When first run Troj/Agent-GXN copies itself to:
<User>\cftmon.exe
<System>\drivers\spools.exe
and creates the following files:
<User>\ftp34.dll - also detected as Troj/Agent-GXN
<System>\ftp34.dll - also detected as Troj/Agent-GXN
The following registry entries are created to run cftmon.exe and spools.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ntuser
<System>\drivers\spools.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
autoload
<User>\cftmon.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ntuser
<System>\drivers\spools.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
autoload
<User>\cftmon.exe
The following registry entry is set or modified, so that cftmon.exe is run when files with extensions of EXE are opened/launched:
HKCR\exefile\shell\open\command
(default)
<User>\cftmon.exe "%1" %*
The file spools.exe is registered as a service named "Schedule" (replacing any existing services named "Schedule"). Registry entries are created or modified under:
HKLM\SYSTEM\CurrentControlSet\Services\Schedule