Troj/Banklis-A is a Trojan for the Windows platform.
When first run Troj/Banklis-A copies itself to <System>\Perfhmon.exe.
The following registry entry is created to run Perfhmon.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Perfhmon
<System>\Perfhmon.exe
The Trojan monitors internet sessions and steals login credentials when certain banking sites are visited.