Win32.HLLW.Autoruner2.30932
Added to the Dr.Web virus database:
2017-12-19
Virus description added:
2017-12-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '38a365d793b3ef92f79564a9e72ad028' = '"%HOMEPATH%\system.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '38a365d793b3ef92f79564a9e72ad028' = '"%HOMEPATH%\system.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\38a365d793b3ef92f79564a9e72ad028.exe
Creates the following files on removable media:
- <Drive name for removable media>:\38a365d793b3ef92f79564a9e72ad028.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\system.exe' = '%HOMEPATH%\system.exe:*:Enabled:system.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\system.exe" "system.exe" ENABLE
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\38a365d793b3ef92f79564a9e72ad028.exe
Network activity:
Connects to:
- 'ai####2323.ddns.net':1177
UDP:
- DNS ASK ai####2323.ddns.net
Miscellaneous:
Creates and executes the following:
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