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Win32.HLLW.Autoruner2.8923
Added to the Dr.Web virus database:
2014-02-24
Virus description added:
2014-02-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '8a9afd07b2e490c1dd9a936f00e934cc' = '"%APPDATA%\Mozilla Firefox.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8a9afd07b2e490c1dd9a936f00e934cc' = '"%APPDATA%\Mozilla Firefox.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\8a9afd07b2e490c1dd9a936f00e934cc.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Mozilla Firefox.exe' = '%APPDATA%\Mozilla Firefox.exe:*:Enabled:Mozilla Firefox.exe'
Creates and executes the following:
'%APPDATA%\Mozilla Firefox.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Mozilla Firefox.exe" "Mozilla Firefox.exe" ENABLE
Modifies file system :
Creates the following files:
%APPDATA%\Mozilla Firefox.exe
Network activity:
Connects to:
'be#####azzo.no-ip.biz':1177
UDP:
DNS ASK be#####azzo.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
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