Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinUpdate' = '<SYSTEM32>\dlllhost.EXE'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\FILENAME IN FLASh.EXE
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Registry Editor (RegEdit)
blocks the following features:
- Windows Security Center
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- <SYSTEM32>\dlllhost.EXE
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\FILENAME IN FLASh.EXE
- <SYSTEM32>\dlllhost.EXE
- <Drive name for removable media>:\Autorun.inf
