Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '%ALLUSERSPROFILE%\Application Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG00'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\msconfig.lnk
Malicious functions:
Creates and executes the following:
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG03
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG04
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG06
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG00
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG01
- '%ALLUSERSPROFILE%\Application Data\rundll32.exe' Data\rundll32.exe %ALLUSERSPROFILE%\Application Data\jldto.dat,FG02
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Application Data\otdlj.pad
- %ALLUSERSPROFILE%\Application Data\otdlj.js
- %ALLUSERSPROFILE%\Application Data\rundll32.exe
- %ALLUSERSPROFILE%\Application Data\jldto.dat
Network activity:
Connects to:
- '37.##9.53.102':80
- '66.##7.215.165':443
- '66.##7.215.165':80
Miscellaneous:
Searches for the following windows:
- ClassName: 'ReBarWindow32' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Type32_Main_Window' WindowName: '(null)'
- ClassName: 'WMP9DeskBand' WindowName: 'WMP9DeskBand'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'