Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'YahooUpdate' = '%PROGRAM_FILES%\YahooUpdate.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\adfcode[1].txt
- %PROGRAM_FILES%\YahooUpdate.exe
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\YahooUpdate.exe
Network activity:
Connects to:
- '74.##5.232.51':80
TCP:
HTTP GET requests:
- 74.##5.232.51/site/databintuandzr/adfcode.txt
UDP:
- DNS ASK si###.google.com
- DNS ASK go###e.com.vn
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
