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Win32.HLLW.Autoruner2.7412
Added to the Dr.Web virus database:
2014-02-19
Virus description added:
2014-02-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '92ba23dd2727bbe6f31e4d6c139021cb' = '"%TEMP%\System32.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '92ba23dd2727bbe6f31e4d6c139021cb' = '"%TEMP%\System32.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\92ba23dd2727bbe6f31e4d6c139021cb.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\System32.exe' = '%TEMP%\System32.exe:*:Enabled:System32.exe'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\System32.exe" "System32.exe" ENABLE
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\google[1]
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\google[1]
%TEMP%\System32.exe
Sets the 'hidden' attribute to the following files:
%TEMP%\System32.exe
<Full path to virus>
Deletes the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\google[1]
Network activity:
Connects to:
'localhost':1038
'go####7.no-ip.org':9500
'localhost':1035
'74.##5.232.51':80
TCP:
UDP:
DNS ASK go####7.no-ip.org
DNS ASK www.google.com
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'IEFrame' WindowName: '(null)'
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