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Win32.HLLW.Autoruner.57485

Added to the Dr.Web virus database: 2011-09-01

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel Driver Manager' = '<SYSTEM32>\igfxdpc32.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\~Config\jZiAnVpAiqAl.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxdpc32.exe' = '<SYSTEM32>\igfxdpc32.exe:*:Enabled:VLAN'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxdpc32.exe' = '<SYSTEM32>\igfxdpc32.exe:*:Enabled:VLAN'
Creates and executes the following:
  • <SYSTEM32>\igfxdpc32.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: ''
  • ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'OLLYDBG' WindowName: ''
  • ClassName: 'TIdaWindow' WindowName: ''
  • ClassName: 'FileMonClass' WindowName: ''
detect programs and games:
  • ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Hides the following processes:
  • <Full path to virus>
  • <SYSTEM32>\igfxdpc32.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\vc1[1].exe
  • C:\cwsandbox\cwsandbox.exe
  • <SYSTEM32>\igfxdpc32.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\igfxdpc32.exe
Deletes itself.
Network activity:
Connects to:
  • 's1#.#bersexy.su':5949
  • 's2.###tchawanta.su':4001
  • 's2#.#bersexy.su':8910
  • 's1#.##ntchawanta.su':33925
  • 'up#.#bersexy.su':80
  • 's9.##ersexy.su':4999
TCP:
HTTP GET requests:
  • up#.#bersexy.su/net/vc1.exe
UDP:
  • DNS ASK s1#.#bersexy.su
  • DNS ASK s2.###tchawanta.su
  • DNS ASK s2#.#bersexy.su
  • DNS ASK s1#.##ntchawanta.su
  • DNS ASK up#.#bersexy.su
  • DNS ASK s9.##ersexy.su
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ' Import REConstructor V1.6 Final MackT/uCF -- >> UnREal-RCE << --'
  • ClassName: '' WindowName: 'CHimpREC - ReCon Edition - (C) 2008 TiGa'
  • ClassName: '' WindowName: 'RE-Pair 0.6: IDP '
  • ClassName: '' WindowName: 'RL!dePacker - Generic Unpacker'
  • ClassName: '' WindowName: 'Import REConstructor v1.6 FINAL (C) 2001-2003 MackT/uCF'
  • ClassName: '' WindowName: 'Import REConstructor v1.6.1 FIXED FINAL (C) 2001-2003 MackT/uCF / 2006'
  • ClassName: '' WindowName: 'RE-Pair 0.6: IDP not '
  • 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'
  • ClassName: 'WinDbgFrameClass' WindowName: ''
  • ClassName: 'IdaView' WindowName: ''
  • ClassName: '18467-41' WindowName: ''
  • ClassName: 'WispWindowClass' WindowName: ''
  • ClassName: 'ID' WindowName: ''
  • ClassName: 'MYDEBUG' WindowName: ''
  • ClassName: 'API_TRACE_MAIN' WindowName: ''
  • ClassName: '' WindowName: 'QuickUnpack 2.2'
  • ClassName: '' WindowName: 'CDW'
  • ClassName: '' WindowName: '[PeCompact 2.x Unpacker]'
  • ClassName: '' WindowName: 'Rock Debugger - [Disassembly]'
  • ClassName: '' WindowName: 'POISON?B?? - [Professional Edition]'
  • ClassName: '' WindowName: 'PhantOm - [Professional Edition]'