November 17.2025
2 Minutes Read

The Alarming Rise of EVALUSION ClickFix Campaign: Understanding Amatera Stealer and NetSupport RAT

EVALUSION ClickFix Campaign phishing CAPTCHA prompt on screen

Understanding the EVALUSION ClickFix Malware Campaign

The EVALUSION ClickFix campaign is making headlines for its sophisticated use of social engineering to deploy malicious software, specifically the Amatera Stealer and NetSupport RAT (Remote Access Trojan). Discovered by the cybersecurity firm eSentire, this campaign highlights the continuously evolving tactics employed by cybercriminals. Starting in June 2025, Amatera, which is an evolution of the previously known AcridRain Stealer (ACR), now allows attackers to utilize advanced evasion techniques that not only gather sensitive information but also bypass traditional cybersecurity defenses.

The Mechanics Behind the Attack

This campaign leverages the ClickFix technique, tricking users into executing harmful commands via the Windows Run dialog. By masquerading as a benign process, the attackers employ a **PowerShell** script to download the Amatera payload. The malicious software can extract sensitive information from numerous sources such as crypto wallets and email accounts, demonstrating its capabilities to exploit vulnerabilities in widely-used applications.

Amatera operates through a multi-step infection chain that is initiated by the execution of commands that download a DLL (Dynamic Link Library) packed with a **PureCrypter** loading tool, which complicates detection efforts. The payload is then injected into legitimate processes like MSBuild.exe, enabling the malware to function unnoticed by security tools.

The Growing Threat Landscape

As the cybersecurity landscape evolves, so too do the strategies employed by attackers. The latest findings indicate that phishing remains a prevalent tactic and is being enhanced by malware like NetSupport RAT, which can be deployed remotely to maintain control over compromised machines. For instance, the Amatera Stealer employs obfuscation techniques to prevent detection, showcasing the increasing sophistication of malicious actors in the digital sphere.

Protecting Against Such Threats

In light of these developments, organizations should take proactive measures to safeguard their systems. eSentire advocates for disabling **mshta.exe** and minimizing the use of Windows Run prompts via Group Policy as effective strategies to mitigate risks. Moreover, conducting regular phishing awareness training, along with adopting next-generation Endpoint Detection and Response (EDR) solutions, can help organizations defend against these advanced threats.

Conclusion: Stay Vigilant and Informed

As we witness the rise of malware campaigns like EVALUSION, it’s critical for both individuals and organizations to remain vigilant. Staying informed about emerging threats and implementing stringent cybersecurity measures can go a long way in safeguarding sensitive information from falling into the hands of cybercriminals.

Cybersecurity Corner

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