BEST Compression Software ?

Discussion in 'other software & services' started by AvinashR, Jan 18, 2011.

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  1. AvinashR

    AvinashR Registered Member

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    Hi Guys,

    Can you please tell me which is the best compression software? At present I am using 7Zip but it does not fulfill my needs. I want to compress my malware samples at a very extreme rate and without getting them corrupted. I generally exchange samples with many malware hunters and in order to save my bandwidth, I need a good compression software which can compress 1 GB of files into 200 or 300 MB ...

    Any help/suggestion will be highly appreciated ..

    Cheers,
     
  2. AvinashR

    AvinashR Registered Member

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    I have heard about PAQ8 Compression software... Does anybody used it?
     
  3. Bambo

    Bambo Registered Member

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    Install PeaZip http://www.peazip.org/index.html and test Paq vs. FreeArc They are probably better than 7zip http://www.maximumcompression.com/data/summary_sf.php

    If you don't like PeaZip FreeArc has gui and support for Paq (I think) http://freearc.org/Benchmarks.aspx 2-10% better than 7zip was about right when I tested it long time ago. I seem to remember that Paq was so slow I dropped any test. Arc being the only free and usable alternative.

    WinRK is even better but not free, with gui though http://www.msoftware.biz/products/winrk#tabs-tabset-1

    Think most of the others are command line stuff.
     
  4. AvinashR

    AvinashR Registered Member

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    Hi Bro,

    You are right. PAQ is really really slow. I will try FreeArc.. I am already using PeaZip, but if I use PAQ compression method then it will take ages to compress my files :(

    Any other suggestion?
     
  5. AvinashR

    AvinashR Registered Member

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    Well I have used FreeArc too but its compressing files as same 7Zip utility... So it does not add any significance ... :(

    ZAPQ and PAQ8 is very very very slow... So its NO NO for me ..

    NOW what's left?
     
  6. zfactor

    zfactor Registered Member

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    have you tried winrar?
     
  7. majoMo

    majoMo Registered Member

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    Since many malware samples are packed/compacted, it's not easy to compress them too much. You can try KGB Archiver though. Or to use ArcConvert by Dirk Paehl to check several compressors performance.
     
  8. Sadeghi85

    Sadeghi85 Registered Member

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  9. Kernelwars

    Kernelwars Registered Member

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    Hi Avinash,
    Did u try ALZip 7.0 beta :cool:
     
  10. Bob D

    Bob D Registered Member

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  11. The Seeker

    The Seeker Registered Member

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    Bought WinRAR five years ago, has been flawless for me. Lifetime license is well worth it.
     
  12. Kernelwars

    Kernelwars Registered Member

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    agreed :thumb:
     
  13. Noob

    Noob Registered Member

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    What are the benefits of paid Winrar?
    For me, i've always used the free version since i started using PC's :ninja:
     
  14. Bob D

    Bob D Registered Member

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    I'm curious myself, in that free 7-zip offers almost the same compression ratio.
     
  15. Night_Raven

    Night_Raven Registered Member

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    7-Zip's compression ratio is actually noticeably better than WinRAR's. 7-Zip is by far the best mainstream format with wide support in terms of compression ratios.
    It's what I'd recomment to the OP.
     
  16. Bambo

    Bambo Registered Member

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    It is but he is not looking for mainstream but small files and with 1gb it can matter. Anyway I "zipped" up my Minefield folder. WinRK was best by far 9.37mb, UHA 10.45mb, 7z 10.94, Freearc 11.27, Std. Zip from Totalcommander 14.85mb which has been left behind due to 7zip updates I think. Was better than 7zip last I checked. Winrar is probably on 7zip level, try beta of new version 4. Imagine how much bandwidth could be saved if WinRK was std. and not zip. Say thanks to proprietary format and conservatism :) WinRK was last updated in 2008 so I bet he has sold off magic, how it goes. Be thankful for 7zip.
     
  17. Night_Raven

    Night_Raven Registered Member

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    If really every byte is cruicial then fine, but it's damn annoying for everyone who would receive such a file to have to install a specific program in order to extract it. That's where the format popularity comes in handy. 7-Zip offers the best popularity/compression ratio and is free.
    In any case you can't compress a file beyond a certain point, no matter what the archiver is.
     
  18. Warlockz

    Warlockz Registered Member

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  19. DOSawaits

    DOSawaits Registered Member

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    It's not that easy comparing compression software, nor is it logic science.
    regarding efficiency (compression ratio/compression speed) PAQ and other rather unknown are a big NO, utterly unefficient.

    7-Zip and WinRAR are among the best, but compressing images, one time 7-zip comes on top, doing another batch of images, WinRAR comes on top.

    Idem dito for executables, there is no simple conclusion, but atm 7-Zip and WinRAR (and FreeARC) are on top of the pack overall.
     
  20. Noob

    Noob Registered Member

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    I would say Winrar is more widely used than 7-Zip based on my experience though i feel both are the same. :D
     
  21. AvinashR

    AvinashR Registered Member

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    I guess WinRK is also using PAQ algorithm to compress files.. Not sure though.
     
  22. Kuru_54

    Kuru_54 Registered Member

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    Definition of best mainly depends on you needs, as for what I can see you are searching for maximum compression rate at reasonable speed, otherwise bandwith you save would not balance the extra computing time cost.

    KGB archiver and WinRK uses modified old versions of PAQ, while PeaZip uses reasonably recent version of that algorithm.
    PAQ is the champion in terms of compression, but in any case seems too slow for you.
    ZPAQ is faster, but still out of the range of something useful for compressing many GB of data.
    On maximumcompression.com you can find some other PAQ-like algorithms (and some different algorithms) on the top of the chart, but in all cases the speed is the big issue.

    For many types of data applying such powerful compression may end in a very little advantage, so you should try some most common compression algorithm if you want to keep compression time reasonable.
    Usually 7Z and ARC format compresses better than RAR, that compresses better than BZ2; any of that compress much more better than ZIP, which is faster.

    In short my best guess to find the most effective way to compress your data is to play a little with 7Z format, using LZMA2 algorithm and testing some of the advanced compression options.
     
  23. Basic

    Basic Registered Member

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    Uhmm! Free version?:blink:
     
  24. CiX

    CiX Registered Member

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    WinRAR is still functional after the 40 day trial (with program startup nag screen though)
     
  25. Noob

    Noob Registered Member

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    Yep, completely functional, i call it kinda free because it continues working, i don't even know if they remove any features LOL :rolleyes:

    Always been using it like that and it's all fine :ninja:
     
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