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Win32.HLLW.Autoruner2.7102
Added to the Dr.Web virus database:
2014-02-17
Virus description added:
2014-02-17
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '41cbb2a3dc1f6874c1a884d983a1a190' = '"%ALLUSERSPROFILE%\iexplorerr.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '41cbb2a3dc1f6874c1a884d983a1a190' = '"%ALLUSERSPROFILE%\iexplorerr.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\41cbb2a3dc1f6874c1a884d983a1a190.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\iexplorerr.exe' = '%ALLUSERSPROFILE%\iexplorerr.exe:*:Enabled:iexplorerr.exe'
Creates and executes the following:
'%ALLUSERSPROFILE%\iexplorerr.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\iexplorerr.exe" "iexplorerr.exe" ENABLE
Modifies file system :
Creates the following files:
%ALLUSERSPROFILE%\iexplorerr.exe
Network activity:
Connects to:
UDP:
DNS ASK ti####a.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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