Win32.HLLW.Autoruner2.28487
Added to the Dr.Web virus database:
2017-06-01
Virus description added:
2017-06-01
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e8f66f2d58227e9096bd0da86422bc47' = '"<Full path to file>" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e8f66f2d58227e9096bd0da86422bc47' = '"<Full path to file>" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\e8f66f2d58227e9096bd0da86422bc47.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 file>' = '<Full path to file>:*:Enabled:<File name>.exe'
Executes the following:
- '<SYSTEM32>\taskkill.exe' /F /IM Exsample.exe
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE
Modifies file system:
Creates the following files:
- C:\autorun.inf
- C:\svchost.exe
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 file>
- C:\svchost.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
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