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Win32.HLLW.Autoruner2.4482
Added to the Dr.Web virus database:
2014-02-01
Virus description added:
2014-02-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '424cada5535aebbd24c3' = '<Full path to virus>'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Pwr.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall set opmode disable
Modifies file system :
Creates the following files:
%HOMEPATH%\My Documents\Downloads\Outlook Express.exe
%HOMEPATH%\My Documents\Downloads\Reference Assemblies.exe
%HOMEPATH%\My Documents\Downloads\Uninstall Information.exe
%HOMEPATH%\My Documents\Downloads\MSN Gaming Zone.exe
%HOMEPATH%\My Documents\Downloads\NetMeeting.exe
%HOMEPATH%\My Documents\Downloads\Online Services.exe
%HOMEPATH%\My Documents\Downloads\xerox.exe
%TEMP%\dw.log
%TEMP%\24924.dmp
%HOMEPATH%\My Documents\Downloads\Windows Media Player.exe
%HOMEPATH%\My Documents\Downloads\Windows NT.exe
%HOMEPATH%\My Documents\Downloads\WindowsUpdate.exe
%HOMEPATH%\My Documents\Downloads\ComPlus Applications.exe
%HOMEPATH%\My Documents\Downloads\FireFox.exe
%HOMEPATH%\My Documents\Downloads\Internet Explorer.exe
C:\Pwr.exe
C:\autorun.inf
%HOMEPATH%\My Documents\Downloads\Common Files.exe
%HOMEPATH%\My Documents\Downloads\Movie Maker.exe
%HOMEPATH%\My Documents\Downloads\MSBuild.exe
%HOMEPATH%\My Documents\Downloads\MSN.exe
%HOMEPATH%\My Documents\Downloads\Messenger.exe
%HOMEPATH%\My Documents\Downloads\microsoft frontpage.exe
%HOMEPATH%\My Documents\Downloads\Microsoft.NET.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Pwr.exe
C:\autorun.inf
C:\Pwr.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
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