Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Adobe Update' = 'C:\InstallDir\Dllhost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Java Update' = 'C:\InstallDir\Dllhost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Adobe' = 'C:\InstallDir\Dllhost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Windows Update' = 'C:\InstallDir\Dllhost.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Microsoft Corporation.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Notepad.exe
Malicious functions:
Executes the following:
- 'C:\InstallDir\Dllhost.exe'
Modifies file system:
Creates the following files:
- C:\Notepad.exe
- C:\InstallDir\Dllhost.exe
Network activity:
Connects to:
- 'st####tep.ddns.net':1604
UDP:
- DNS ASK st####tep.ddns.net
