Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft SecureAssist' = '%APPDATA%\winlogon.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft SecureAssist' = '%APPDATA%\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Updates\Drivers\System.exe
- <Drive name for removable media>:\Updates\Drivers\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\winlogon.exe
Modifies file system :
Creates the following files:
- %APPDATA%\winlogon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Updates\Drivers\System.exe
- %APPDATA%\winlogon.exe
Network activity:
Connects to:
- 'zi#####ave.no-ip.info':1995
UDP:
- DNS ASK zi#####ave.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
