Win32.HLLW.Autoruner2.64424

Added to the Dr.Web virus database: 2019-10-06

Virus description added: 2019-10-08

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\software\Microsoft\Windows\CurrentVersion\Run] '0bbd2b07bbb34c7017fe80cc05f64a7b' = '"%TEMP%\server.exe" ..'
[<HKLM>\software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '0bbd2b07bbb34c7017fe80cc05f64a7b' = '"%TEMP%\server.exe" ..'

Creates or modifies the following files

%APPDATA%\microsoft\windows\start menu\programs\startup\0bbd2b07bbb34c7017fe80cc05f64a7b.exe

Creates the following files on removable media

Malicious functions

To complicate detection of its presence in the operating system,

forces the system hide from view:

Executes the following

'%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE

Modifies file system

Creates the following files

Sets the 'hidden' attribute to the following files

<Drive name for removable media>:\0bbd2b07bbb34c7017fe80cc05f64a7b.exe
<Drive name for removable media>:\autorun.inf
%TEMP%\server.exe
%APPDATA%\microsoft\windows\start menu\programs\startup\0bbd2b07bbb34c7017fe80cc05f64a7b.exe

Network activity

UDP

Miscellaneous

Searches for the following windows

Creates and executes the following

'%TEMP%\rarsfx0\33_boxed.exe'
'%TEMP%\server.exe'
'%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE' (with hidden window)