A recent report published by experts at Kaspersky Lab revealed that the number of abuses for digital certificates is in constant increase. The number of untrusted certificates used to sign malicious code is doubled in the last year. The experts revealed that by the end of 2014 they have discovered more than 6,000 digital certificates. The company is warning system administrators and users not to trust digital any application only because it is digitally signed. The process for digitally sign the source of any application is composed by the following steps: The software developer compiles the file.”]
Source: https://securityaffairs.co/wordpress/33107/malware/abuses-digital-certificates.html