Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\htoad] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\htuad] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\stuad] 'Start' = '00000002'
Creates the following files on removable media:
- <Drive name for removable media>:\RECYCLER\W
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Complete Server For Remote Administration via the Internet or LANWin32'
Creates and executes the following:
- '%WINDIR%\<Virus name>.exe'
Modifies file system :
Creates the following files:
- <SYSTEM32>\svshost
- %WINDIR%\inf\Cyzpait.inf
- %WINDIR%\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
Moves the following files:
- from <SYSTEM32>\svshost to <SYSTEM32>\svshost.exe
Network activity:
Connects to:
- 'www.pr###ysoft.com':21
UDP:
- DNS ASK www.pr###ysoft.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
