Machine viruses can infect any file. However, viruses their most likely targets are data files and executable files. An example of a data file is a term processing document or a spreadsheet file. Executable files, on the other palm, are software programs that perform a function when executed. Whether the infection is in a data or executable file, a reliable antivirus firewall software application can easily detect the presence of viruses in files. More information: click here for more…