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Win32.HLLW.Autoruner1.4839
Added to the Dr.Web virus database:
2011-11-23
Virus description added:
2011-11-30
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel Display Config' = '<SYSTEM32>\igfxsd32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\am46.lnk
<Drive name for removable media>:\am47.lnk
<Drive name for removable media>:\am45.lnk
<Drive name for removable media>:\pdrvmgr.exe
<Drive name for removable media>:\l.cpl
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxsd32.exe' = '<SYSTEM32>\igfxsd32.exe:*:Enabled:Intel Display Config'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxsd32.exe' = '<SYSTEM32>\igfxsd32.exe:*:Enabled:Intel Display Config'
Creates and executes the following:
<SYSTEM32>\igfxsd32.exe <Full path to virus>
Injects code into
the following system processes:
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>\igfxsd32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\5x2[1].zip
<SYSTEM32>\igfxsd32.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\l.cpl
<SYSTEM32>\igfxsd32.exe
Deletes itself.
Network activity:
Connects to:
'any':6303
'vp####.#ntelbackupsrv.su':80
's8#.##telprog.su':3654
TCP:
HTTP GET requests:
vp####.#ntelbackupsrv.su/net/5x2.zip
UDP:
DNS ASK s5#.##telprog.su
DNS ASK vp####.#ntelbackupsrv.su
DNS ASK s8#.##telprog.su
'<Private IP address>':1038
'<Private IP address>':1037
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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