Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%WINDIR%\winlogon2.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%WINDIR%\winlogon2.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <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:
- %WINDIR%\winlogon2.exe
Modifies file system :
Creates the following files:
- %WINDIR%\winlogon2.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Updates\Drivers\System.exe
- %WINDIR%\winlogon2.exe
Network activity:
Connects to:
- '63.##3.120.132':6969
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'BitDefender Firewall Alert'
- ClassName: '' WindowName: 'Windows Security Alert'
