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Win32.HLLW.Autoruner2.4605
Added to the Dr.Web virus database:
2014-02-02
Virus description added:
2014-02-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '699ec3b2d3a0b0a6ff69a9bee50d5077' = '"%TEMP%\dum.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '699ec3b2d3a0b0a6ff69a9bee50d5077' = '"%TEMP%\dum.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\699ec3b2d3a0b0a6ff69a9bee50d5077.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\dum.exe' = '%TEMP%\dum.exe:*:Enabled:dum.exe'
Creates and executes the following:
'%TEMP%\dum.exe'
'%TEMP%\154.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\dum.exe" "dum.exe" ENABLE
Modifies file system :
Creates the following files:
%TEMP%\dum.exe
%TEMP%\154.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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