Virus Removal and File Recovery

My Windows-based SMS panel has been infected by an unknown virus, resulting in the loss of all my files. I need an expert to:

- Identify and clear the virus from the system
- Restore my files using recent backups

Ideal skills and experience:
- Expertise in Windows OS and virus removal
- Experience with SMS panels
- Proficient in file recovery from backups

Please ensure the system is secure post-recovery.