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Win32.HLLW.Autoruner.64405
Added to the Dr.Web virus database:
2011-10-21
Virus description added:
2011-10-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Wifi Assistant' = '<SYSTEM32>\wmpdth32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\ah48.lnk
<Drive name for removable media>:\ah47.lnk
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\TmpSys.{645FF040-5081-101B-9F08-00AA002F954E}\tmpsys-329501.dat
<Drive name for removable media>:\w.cpl
<Drive name for removable media>:\ntsys.exe
<Drive name for removable media>:\ah46.lnk
<Drive name for removable media>:\ah45.lnk
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpdth32.exe' = '<SYSTEM32>\wmpdth32.exe:*:Enabled:tLAN'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpdth32.exe' = '<SYSTEM32>\wmpdth32.exe:*:Enabled:tLAN'
Creates and executes the following:
<SYSTEM32>\wmpdth32.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>\wmpdth32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\u[1].zip
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\u[1].zip
<SYSTEM32>\wmpdth32.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\w.cpl
<SYSTEM32>\wmpdth32.exe
Deletes the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\u[1].zip
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\u[1].zip
Deletes itself.
Network activity:
Connects to:
'ip.#-4.su':8282
'dn#.0-4.su':47221
'ip.#7a.su':6262
'dn#.10r.su':8282
'p5#.ru':80
'zo##.10r.su':47221
'lo#.0-4.su':9292
TCP:
UDP:
DNS ASK ip.#-4.su
DNS ASK dn#.10r.su
DNS ASK ip.#7a.su
DNS ASK dn#.0-4.su
DNS ASK p5#.ru
DNS ASK zo##.10r.su
DNS ASK lo#.0-4.su
'<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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