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Win32.HLLW.Autoruner.62532

Added to the Dr.Web virus database: 2011-10-07

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel Device Display' = '<SYSTEM32>\igfxck32.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\a-48.lnk
  • <Drive name for removable media>:\a-47.lnk
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\Data.{645FF040-5081-101B-9F08-00AA002F954E}\3gf4T16t9y1gK.dat
  • <Drive name for removable media>:\v.cpl
  • <Drive name for removable media>:\SysDrv32.exe
  • <Drive name for removable media>:\a-46.lnk
  • <Drive name for removable media>:\a-45.lnk
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxck32.exe' = '<SYSTEM32>\igfxck32.exe:*:Enabled:aLan'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxck32.exe' = '<SYSTEM32>\igfxck32.exe:*:Enabled:aLan'
Creates and executes the following:
  • <SYSTEM32>\igfxck32.exe <Full path to virus>
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Searches for windows to
detect analytical utilities:
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
detect programs and games:
  • ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Hides the following processes:
  • <Full path to virus>
  • <SYSTEM32>\igfxck32.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\3x1[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\qdat01[1].txt
  • <SYSTEM32>\igfxck32.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\3x1[1].zip
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\v.cpl
  • <SYSTEM32>\igfxck32.exe
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\3x1[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\3x1[1].zip
Deletes itself.
Network activity:
Connects to:
  • 'sv##.##telsystems.su':8910
  • 'sv###.#ntelsystems.su':52311
  • '14#.#48.35.28':80
  • 'sv##.##telsecurity.su':41040
  • 'vp####.#ntelbackupsvc.su':80
  • 'sv###.#ntelsecurity.su':26195
  • 'sv##.##telsecurity.su':32132
TCP:
HTTP GET requests:
  • 14#.#48.35.28/awstats/qdat01.txt
  • vp####.#ntelbackupsvc.su/net/3x1.zip
UDP:
  • DNS ASK sv##.##telsecurity.su
  • DNS ASK sv##.##telsystems.su
  • DNS ASK sv###.#ntelsystems.su
  • DNS ASK vp####.#ntelbackupsvc.su
  • DNS ASK sv###.#ntelsecurity.su
  • '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
  • ClassName: 'TCPViewClass' WindowName: ''
  • ClassName: '#32770' WindowName: 'Regshot 1.8.2'
  • ClassName: 'PROCEXPL' WindowName: ''
  • ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
  • ClassName: 'SmartSniff' WindowName: 'SmartSniff'
  • ClassName: 'CurrPorts' WindowName: 'CurrPorts'
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