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Win32.HLLW.Autoruner2.8151
Added to the Dr.Web virus database:
2014-02-21
Virus description added:
2014-02-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'Firevall Administrating' = 'rndll.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Firevall Administrating' = 'rndll.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\driver\usb\–ђЃј‡‘Љ•†‘НЂЊЋ
<Drive name for removable media>:\driver\usb\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\IXP000.TMP\fdsfds.exe' = '%TEMP%\IXP000.TMP\fdsfds.exe:*:Enabled:Firevall Administrating'
Creates and executes the following:
'%WINDIR%\rndll.exe'
'%TEMP%\IXP000.TMP\fdsfds.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram 1.exe 1 ENABLE
Searches for windows to
detect programs and games:
ClassName: 'MSNHiddenWindowClass' WindowName: '(null)'
ClassName: '_Oscar_StatusNotify' WindowName: '(null)'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
%WINDIR%\rndll.exe
%TEMP%\IXP000.TMP\fdsfds.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\driver\usb\–ђЃј‡‘Љ•†‘НЂЊЋ
%WINDIR%\rndll.exe
Deletes the following files:
%TEMP%\IXP000.TMP\fdsfds.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Message Session' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: '__oxFrame.class__' WindowName: '(null)'
ClassName: 'TskMultiChatForm.UnicodeClass' WindowName: '(null)'
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