Pay2Key 7-Zip SFX Masquerading as Google Chrome Update

Ibrahim Saud@tektrix

•updated Jun 28, 2026•1•0•2

Detects the execution of 7-Zip self-extracting archive components (specifically a specific version of 7ZSfxMod) extracted to a temporary directory structure mimicking Google Chrome updates. This pattern is associated with the Pay2Key ransomware infection chain, where setup.cmd and 7za.exe are dropped to facilitate malicious activity.