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Groups > comp.os.linux.advocacy > #696275

Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups alt.comp.os.windows-10, alt.comp.os.windows-11, comp.os.linux.advocacy
Subject Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection
Date 2025-08-31 02:35 +0200
Message-ID <20icolxl72.ln2@Telcontar.valinor> (permalink)
References (5 earlier) <108pg25$1ahah$1@dont-email.me> <ta06olxj1s.ln2@Telcontar.valinor> <KrYrQ.82041$KK53.64029@fx44.iad> <108qljn$1kvjl$8@dont-email.me> <pbhsQ.74215$j831.22295@fx40.iad>

Cross-posted to 3 groups.

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On 2025-08-29 14:38, CrudeSausage wrote:
> On 2025-08-28 6:35 p.m., Lawrence D’Oliveiro wrote:
>> On Thu, 28 Aug 2025 09:02:34 -0400, CrudeSausage wrote:
>>
>>> RAR is usually the compression tool pirates use for their software. For
>>> my tastes, 7z is just fine ...
>>
>> A few times now, after extracting a .rar archive, I have tried
>> recompressing the result as .7z.
>>
>> In every case, the .7z file ended up smaller than the .rar version.
> 
> I might be wrong since I never really compress anything, but I believe 
> that RAR is prioritized over 7z or ZIP not because it has a better 
> compression rate, but because it makes it easy to create a number of 
> similarly-sized files connected to the same piece of software. I'm sure 
> that anyone who pirated software here, whether through Usenet, a BBS or 
> the Internet, recalls the software coming in 16 equally-sized RAR, R01, 
> R02 and so on files. Perhaps that was the advantage of the format.

One of the reasons, there is never only one, is that rar has error 
recovery. Meaning that you could create a rar archive divided into 
several floppies (or CDs), and if some sectors were damaged, or lost in 
transmission, the whole thing could still be correctly decompressed.

Of course, error protection means a larger archive.

-- 
Cheers, Carlos.

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Thread

Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Symon <symon@notice.org> - 2025-08-27 09:14 +0200
  Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-27 07:17 +0000
  Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2025-08-27 23:25 +0800
    Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-27 23:22 +0000
      Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Hank Rogers <Hank@nospam.invalid> - 2025-08-27 19:21 -0500
        Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 00:41 +0000
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-28 08:45 -0400
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 22:36 +0000
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-29 08:39 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-30 00:16 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Hank Rogers <Hank@nospam.invalid> - 2025-08-29 20:02 -0500
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-30 03:35 +0000
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection pothead <pothead@snakebite.com> - 2025-08-28 15:45 +0000
        Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-28 03:28 -0400
        Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Daniel70 <daniel47@somewhere.someplaceelse> - 2025-08-28 20:19 +1000
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-28 07:54 -0400
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-08-28 14:57 +0200
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-28 09:02 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-08-28 23:17 +0200
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 22:35 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-29 08:38 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-29 10:35 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-29 10:55 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-08-31 02:35 +0200
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-31 01:21 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Char Jackson <none@none.invalid> - 2025-08-31 12:58 -0500
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-31 22:46 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-09-01 02:44 +0200
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-09-01 07:56 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-09-01 14:21 +0200
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Char Jackson <none@none.invalid> - 2025-09-01 16:26 -0500
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 22:34 +0000
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 22:32 +0000
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-28 19:18 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-29 00:50 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-28 22:44 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-29 04:02 +0000
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-29 00:53 -0400
                Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-29 05:31 +0000
        Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-28 08:44 -0400
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection chrisv <chrisv@nospam.invalid> - 2025-08-28 16:30 -0500
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-29 08:35 -0400
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 22:29 +0000
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection CrudeSausage <crude@sausa.ge> - 2025-08-29 08:36 -0400
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-30 05:39 +0000
              Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-30 07:25 -0400
          Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Paul <nospam@needed.invalid> - 2025-08-28 19:40 -0400
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-29 00:51 +0000
            Re: Linux Malware Delivered via Malicious RAR Filenames Evades Antivirus Detection "Carlos E.R." <robin_listas@es.invalid> - 2025-09-02 12:45 +0200

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