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Win32.HLLW.Autoruner2.5095
Added to the Dr.Web virus database:
2014-02-04
Virus description added:
2014-02-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a1470a0520cb4654b918159e7b1d3004' = '"%TEMP%\server.exe" ..'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a1470a0520cb4654b918159e7b1d3004' = '"%TEMP%\server.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\a1470a0520cb4654b918159e7b1d3004.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
Modifies file system :
Creates the following files:
%TEMP%\server.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\facebook[1]
%APPDATA%Microsoft\System\Services\18.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\facebook[1]
Sets the 'hidden' attribute to the following files:
%TEMP%\server.exe
<Full path to virus>
Deletes the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\facebook[1]
Network activity:
Connects to:
'localhost':1039
'lo#####992.no-ip.biz':1177
'localhost':1036
'www.fa###ook.com':80
TCP:
UDP:
DNS ASK lo#####992.no-ip.biz
DNS ASK www.fa###ook.com
Miscellaneous:
Searches for the following windows:
ClassName: 'IEFrame' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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