Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '73b6fd2b304c3d7d1822d43751c6ac40' = '"%APPDATA%\explorerr.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '73b6fd2b304c3d7d1822d43751c6ac40' = '"%APPDATA%\explorerr.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\73b6fd2b304c3d7d1822d43751c6ac40.exe
Creates the following files on removable media:
- <Drive name for removable media>:\73b6fd2b304c3d7d1822d43751c6ac40.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\explorerr.exe' = '%APPDATA%\explorerr.exe:*:Enabled:explorerr.exe'
Creates and executes the following:
- '%APPDATA%\explorerr.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\explorerr.exe" "explorerr.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\explorerr.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\73b6fd2b304c3d7d1822d43751c6ac40.exe
Network activity:
Connects to:
- 'ga#####-dean.no-ip.org':1177
UDP:
- DNS ASK ga#####-dean.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'