Meine Bibliothek
Meine Bibliothek

+ Zur Bibliothek hinzufügen

Support

Ihre Anfragen

Rufen Sie uns an

+7 (495) 789-45-86

Profil

Win32.HLLW.Autoruner1.17796

Added to the Dr.Web virus database: 2012-06-24

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 files on removable media:
  • <Drive name for removable media>:\qstkj.pif
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\IXP000.TMP\COPYOF~1.EXE' = '%TEMP%\IXP000.TMP\COPYOF~1.EXE:*:Enabled:ipsec'
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
blocks the following features:
  • User Account Control (UAC)
Creates and executes the following:
  • %TEMP%\IXP000.TMP\COPYOF~1.EXE
Executes the following:
  • <SYSTEM32>\winmine.exe
Injects code into
the following system processes:
  • <SYSTEM32>\cscript.exe
a large number of user processes.
Searches for windows to
detect analytical utilities:
  • ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
  • ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass' WindowName: ''
  • ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'GBDYLLO' WindowName: ''
  • ClassName: 'OLLYDBG' WindowName: ''
  • ClassName: 'FilemonClass' WindowName: ''
  • ClassName: 'pediy06' WindowName: ''
Hides the following processes:
  • %TEMP%\IXP000.TMP\COPYOF~1.EXE
Modifies file system :
Creates the following files:
  • <SYSTEM32>\Bifrost\server.exe
  • %TEMP%\ewwkn.exe
  • %TEMP%\IXP000.TMP\COPYOF~1.EXE
  • %APPDATA%\addons.dat
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\qstkj.pif
  • <SYSTEM32>\Bifrost\server.exe
  • %APPDATA%\addons.dat
Deletes the following files:
  • %TEMP%\ewwkn.exe
Network activity:
Connects to:
  • 'si#####ilent.no-ip.info':81
UDP:
  • DNS ASK si#####ilent.no-ip.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '18467-41' WindowName: ''