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Win32.HLLW.Autoruner2.4361
Added to the Dr.Web virus database:
2014-02-01
Virus description added:
2014-02-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '769db2a34f2b57815f574e95fe71c888' = '"%APPDATA%\Sender.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '769db2a34f2b57815f574e95fe71c888' = '"%APPDATA%\Sender.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Sender.exe' = '%APPDATA%\Sender.exe:*:Enabled:Sender.exe'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Sender.exe" "Sender.exe" ENABLE
Modifies file system :
Creates the following files:
Network activity:
Connects to:
'mi#####ft-fr.sytes.net':1177
UDP:
DNS ASK mi#####ft-fr.sytes.net
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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