Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\winuhy32] 'Startup' = 'fargXV'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\winuhy32] 'DllName' = 'winuhy32.dll'
Malicious functions:
Executes the following:
- '<SYSTEM32>\cmd.exe' /c "%TEMP%\MGD1.bat"
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\cmd[1].php
- %TEMP%\MGD1.bat
- %TEMP%\MGD1.tmp
- <SYSTEM32>\winuhy32.dll
Deletes the following files:
- %TEMP%\MGD1.tmp
Network activity:
Connects to:
- 'sa###oft.net':80
- 'localhost':1036
TCP:
HTTP GET requests:
- sa###oft.net/img/cmd.php?c=#########################################
UDP:
- DNS ASK sa###oft.net
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'PROGMAN' WindowName: '(null)'
- ClassName: 'IEFrame' WindowName: '(null)'
- ClassName: 'MozillaUIWindowClass' WindowName: '(null)'
