What is Rarsfx?

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So I got alt tabbed out of a game I was playing and when I looked in the notifications of Bitdefender I saw that something was allowed through the firewall. I denied it so I don't have the exact file path but I think it was like

c:/Windows/Temp/Rarsfx1/packages/installer.exe

I had this same file like a year ago, and again I've looked up things and there's really nothing conclusive. The folder and file deleted itself too when I right clicked on something called "installation file" or something similar that was in my task manager. Same thing that happened when I first saw Rarsfx a year ago.

Only post I've found that said anything was this, an old Bitdefender forum post.

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  • Flexx
    Flexx DEFENDER OF THE YEAR 2023 / DEFENDER OF THE MONTH ✭✭✭✭✭ mod
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    RarSFX is a technology that lets you put an installer inside a compressed RAR file, making it self-extracting. This means when you run it, it can automatically start the installation process. The file being in the Temp folder suggests it's a temporary file used just for installation. Once the installation is done, the file gets deleted because it's no longer needed.


    Perform the steps provided below:

    1) Open the Run command and execute the following commands one by one:

    temp – delete all the files in the folder.

    %temp% – delete all the files in the folder.

    prefetch – delete all the files in the folder.

    2) Run Disk Cleanup using this guide: https://support.microsoft.com/en-us/windows/disk-cleanup-in-windows-8a96ff42-5751-39ad-23d6-434b4d5b9a68

    That's it. Everything is sorted afterwards.

    Regards

    Life happens, Coffee helps!

    Show your Attitude, when you reach that Altitude!

    Bitdefender Ultimate Security Plus (user)