines in the background. Unlike ransomware or spyware, coin miner trojans do not directly steal data or encrypt files but can cause long-term hardware damage and inflate electricity bills. Infection often occurs through malicious ads, software bundling, or pirated downloads, making it crucial to avoid suspicious links and unknown sources. Some variants also disable security software such as Microsoft Defender to evade detection and establish persistence. Over time, continuous mining can degrade system performance and reduce hardware lifespan, posing a serious risk to both home users and organizations. Prompt identification and removal using reliable anti-malware tools are essential to prevent further harm.

TrojanDownloader:Win32/Banload is a notorious malware family classified as a Trojan-Downloader, primarily targeting Windows systems. This malicious software operates by infiltrating computers and silently downloading additional harmful files from remote servers. Often, it acts as a gateway for more sophisticated threats, such as banking Trojans from the Banker family, which are designed to steal sensitive financial information. Infection typically occurs through malicious email attachments, compromised websites, or bundled software downloads. Once active, Banload variants execute other malware without the user’s knowledge, making detection and removal challenging. Security products like F-Secure can usually quarantine or remove these threats automatically, but keeping your antivirus software updated is essential. Users should remain cautious with unfamiliar files and links, as prevention is far easier than remediation when dealing with downloader Trojans. Regular system scans and prompt action at the first sign of infection are key to minimizing potential damage.