Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Java TM runtime VM' = '%APPDATA%\System\jrc.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Updater.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\System\jrc.exe' = '%APPDATA%\System\jrc.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
- %APPDATA%\System\jrc.exe
Executes the following:
- <SYSTEM32>\netsh.exe firewall set opmode disable
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\System\jrc.exe" /t REG_SZ /d "%APPDATA%\System\jrc.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Modifies file system :
Creates the following files:
- %APPDATA%\System\jrc.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Updater.exe
Network activity:
Connects to:
- '46.##.99.250':2501
- 'th####atebay.org':80
- 'wp#d':80
TCP:
HTTP GET requests:
- th####atebay.org/top/301
- wp#d/wpad.dat
UDP:
- DNS ASK th####atebay.org
- DNS ASK www.google.com
- DNS ASK wp#d
- '<Private IP address>':1037
