Troj/Certif-M is a password stealing Trojan for the Windows platform.
When first run Troj/Certif-M copies itself to <System>\ahui32.exe.
The following registry entry is created to run ahui32.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ahui32.exe
<System>\ahui32.exe
The following registry entry is set:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion
pname
ahui32.exe