Win32.HLLW.Autoruner2.24672
Added to the Dr.Web virus database:
2016-07-10
Virus description added:
2016-07-10
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '544a3fc2144d306a9963bae886cabde5' = '"<Full path to virus>" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '544a3fc2144d306a9963bae886cabde5' = '"<Full path to virus>" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\544a3fc2144d306a9963bae886cabde5.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:<Virus name>.e...
Executes the following:
- '<SYSTEM32>\taskkill.exe' /F /IM system.exe
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to virus>" "<Virus name>.exe" ENABLE
Modifies file system:
Creates the following files:
- C:\svchost.exe
- C:\autorun.inf
- %ALLUSERSPROFILE%\Application Data\Isolated Storage\{7A004600-3300-6B00-5400-520064004B00}
- <Current directory>:{46002F00-7A00-6100-5700-340037007500}
- <Current directory>:{7A004600-3300-6B00-5400-520064004B00}
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\svchost.exe
- <Drive name for removable media>:\autorun.inf
- C:\autorun.inf
- <Full path to virus>
- C:\svchost.exe
Network activity:
Connects to:
- 'el#####010.zapto.org':5552
UDP:
- DNS ASK el#####010.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
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