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Threat Actors Advertising AI-Enhanced Metamorphic Crypter with Claims of Windows Defender Bypass

ID: 96f84678-2756-5dad-b974-17993ccd41f9

STIX ID: report--96f84678-2756-5dad-b974-17993ccd41f9

Feed Name: cybersecurityNews.com

Threat Score
75/100

Date Published: 2025-12-31

Date Updated: 2026-04-21

Author: Tushar Subhra Dutta

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Threat actors are advertising an AI-driven metamorphic crypter called InternalWhisper x ImpactSolutions on underground forums; the service dynamically rewrites malicious code during compilation to produce unique, signature-less Windows binaries. The commercial web-based platform supports native and .NET payloads, advanced loaders (direct syscalls, process hollowing, signed sideloading), AES-256 and runtime string encryption, anti-analysis checks, persistence options, and metadata/certificate spoofing, raising serious concerns about broadening access to high-end evasion capabilities.

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