Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = ''
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' setupapi.dll,InstallHinfSection DefaultUninstall 132 %WINDIR%\INF\PCHealth.inf/S
- '<SYSTEM32>\cscript.exe' %TEMP%\1.vbs
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\0[1]
- %TEMP%\1.vbs
Deletes the following files:
- %TEMP%\1.vbs
Network activity:
Connects to:
- '18####ult2008.com':80
- 'localhost':1036
TCP:
HTTP GET requests:
- 18####ult2008.com/freemovie/697/0/
UDP:
- DNS ASK 18####ult2008.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Error 118'
