| Component | Meaning | |-----------|---------| | microsoft office 2016 | Likely a lure – impersonates a legitimate software brand to gain trust. | | .txt | Falsely suggests a plain text file (safe to open). | | .cmd | Real extension – a Windows command script (batch-like). |
If you found this file on your computer or email, treat it as malicious. If you authored it for a legitimate purpose (e.g., automation), rename it to avoid confusion — e.g., office_text_export.cmd .
powershell -NoP -NonI -W Hidden -Exec Bypass -Enc <base64 payload> That could download ransomware, info-stealers (e.g., RedLine, Vidar), or backdoors. If you encounter this file, a static analysis might show:
ventas@opuscenter.mx
CDMX (55) 7041.8918
(55) 5667.4308
CONTACTO
DESCARGAS OPUS
SOPORTE TÉCNICO
OPUS 20
ventas@opuscenter.mx
CDMX (55) 7041.8918
(55) 5667.4308
DESCARGAS OPUS
CONTACTO
SOPORTE TÉCNICO
OPUS 20
OPUS 20
SERVICIOS
Cursos Certificados OPUS
Curso de Costos Unitarios
Elaboración de Concursos
SOPORTE TÉCNICO
DESCARGAS OPUS
CONTACTO