Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = '%SystemRoot%\system32\explorer.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\md.exe
Malicious functions:
Executes the following:
- <SYSTEM32>\taskkill.exe /im narrator.exe /f
- <SYSTEM32>\taskkill.exe /im taskmgr.exe /f
- <SYSTEM32>\taskkill.exe /im regedit.exe /f
- <SYSTEM32>\taskkill.exe /im sethc.exe /f
- <SYSTEM32>\taskkill.exe /im rundll32.exe /f
- <SYSTEM32>\taskkill.exe /im utilman.exe /f
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\drwtsn32.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\explorer.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\n3283[1].gif
- %WINDIR%\Debug\UserMode\explorer.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\md.exe
Network activity:
Connects to:
- 'ht##z.ru':80
- 'localhost':1035
TCP:
HTTP GET requests:
- ht##z.ru/n3283.gif?<<######################
UDP:
- DNS ASK ht##z.ru
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''