Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'FrmWork' = '%WINDIR%\FrameworkServices.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'srvird' = '%WINDIR%\drivers.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %TEMP%\RarSFX0\ntservice.exe
- %TEMP%\RarSFX0\config.exe
Executes the following:
- <SYSTEM32>\net.exe stop SharedAccess
- <SYSTEM32>\net1.exe stop SharedAccess
- <SYSTEM32>\taskkill.exe /F /IM FrameworkServices.exe
- <SYSTEM32>\taskkill.exe /F /IM dllservice.exe
- <SYSTEM32>\taskkill.exe /F /IM restore.exe
Modifies file system :
Creates the following files:
- %WINDIR%\drivers.exe
- C:\autorun.inf
- %TEMP%\RarSFX0\config.exe
- %TEMP%\RarSFX0\MSWINSCK.OCX
- %TEMP%\RarSFX0\ntservice.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- C:\autorun.inf
- %WINDIR%\drivers.exe
Network activity:
Connects to:
- 'su####98.no-ip.org':890
UDP:
- DNS ASK su####98.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'EDIT' WindowName: ''