: Rare .rar files from unknown download portals are common vectors for malware. Always run the file through an automated malware analysis service to check for malicious indicators like powershell bypasses or macro triggers.
: A specific version of the YouSign client or a similar signature API pre-configured for a corporate environment. sc24476-YSAPI.rar
: A fix or update for an older system that relies on the YSAPI gateway. : Rare