from the doc: 'YAASF mean Yet Another Advanced SMTP Flooder. YAASF is a fast, open source bomber. YASMS mean Yet Another Simple Mail Scanner. YASMS is a simple, open source mail-server(s) scanner. YASMK mean Yet Another Simple Mail Killer. YASMK is a fast and simple open source unbomber.'
FDoS-Yaa [McAfee]FDoS-Yaa trojan [McAfee]Flooder.YaasfFlooder.Yaasf [Kaspersky]Flooder/Yaasf [Panda]security risk or a "backdoor" program [F-Prot]Win32/Yaasf!Flooder!Trojan [Computer Associates]Yet Another Advanced SMTP Flooder
yaasf.exeyasmk.exeyasms.exe