Win32.HLLW.Autoruner1.63897
Added to the Dr.Web virus database:
2013-12-21
Virus description added:
2013-12-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bc471b8257919baa78480199da161026' = '"%WINDIR%\BGService.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'bc471b8257919baa78480199da161026' = '"%WINDIR%\BGService.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\BGService.exe' = '%WINDIR%\BGService.exe:*:Enabled:BGService.exe'
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\BGService.exe" "BGService.exe" ENABLE
Modifies file system :
Creates the following files:
Network activity:
Connects to:
- 'me####oub.no-ip.biz':1177
UDP:
- DNS ASK me####oub.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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