AnalysisW32/LegMir.12!dam is classified as damaged malware.
Damaged version of this malware variants may arrive in an email as if it were the fully functional malware. However, the file is truncated and cannot run.
The Fortinet Anti-Virus Analyst Team is currently in the process of creating a detailed description for this virus.
- Check the main screen using the web interface for your FortiGate unit to ensure that the latest AV/NIDS database has been downloaded and installed on your system - if required, enable the "Allow Push Update" option.
- Quarantine/delete files that are detected and replace infected files with clean backup copies.