This type of whitelisting is provided to a limited number of digital signatures, and only if the software developer has a clean track record.Īnalysts for Avast and AVG Threat Labs review submitted files and software for malicious or unwanted activity. Software developers who sign their applications with digital certificates can apply for whitelisting via their digital signature. Avast and AVG file whitelisting is a service provided mainly to software developers to reduce the risk of false positive detections.