Win32.HLLW.Autoruner2.29963
Added to the Dr.Web virus database:
2017-11-06
Virus description added:
2017-11-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bdf7b485363f287604838dff3a8313f5' = '"%APPDATA%\windx1.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'bdf7b485363f287604838dff3a8313f5' = '"%APPDATA%\windx1.exe" ..'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\bdf7b485363f287604838dff3a8313f5.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\windx1.exe' = '%APPDATA%\windx1.exe:*:Enabled:windx1.exe'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\windx1.exe" "windx1.exe" ENABLE
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\bdf7b485363f287604838dff3a8313f5.exe
Network activity:
Connects to:
- 'ba#####avio.ddns.net':5553
- 'sa#####on71.ddns.net':5553
UDP:
- DNS ASK ba#####avio.ddns.net
- DNS ASK sa#####on71.ddns.net
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