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SoftwareBundler:Win32/Fourthrem

First posted on 15 February 2019.
Source: Microsoft

Aliases :

There are no other names known for SoftwareBundler:Win32/Fourthrem.

Explanation :

Installation This threat can create files on your PC, including:
%TEMP%
sp145b.tmpinetc.dll %TEMP%
sp145b.tmp
sweb.dll %TEMP%
sp145b.tmp
egistry.dll %TEMP% empoeofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0k_is.exe %TEMP% empoeofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0k_a9.exe %TEMP% empoeofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0k_br.exe %TEMP% empoeofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0k_cr.exe %TEMP% empoeofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0keofwgocpuzniap87uix35hsoxz0k_nj.exe

The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.

Payload

Connects to a remote host

We have seen this threat connect to a remote host, including: www.4threquest.me using port 80 goo.gl using port 80 Malware can connect to a remote host to do any of the following:Check for an Internet connectionDownload and run files (including updates or other malware)Report a new infection to its authorReceive configuration or other dataReceive instructions from a malicious hackerSearch for your PC locationUpload information taken from your PCValidate a digital certificate Additional information

Creates a mutex

This threat can create a mutex on your PC. For example:

G{D19BAF17-7C87-467E-8D63-6C4B1C836373}

It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.

This malware description was published using automated analysis of file SHA1 068901f8a385e81389442a45e7c0102aec79ba1e.

Last update 15 February 2019

 

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