From the doc: 'You upload Yahoo.exe to any pc and run it normally. Then it will popup a small window and ask for Yahoo! login and password. When the user type in login and password and click Submit ,it will save the information into a .txt file in windows directory called COMSETUP y'
Trojan Horse [Panda]Trojan.Win32.Fakeyah.b [Kaspersky]Win32/Fakeyah.b!Trojan [Computer Associates]
yahoo.exe