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Win32.HLLW.Autoruner1.16430

Aggiunto al database dei virus Dr.Web: 2012-05-25

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'YiHui' = 'c:\YiHui.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\YiHui.exe
Malicious functions:
Creates and executes the following:
  • C:\667.exe
  • C:\kq.exe
  • C:\KINSTALLERS_66_4070.exe
  • C:\haoie3112.exe
  • C:\667.exe (downloaded from the Internet)
  • C:\kq.exe (downloaded from the Internet)
  • C:\haoie3112.exe (downloaded from the Internet)
  • C:\KINSTALLERS_66_4070.exe (downloaded from the Internet)
Executes the following:
  • <SYSTEM32>\attrib.exe +r +s +h f:\yihui.exe
  • <SYSTEM32>\attrib.exe +r +s +h e:\yihui.exe
  • <SYSTEM32>\attrib.exe +r +s +h <Drive name for removable media>:\yihui.exe
  • <SYSTEM32>\reg.exe ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v YiHui /t REG_SZ /d c:\YiHui.exe /f
  • <SYSTEM32>\attrib.exe +r +s +h h:\yihui.exe
  • <SYSTEM32>\attrib.exe +r +s +h g:\yihui.exe
  • <SYSTEM32>\attrib.exe +r +s +h c:\yihui.exe
  • <SYSTEM32>\attrib.exe +r +s +h e:\AUTORUN.INf
  • <SYSTEM32>\attrib.exe +r +s +h <Drive name for removable media>:\AUTORUN.INf
  • <SYSTEM32>\cmd.exe /c <Current directory>\YiHui.bat
  • <SYSTEM32>\attrib.exe +r +s +h h:\AUTORUN.INf
  • <SYSTEM32>\attrib.exe +r +s +h g:\AUTORUN.INf
  • <SYSTEM32>\attrib.exe +r +s +h f:\AUTORUN.INf
Modifies file system :
Creates the following files:
  • C:\667.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\667[1].exe
  • <Current directory>\YiHui.inf
  • C:\YiHui.exe
  • <Current directory>\YiHui.bat
  • C:\kq.exe
  • C:\haoie3112.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\haoie3112[1].exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\KINSTALLERS_66_4070[1].exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\kq[1].exe
  • C:\KINSTALLERS_66_4070.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\YiHui.exe
  • C:\YiHui.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • <Current directory>\YiHui.inf
Deletes itself.
Network activity:
Connects to:
  • 'www.cf###ogui.com':80
  • 'localhost':1035
TCP:
HTTP GET requests:
  • www.cf###ogui.com/kk/kq.exe
  • www.cf###ogui.com/kk/667.exe
  • www.cf###ogui.com/kk/haoie3112.exe
  • www.cf###ogui.com/kk/KINSTALLERS_66_4070.exe
UDP:
  • DNS ASK www.cf###ogui.com