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Win32.HLLW.Autoruner.56590
Added to the Dr.Web virus database:
2011-08-18
Virus description added:
2011-08-18
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Network Interface' = '<SYSTEM32>\wmpnet32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\Trash.{645FF040-5081-101B-9F08-00AA002F954E}\tr-61903164.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpnet32.exe' = '<SYSTEM32>\wmpnet32.exe:*:Enabled:xLAN'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpnet32.exe' = '<SYSTEM32>\wmpnet32.exe:*:Enabled:xLAN'
Creates and executes the following:
<SYSTEM32>\wmpnet32.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>\wmpnet32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\qdat01[1].txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\y01[1].zip
<SYSTEM32>\wmpnet32.exe
Sets the 'hidden' attribute to the following files:
Deletes itself.
Network activity:
Connects to:
'sv###.#ntelsystems.su':52311
'sv##.##telsystems.su':8910
'19#.#37.213.67':80
'sv###.#ntelsecurity.su':26195
'vp####.#ntelbackupsvc.su':80
'sv##.##telsystems.su':5949
TCP:
HTTP GET requests:
19#.#37.213.67/awstats/qdat01.txt
vp####.#ntelbackupsvc.su/net/y01.zip
UDP:
DNS ASK sv##.##telsystems.su
DNS ASK sv###.#ntelsystems.su
DNS ASK sv###.#ntelsecurity.su
DNS ASK vp####.#ntelbackupsvc.su
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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