Critical

A VBScript campaign distributed through WhatsApp deploying RMM software

Securelist

June 22, 2026 at 10:00 AM

Actively Exploited

Overview

A recent analysis by a Kaspersky researcher has uncovered a global malicious campaign that spreads VBScript files through WhatsApp. These scripts are designed to install a Remote Monitoring and Management (RMM) software, specifically a UEMS agent, via a multi-step infection process. This type of malware could allow attackers to gain control over infected devices, posing significant risks to both individual users and organizations. The use of popular messaging platforms like WhatsApp for distribution makes this attack particularly concerning, as it can easily bypass traditional security measures. Users need to be cautious about unexpected messages and attachments on these platforms to protect themselves from this ongoing threat.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: VBScript files, Remote Monitoring and Management (RMM) software, UEMS agent
Action Required: Users should avoid opening unknown attachments and links in WhatsApp messages.
Timeline: Newly disclosed

Original Article Summary

A Kaspersky researcher analyzes a global malicious campaign that distributes VBS scripts via WhatsApp delivering a UEMS RMM agent through a multi-stage infection chain.

Impact

VBScript files, Remote Monitoring and Management (RMM) software, UEMS agent

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Users should avoid opening unknown attachments and links in WhatsApp messages. Organizations should implement security measures to monitor and block malicious scripts.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Malware, Kaspersky.

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