Quick Takeaways
- The Argamal malware campaign utilizes infected hentai games distributed via websites and torrents to deliver a malicious DLL integrated with a PowerShell-based loader, enabling full system control.
- It employs COM hijacking for persistence and dynamically updates its C2 infrastructure, including IP and domain changes, to evade detection and maintain control over infected devices.
- The RAT facilitates comprehensive device exploitation, including remote command execution, file manipulation, surveillance, and system control, with the ability to adapt its communication protocols and bypass security checks.
Threat Overview, Techniques, and Targets
In April 2026, a new malware campaign was found. It targets players of “hentai” games. When a user installs infected games, a malicious implant gets installed on their computer. After a few days, the implant downloads and runs a Trojan. This results in full system control for attackers. They are able to manage the device remotely. The malware family is called “Argamal”. It uses COM hijacking to stay on the system. The malware changes the InprocServer32 registry entry for Windows Color System Calibration Loader DLL. This allows it to run at startup when the user logs in. The malware was detected by Kaspersky solutions as Trojan.Win32.Termixia., Trojan.Win32.Agent., and heuristics related to Argamal. It mainly targets users involved in downloading “hentai” games, distributed through websites and torrent trackers like AniRena. The infected game archives contain legitimate game files and malicious scripts, which load the malware payload.
Impact, Implications, and Guidance
This malware can fully compromise an infected system. It enables remote attackers to execute commands, steal data, or control the device entirely. The RAT (Remote Access Trojan) communicates with its command and control (C2) servers, using dynamic domains such as asper1.[.]freeddns[.]org and Winst0.[.]kozow[.]com. The payload also checks for installed security solutions to avoid detection. The malware’s commands include system control, file management, surveillance, and reconnaissance activities. It can take screenshots, delete files, upload or download data, and execute arbitrary commands. The C2 responses, encrypted with a substitution cipher, guide these malicious activities. Because of ongoing development, the malware’s infrastructure and features are evolving. If you suspect infection, it is crucial to consult your security vendor or relevant authority for specific remediation steps. General recommendations include running updated security solutions, monitoring network traffic for unusual activity, and removing infected files. As always, ensure your systems are patched and users are educated about the risks associated with downloading files from untrusted sources.
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