Malware
SaiGon
FireEye reports SaiGon as a variant of ISFB v3 (versions documented are tagged 3.50.132) that is more a generic backdoor than being focused on enabling banking fraud.
SaiGon is a Windows malware family.
Background
According to FireEye, SaiGon is a derivative of ISFB v3 (the documented builds carry the tag 3.50.132) that functions as a general-purpose backdoor rather than being geared specifically toward banking fraud.
Source: Malpedia (Fraunhofer FKIE).