Win32.HLLW.Autoruner2.52667

Added to the Dr.Web virus database: 2019-07-18

Virus description added: 2019-07-22

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\software\Microsoft\Windows\CurrentVersion\Run] '7f542935347fd11e183c0627f4ff487a' = '"<Full path to file>" ..'
[<HKLM>\software\Microsoft\Windows\CurrentVersion\Run] '7f542935347fd11e183c0627f4ff487a' = '"<Full path to file>" ..'

Creates or modifies the following files

%APPDATA%\microsoft\windows\start menu\programs\startup\7f542935347fd11e183c0627f4ff487a.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

'<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE

Modifies file system

Sets the 'hidden' attribute to the following files

<Drive name for removable media>:\7f542935347fd11e183c0627f4ff487a.exe
<Drive name for removable media>:\autorun.inf
<Full path to file>
%APPDATA%\microsoft\windows\start menu\programs\startup\7f542935347fd11e183c0627f4ff487a.exe

Network activity

Connects to

UDP

Miscellaneous

Creates and executes the following

'<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE' (with hidden window)