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Win32.HLLW.Autoruner2.12912
Added to the Dr.Web virus database:
2014-04-25
Virus description added:
2014-04-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '97020a0739c1b4e4867d5c7623b51865' = '"%TEMP%\Windows.Service.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '97020a0739c1b4e4867d5c7623b51865' = '"%TEMP%\Windows.Service.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\97020a0739c1b4e4867d5c7623b51865.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Windows.Service.exe' = '%TEMP%\Windows.Service.exe:*:Enabled:Windows.Service.exe'
Creates and executes the following:
'%TEMP%\Windows.Service.exe'
'%TEMP%\Windows3.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Windows.Service.exe" "Windows.Service.exe" ENABLE
Modifies file system :
Creates the following files:
%TEMP%\aut2.tmp
%TEMP%\Windows.Service.exe
%TEMP%\aut1.tmp
%TEMP%\Windows3.exe
Deletes the following files:
%TEMP%\aut2.tmp
%TEMP%\aut1.tmp
Network activity:
Connects to:
UDP:
DNS ASK re####d.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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