Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysConfig' = '%WINDIR%\USER-4BB09A9C02.exe .xxx'
Creates the following files on removable media:
- <Drive name for removable media>:\FB_Picker.EXE
- <Drive name for removable media>:\Autorun.Inf
- <Drive name for removable media>:\DUMP.EXE
Malicious functions:
Creates and executes the following:
- %WINDIR%\USER-4BB09A9C02.exe .xxx
Modifies file system :
Creates the following files:
- C:\DUMP.EXE
- C:\Autorun.Inf
- %WINDIR%\USER-4BB09A9C02.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\DUMP.EXE
- <Drive name for removable media>:\Autorun.Inf
- C:\DUMP.EXE
- C:\Autorun.Inf
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
