Symantec Endpoint Protection or Endpoint Security (SEP/SES) for Mac causes sync of Google Drive files when full scan is run
The scan is triggering the file synchronization to retrieve file content to scan.
SEP/SES for Mac
Configure the following exceptions for all SEP scan types:
/Volumes/GoogleDrive/
/Users/*/Library/Application Support/Google/DriveFS/
/System/Volumes/Data/Volumes/GoogleDrive/
/private/var/root/Library/Application Support/Google/DriveFS/