### Summary
An unverified Adobe Flash update has been executed on several endpoints. This execution is suspected to be part of the Callisto Group's ransomware campaign.

### Findings
- **Execution Method**: The update bypassed standard security checks, indicating sophisticated evasion techniques.
- **Code Review**: Preliminary code analysis shows similarities with known ransomware families, suggesting the dropper is used to deploy DiskCryptor.

### Next Steps
Conduct a detailed reverse engineering of the executed file to confirm its capabilities and potential payloads. Prepare defenses against ransomware activation.