Downloader.Parshell!g3 is a heuristic detection used to detect threats associated with the Downloader.Parshell
family of threats.
Files that are detected as Downloader.Parshell!g3 are considered malicious. We suggest that any files you believe are incorrectly detected be submitted to Symantec Security Response. For instructions on how to do this using Scan and Deliver, read Submit Virus Samples