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Win32.HLLW.Autoruner1.23680
Added to the Dr.Web virus database:
2012-07-21
Virus description added:
2012-08-11
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows iMedia Utility' = '<SYSTEM32>\wmpbu32.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\~DeviceMon.{645FF040-5081-101B-9F08-00AA002F954E}\dev-i20673902.id
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpbu32.exe' = '<SYSTEM32>\wmpbu32.exe:*:Enabled:Windows iMedia Utility'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wmpbu32.exe' = '<SYSTEM32>\wmpbu32.exe:*:Enabled:Windows iMedia Utility'
Creates and executes the following:
<SYSTEM32>\wmpbu32.exe <Full path to virus>
Executes the following:
<SYSTEM32>\net.exe stop OutpostFirewall
<SYSTEM32>\sc.exe delete ekrn
<SYSTEM32>\sc.exe config ekrn start= disabled
<SYSTEM32>\sc.exe stop OutpostFirewall
<SYSTEM32>\sc.exe delete OutpostFirewall
<SYSTEM32>\net1.exe stop OutpostFirewall
<SYSTEM32>\sc.exe config OutpostFirewall start= disabled
<SYSTEM32>\net1.exe stop ekrn
<SYSTEM32>\sc.exe config NOD32krn start= disabled
<SYSTEM32>\sc.exe stop NOD32krn
<SYSTEM32>\net.exe stop NOD32krn
<SYSTEM32>\net1.exe stop NOD32krn
<SYSTEM32>\sc.exe stop ekrn
<SYSTEM32>\net.exe stop ekrn
<SYSTEM32>\sc.exe delete NOD32krn
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>\wmpbu32.exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\0xe2[1].txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\0xe2[1].zip
<SYSTEM32>\wmpbu32.exe
Sets the 'hidden' attribute to the following files:
Deletes itself.
Network activity:
Connects to:
'45.##.235.77':5949
'66.##8.53.114':80
'1.##6.35.98':80
'45.##.235.76':33925
TCP:
HTTP GET requests:
66.##8.53.114/ip/0xe2.txt
1.##6.35.98/css/0xe2.zip
UDP:
DNS ASK 4a###.3U07elszGN.su
DNS ASK EL###.3U07elszGN.su
DNS ASK jm########0.level6-co2-as85026.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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