Pulsif.zip is a malicious ZIP archive that utilizes a technique known as (CVE-2026-0866) to remain invisible to antivirus (AV) and Endpoint Detection and Response (EDR) software.
Because the ZIP header is malformed, nearly 95% to 98% of common antivirus engines fail to detect the malware hidden inside during the initial scan. Pulsif.zip
The "Pulsif.zip" Threat: What You Need to Know In the early months of 2026, cybersecurity experts identified a sophisticated new delivery mechanism for malware dubbed (often referred to in technical circles as part of the "Zombie ZIP" family). This threat represents a significant evolution in how attackers bypass traditional security scanners. What is Pulsif.zip? Pulsif