Trojans

Trojan:BAT/Runner.AMS!MTB is a heuristic detection used to identify a type of Trojan Horse that can exhibit a variety of malicious behaviors on an infected system. Trojans like this one often download and install additional malware, use the infected computer for click fraud, or record keystrokes and browsing activities. They can also send detailed information about the compromised PC, including usernames and browsing history, to remote malicious hackers. In some cases, Trojans grant remote access to unauthorized users, allowing them to control the computer from afar. This particular Trojan may also inject advertising banners into web pages viewed by the user or even use the computer's resources to mine cryptocurrencies. It's important to note that files reported as Trojan:BAT/Runner.AMS!MTB might not always be malicious; sometimes, they are false positives. For uncertain cases, scanning the affected file with multiple antivirus engines through services like VirusTotal can provide additional insights.

Flesh Stealer is a sophisticated piece of malware designed to extract sensitive information from infected systems, particularly targeting Windows users. This Trojan specializes in pilfering data from web browsers based on Chromium and Mozilla platforms, including around 70 browser-based cryptocurrency extensions. By stealing such information, cybercriminals can transfer victims' funds to their own wallets, resulting in significant financial losses. Additionally, Flesh Stealer can capture two-factor authentication (2FA) codes, allowing attackers to bypass security measures and gain unauthorized access to various accounts, including email and financial services. Discord tokens are also at risk, potentially exposing private communications and personal data. To make matters worse, this malware can restore deleted Google cookies, enabling further surveillance and data theft. The creators of Flesh Stealer offer subscription plans with significant discounts, making it accessible to a broader range of malicious actors. Immediate action, such as a thorough system scan with a reputable security tool, is essential to mitigate the severe risks posed by this malware.

Trojan:Win32/Fauppod!ml is a machine learning-based detection name assigned by Microsoft Defender to a type of malware primarily identified by its behavior rather than traditional signature methods. This malware is designed to steal sensitive information, particularly targeting online banking credentials. It typically spreads through malicious email attachments or dubious downloads from untrustworthy sources. Once executed, the malware checks for other instances of itself and utilizes process hijacking techniques to evade detection. It disables system defenses by manipulating registry keys and injects itself into legitimate processes like svchost.exe and wmiadap.exe, making its activities difficult to trace. Communication with its command and control (C2) servers often involves both standard and non-standard ports, and it sometimes uses compromised websites to mask its network traffic. Although primarily a serious threat, heuristic detections like Fauppod!ml can occasionally result in false positives, making third-party anti-malware solutions valuable for confirmation and removal.

Trojan:Win32/Leonem is a sophisticated spyware variant that primarily targets sensitive login data on compromised systems. This malware is typically spread through malicious documents or disguised as legitimate software, making it a deceptive threat. Once installed, it can perform keylogging, collect browser passwords, cookies, and cache, and even seek out stored credentials in email clients. Leonem also attempts to disable security software, modify system settings, and ensure persistence by running at each system boot. Beyond its primary data-stealing function, it can also act as a malware dropper, often deploying ransomware or backdoors. The malware uses legitimate processes to detect sandbox environments and virtual machines, which helps it evade detection. Ultimately, Leonem exfiltrates collected data to its command server, often using Discord webhooks for this purpose.

Trojan:Win32/HeavensGate.RPY!MTB is a heuristic detection designed to generically identify a type of Trojan Horse malware. This malicious software can perform a variety of harmful activities once it infiltrates a system. Common behaviors include downloading and installing additional malware, recording keystrokes, and sending sensitive information such as usernames and browsing history to remote attackers. It may also grant unauthorized access to the infected PC, enabling hackers to control it remotely. Some variants inject advertising banners into web pages, engage in click fraud, or even use the system's resources to mine cryptocurrencies. Identifying and removing this Trojan is crucial as it poses significant risks to data security and system integrity. Users should regularly update their antivirus software and remain vigilant when downloading programs or clicking on suspicious links to mitigate such threats.

Voldemort Backdoor is a sophisticated backdoor-type malware written in the C programming language, first identified in the summer of 2024. It has been primarily distributed through large-scale email spam campaigns targeting organizations across various sectors, including insurance, aerospace, transportation, education, and finance. This malware deploys a multi-stage attack strategy, often using malicious websites and virulent files disguised as legitimate documents to lure victims. It employs techniques such as DLL side-loading and even uses Google Sheets for its Command and Control (C&C) servers. Once infiltrated, Voldemort Backdoor can gather extensive device-related data, manage files, and execute additional malicious payloads, potentially leading to severe privacy issues, financial losses, and identity theft. The presence of such malware on a system poses significant threats, especially given its suspected use in cyber-espionage. Effective removal requires the use of reputable antivirus solutions, as manual deletion can be complex and risky.

Ailurophile Stealer is a sophisticated piece of malware designed to infiltrate Windows operating systems and steal sensitive information. This information stealer is commonly distributed through malicious email attachments, infected advertisements, and compromised software downloads. Once executed, Ailurophile Stealer collects system data, retrieves running processes, and connects to a Command and Control (C2) server for further instructions. Utilizing the Telegram API as an alternative C2 channel, it exfiltrates data stored in web browsers, including passwords, autofill data, and session tokens. The stolen information can be used for unauthorized access to online accounts, identity theft, and financial fraud. Cybercriminals often sell the harvested data on the dark web, making it imperative to remove this malware promptly. Regular scans with reputable security tools and cautious behavior online are essential to prevent infection from such threats.

Emansrepo Stealer is a highly dangerous piece of malware classified as an information stealer, primarily distributed via malicious email attachments. Upon successful infiltration, it targets and extracts a wide array of sensitive data, including credit card details, login credentials, and browsing histories from multiple web browsers such as Google Chrome, Microsoft Edge, and Brave. This malware also compromises various browser extensions and cryptocurrency wallets, posing significant financial risks to its victims. Emansrepo meticulously compresses and exfiltrates files and folders, making it a sophisticated threat that can lead to identity theft and unauthorized financial transactions. The malware's ability to harvest cookies further exacerbates the potential for targeted attacks and privacy breaches. Its stealthy nature means it often operates without noticeable symptoms, making detection and timely removal crucial. Regularly updating security software and exercising caution with email attachments are essential preventive measures against such threats.