Heur.advml.c Detection
Heur.advml.c is the designation given to a heuristic detection that can be brought up by some antivirus applications. In most cases, this is a false positive.
Heuristic detection in antivirus software works very differently compared to traditional detections that are often based on file hashes and definitions. The reason why antivirus software uses heuristic detection is the added layer of advance protection from threats that share certain characteristics with known malware.
However, in a lot of cases, heuristic detections can be false positives. This is because they are, to simplify things as much as possible, part guesswork. That is why a lot of legitimate applications or harmless executables and other files can trigger a heuristic detection.
If you have serious doubts about a detection similar to Heur.advml.c, simply run the suspicious file through at least one other antivirus tool or submit it to an online threat analysis portal such as Virustotal and have it examined by multiple tools.
Chances are, it was a false positive and the file is harmless.