Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'rundll32.exe' = '%APPDATA%\Microsoft\rundll32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\rundll32.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\Microsoft\rundll32.exe
Modifies file system :
Creates the following files:
- %APPDATA%\Microsoft\rundll32.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\rundll32.exe
- %APPDATA%\Microsoft\rundll32.exe
Deletes the following files:
- %APPDATA%\Microsoft\rundll32.exe
Network activity:
Connects to:
- 'yo####t.no-ip.biz':21
UDP:
- DNS ASK yo####t.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
