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Win32.HLLW.Autoruner2.15231

Added to the Dr.Web virus database: 2014-06-03

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Lationalqlo] 'Start' = '00000002'
Creates the following files on removable media:
  • <Drive name for removable media>:\recycle.{645FF040-5081-101B-9F08-00AA002F954E}\GHOSTBAK.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • '%TEMP%\IXP000.TMP\Nestor.exe'
  • '<SYSTEM32>\kkagks.exe'
  • '%TEMP%\IXP000.TMP\Rdsers.exe'
Terminates or attempts to terminate
the following user processes:
  • 360tray.exe
  • AVP.EXE
Modifies file system :
Creates the following files:
  • \Device\LanmanRedirector\WORKGROUP*\MAILSLOT\NET\NETLOGON
  • C:\54cz.exe
  • <SYSTEM32>\kkagks.exe
  • %TEMP%\IXP000.TMP\Nestor.exe
  • %TEMP%\IXP000.TMP\Rdsers.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'zw####8.8866.org':5148
  • 'any':4851
  • 'any':5148
  • 'xz####0.8866.org':4851
  • '<Private IP address>':445
  • '<Private IP address>':139
  • '<Private IP address>':80
UDP:
  • DNS ASK zw####8.8866.org
  • DNS ASK xz####0.8866.org