Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Lying' = ''
Creates the following files on removable media:
- <Drive name for removable media>:\system.exe
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%PROGRAM_FILES%\WindowsUpdate\1.exe'
- '%TEMP%\system.exe'
- '%PROGRAM_FILES%\WindowsUpdate\1.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\cmd.exe' /c %TEMP%\~Lying.bAt
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\xx[1].exe
- %PROGRAM_FILES%\WindowsUpdate\1.exe
- %TEMP%\system.exe
- %TEMP%\~Lying.bAt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\system.exe
- %TEMP%\system.exe
- %TEMP%\~Lying.bAt
Deletes itself.
Network activity:
Connects to:
- 'www.xx#.com':80
- 'localhost':1036
TCP:
HTTP GET requests:
- www.xx#.com/xx.exe
UDP:
- DNS ASK www.xx#.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'IEFrame' WindowName: '(null)'
