If files on your Windows computer were infected with malware but you sync them to Google Drive, you may be able to recover those files.
Step 1: Download the latest Microsoft security updates
Before you restore your files, make sure you remove the malware from your computer.
Step 2: Try to restore files from the trash
Some harmful software puts your original files in the trash and replaces them with encrypted versions.
Step 3: Restore older versions
If your files aren’t in the trash, you can try to restore an older version from drive.google.com.