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  4. VRChat added VRCA (?maybe VRCW too) protection

VRChat added VRCA (?maybe VRCW too) protection

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  • trejecttT Offline
    trejecttT Offline
    trejectt
    wrote on last edited by
    #8

    Vrchat now uses AES-GCM encryption. The only way to get any type of unencrypted vrca or vrcw is with a modded client. Otherwise dump the game and get the decryption method. And boom. But the method is lazy and there are ways around this. Cannot say more right now.

    ReymR S "'Real' Visitor"& 3 Replies Last reply
    1
    • trejecttT trejectt

      Vrchat now uses AES-GCM encryption. The only way to get any type of unencrypted vrca or vrcw is with a modded client. Otherwise dump the game and get the decryption method. And boom. But the method is lazy and there are ways around this. Cannot say more right now.

      ReymR Offline
      ReymR Offline
      Reym
      wrote on last edited by Reym
      #9

      @trejectt dumping the game and get the encryption?, that actually could work, problem is gonna take very long to locate where the encryption are, and if it an encryption we need a key

      I'm bad at understanding english word

      I fix .vrca stuff for free and for fun! Depending on file, every outcome and vary might be different than the original avatar has due to the toggles and much more, send me a pm if you need an avi that i can ripp (public avatar only, private still risky, unless you have the cache of those avatar you can send them over for request for fix) and fix for you or cracking a password locked avatar or send me .vrca file or vrchat avatar link through my pms!

      VRCHAT HAS ADDED SORT OF PROTECTION ON __DATA (aka .vrca or .vrcw) FILE, EVERY FUTURE REQUEST IS CLOSED UNTIL ALTERNATIVE PROGRAM FOR EXTRACTING FILE OUT IS MADE

      1 Reply Last reply
      0
      • trejecttT trejectt

        Vrchat now uses AES-GCM encryption. The only way to get any type of unencrypted vrca or vrcw is with a modded client. Otherwise dump the game and get the decryption method. And boom. But the method is lazy and there are ways around this. Cannot say more right now.

        S Offline
        S Offline
        sas909
        wrote on last edited by
        #10

        @trejectt Why are you so sure it's AES encryption?

        1 Reply Last reply
        0
        • C Offline
          C Offline
          chocolate
          wrote on last edited by
          #11

          I usually used loadbundle, and I was hoping that at least this would become usable. But if encryption measures have been implemented, there’s almost no chance it will work in the future.

          1 Reply Last reply
          0
          • trejecttT trejectt

            Vrchat now uses AES-GCM encryption. The only way to get any type of unencrypted vrca or vrcw is with a modded client. Otherwise dump the game and get the decryption method. And boom. But the method is lazy and there are ways around this. Cannot say more right now.

            "'Real' Visitor"& Offline
            "'Real' Visitor"& Offline
            "'Real' Visitor"
            wrote on last edited by
            #12

            @trejectt Yep, saw one video where client user was able to extract avtr file w/o encryption. And from other source I found out that it is indeed client-sided. Files on VRC servers are still un-encrypted, and encrypted locally. So if anyone have a backup of previous VRC client version, they can still load and rip. Or wait for someone to decompile VRC and make another tool...

            Hi "Trusted" users
            Maybe "Gumroad Fork" some day...

            trejecttT ReymR LinzeL 3 Replies Last reply
            0
            • avatarofcornA avatarofcorn

              It's added for VRCW as well. I heard about it and went on the mad scramble to back up memorable worlds from the early days and they're all scrambled. I have a feeling they only did this so people can't "port" user-made worlds to other social VR platforms since VRChat has gone down the shitter. They don't care one bit about their users and their concerns with "avatar ripping".

              Hardware98H Offline
              Hardware98H Offline
              Hardware98
              wrote on last edited by
              #13

              @avatarofcorn I heard personally they did it because they've started a partnership with Booth, but unsure how true that really is. At least the community had time, but I fear vrchat is certainly gonna turn into Pokechat for vrca's.

              avatarofcornA 1 Reply Last reply
              0
              • "'Real' Visitor"& "'Real' Visitor"

                @trejectt Yep, saw one video where client user was able to extract avtr file w/o encryption. And from other source I found out that it is indeed client-sided. Files on VRC servers are still un-encrypted, and encrypted locally. So if anyone have a backup of previous VRC client version, they can still load and rip. Or wait for someone to decompile VRC and make another tool...

                trejecttT Offline
                trejecttT Offline
                trejectt
                wrote on last edited by
                #14

                @Real-Visitor I havent found a version that lets you play. i have all the way back to last year. all force to update

                1 Reply Last reply
                😰
                0
                • C Offline
                  C Offline
                  chocolate
                  wrote on last edited by
                  #15

                  I downgraded VRChat, but I can’t launch it because a warning message says, "Please update."

                  N 1 Reply Last reply
                  0
                  • C chocolate

                    I downgraded VRChat, but I can’t launch it because a warning message says, "Please update."

                    N Offline
                    N Offline
                    NonckUnck
                    wrote on last edited by
                    #16

                    @chocolate yeah it only worked for a few hrs into the next day.(28th) i helped someone figured it out

                    1 Reply Last reply
                    😢
                    0
                    • "'Real' Visitor"& "'Real' Visitor"

                      @trejectt Yep, saw one video where client user was able to extract avtr file w/o encryption. And from other source I found out that it is indeed client-sided. Files on VRC servers are still un-encrypted, and encrypted locally. So if anyone have a backup of previous VRC client version, they can still load and rip. Or wait for someone to decompile VRC and make another tool...

                      ReymR Offline
                      ReymR Offline
                      Reym
                      wrote on last edited by
                      #17

                      @Real-Visitor what if the connection download is intercepted? what would happen?

                      I'm bad at understanding english word

                      I fix .vrca stuff for free and for fun! Depending on file, every outcome and vary might be different than the original avatar has due to the toggles and much more, send me a pm if you need an avi that i can ripp (public avatar only, private still risky, unless you have the cache of those avatar you can send them over for request for fix) and fix for you or cracking a password locked avatar or send me .vrca file or vrchat avatar link through my pms!

                      VRCHAT HAS ADDED SORT OF PROTECTION ON __DATA (aka .vrca or .vrcw) FILE, EVERY FUTURE REQUEST IS CLOSED UNTIL ALTERNATIVE PROGRAM FOR EXTRACTING FILE OUT IS MADE

                      "'Real' Visitor"& 1 Reply Last reply
                      0
                      • D Offline
                        D Offline
                        DrKWolf
                        wrote on last edited by
                        #18

                        Can someone help me on DM for getting an avatar? i still have the ID of it.
                        extracting vrca from cache doesn't work anymore, and assetripper can't load assets folder and shows unity version as 0.0.0a0

                        Looking for someone who can bypass avatar encryption. I just need to get a single avatar. Still have the ID of it.

                        1 Reply Last reply
                        0
                        • Hardware98H Hardware98

                          @avatarofcorn I heard personally they did it because they've started a partnership with Booth, but unsure how true that really is. At least the community had time, but I fear vrchat is certainly gonna turn into Pokechat for vrca's.

                          avatarofcornA Offline
                          avatarofcornA Offline
                          avatarofcorn
                          wrote on last edited by avatarofcorn
                          #19

                          @Hardware98 It was clear as day what the outcome would have been when EAC was rammed down everyone's throats to the protest of nearly forty thousand downvotes on the Canny. Didn't take long for them to charge for what mods and other social VR platforms do for free. Notice how development time now is spent on monetization, instead of fixing bugs and improving the existing system. I suppose the massive layoffs last year were to remove staff members who gave half a damn about the community. The rest aren't talking but you can figure it out from how angry Merlin got. (For those who don't recognize this name, he's the guy who brought us UdonSharp and was hired to overhaul the broken Udon system when he was suddenly fired.)

                          @Reym Try setting up a transparent MITM proxy with a self-signed TLS cert. Your mileage might vary, given the ring-0 rootkit on the machine.

                          Hardware98H 1 Reply Last reply
                          1
                          • ReymR Offline
                            ReymR Offline
                            Reym
                            wrote on last edited by
                            #20

                            @avatarofcorn ring-0?

                            I'm bad at understanding english word

                            I fix .vrca stuff for free and for fun! Depending on file, every outcome and vary might be different than the original avatar has due to the toggles and much more, send me a pm if you need an avi that i can ripp (public avatar only, private still risky, unless you have the cache of those avatar you can send them over for request for fix) and fix for you or cracking a password locked avatar or send me .vrca file or vrchat avatar link through my pms!

                            VRCHAT HAS ADDED SORT OF PROTECTION ON __DATA (aka .vrca or .vrcw) FILE, EVERY FUTURE REQUEST IS CLOSED UNTIL ALTERNATIVE PROGRAM FOR EXTRACTING FILE OUT IS MADE

                            1 Reply Last reply
                            0
                            • SeraphicRosesS SeraphicRoses referenced this topic on
                            • ReymR Reym

                              @Real-Visitor what if the connection download is intercepted? what would happen?

                              "'Real' Visitor"& Offline
                              "'Real' Visitor"& Offline
                              "'Real' Visitor"
                              wrote on last edited by
                              #21

                              @Reym Client users can still take pure VRCA files, due to them not being encrypted server side

                              Hi "Trusted" users
                              Maybe "Gumroad Fork" some day...

                              LinzeL 1 Reply Last reply
                              🤦
                              0
                              • G Offline
                                G Offline
                                gameboydsps
                                wrote on last edited by
                                #22

                                I know nothing, but I have noticed that while the Avatar is in use a __lock file is created in that path. I cannot do anything with this file, but when unloaded it disappears.

                                1 Reply Last reply
                                0
                                • G Offline
                                  G Offline
                                  Greg77
                                  wrote on last edited by
                                  #23

                                  So once the file on the cache is encrypted there is no way to revert it?

                                  1 Reply Last reply
                                  0
                                  • "'Real' Visitor"& "'Real' Visitor"

                                    @Reym Client users can still take pure VRCA files, due to them not being encrypted server side

                                    LinzeL Offline
                                    LinzeL Offline
                                    Linze
                                    wrote on last edited by
                                    #24

                                    @Real-Visitor Is that possible to intercept pure vrca and transmit it to another folder after it has been downloaded instantly?

                                    Free sharing is a costly charity.
                                    Once sharing becomes others' resale, that's a monopoly.

                                    "'Real' Visitor"& 1 Reply Last reply
                                    0
                                    • "'Real' Visitor"& "'Real' Visitor"

                                      @trejectt Yep, saw one video where client user was able to extract avtr file w/o encryption. And from other source I found out that it is indeed client-sided. Files on VRC servers are still un-encrypted, and encrypted locally. So if anyone have a backup of previous VRC client version, they can still load and rip. Or wait for someone to decompile VRC and make another tool...

                                      LinzeL Offline
                                      LinzeL Offline
                                      Linze
                                      wrote on last edited by Linze
                                      #25

                                      @Real-Visitor Do oculus ver or non steam version have same encryption?

                                      Free sharing is a costly charity.
                                      Once sharing becomes others' resale, that's a monopoly.

                                      Dr.beepD 1 Reply Last reply
                                      0
                                      • avatarofcornA avatarofcorn

                                        @Hardware98 It was clear as day what the outcome would have been when EAC was rammed down everyone's throats to the protest of nearly forty thousand downvotes on the Canny. Didn't take long for them to charge for what mods and other social VR platforms do for free. Notice how development time now is spent on monetization, instead of fixing bugs and improving the existing system. I suppose the massive layoffs last year were to remove staff members who gave half a damn about the community. The rest aren't talking but you can figure it out from how angry Merlin got. (For those who don't recognize this name, he's the guy who brought us UdonSharp and was hired to overhaul the broken Udon system when he was suddenly fired.)

                                        @Reym Try setting up a transparent MITM proxy with a self-signed TLS cert. Your mileage might vary, given the ring-0 rootkit on the machine.

                                        Hardware98H Offline
                                        Hardware98H Offline
                                        Hardware98
                                        wrote on last edited by
                                        #26

                                        @avatarofcorn Yeah I remember that shit. I also downvoted, I think everyone did. Horrible way the platform is going honestly and it's only going to get worse. Genuinely hope they don't start putting ads in the game, but I see that as the next step. Hopefully people will protest then too.

                                        1 Reply Last reply
                                        -1
                                        • G Offline
                                          G Offline
                                          grapeishere
                                          wrote on last edited by
                                          #27

                                          so how do i rip now?

                                          1 Reply Last reply
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