Win32.HLLW.Autoruner2.1293
Added to the Dr.Web virus database:
2014-01-14
Virus description added:
2014-01-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '4ec29ad413551e13f55b54c7802ccf38' = '"%APPDATA%\ramUI.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '4ec29ad413551e13f55b54c7802ccf38' = '"%APPDATA%\ramUI.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\4ec29ad413551e13f55b54c7802ccf38.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\ramUI.exe' = '%APPDATA%\ramUI.exe:*:Enabled:ramUI.exe'
Creates and executes the following:
- '%APPDATA%\ramUI.exe'
- '%TEMP%\293.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\ramUI.exe" "ramUI.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\ramUI.exe
- %TEMP%\293.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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