Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '554adc1a7843e191c50620db86ae5861' = '"%APPDATA%\Microsopi.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '554adc1a7843e191c50620db86ae5861' = '"%APPDATA%\Microsopi.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Chrome' = '<Full path to virus>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Chrome' = '%APPDATA%\Microsopi.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\554adc1a7843e191c50620db86ae5861.exe
- %HOMEPATH%\Start Menu\Programs\Startup\Chrome.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Chrome.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Microsopi.exe' = '%APPDATA%\Microsopi.exe:*:Enabled:Microsopi.exe'
Creates and executes the following:
- '%APPDATA%\Microsopi.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Microsopi.exe" "Microsopi.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\Microsopi.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Chrome.exe
Network activity:
Connects to:
- 'fu####.zapto.org':1177
UDP:
- DNS ASK fu####.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
