W32.SAPE.Cloud9.28 is a heuristic detection designed to generically detect malicious files. A file detected by this detection name is deemed by Symantec to pose a risk to users and is therefore blocked from accessing the computer.
Files that are detected as W32.SAPE.Cloud9.28 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
Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":