[One (M9) General] nkk71:
okay, so looks like something may be finicky in the LargeZip header, but manually extracting the last two blocks, and all decrypted zips test successfully.

voila:

[B]nkk71@ubuntu:/mnt/hgfs/W/zUBUNTU/m9encRUU/2.8.617.4_rom_decrypted$ [COLOR="Blue"]ls -l[/COLOR][/B]
total 4314112
-rwxrwxrwx 1 root root 741760 Jun 26 14:07 aboot_signed.img
-rwxrwxrwx 1 root root 10195968 Jun 26 13:48 adsp.img
-rwxrwxrwx 1 root root 91 Jun 26 14:07 android-info2.txt
-rwxrwxrwx 1 root root 600 Jun 26 13:38 android-info.txt
-rwxrwxrwx 1 root root 304087040 Jun 26 14:00 apppreload.img
-rwxrwxrwx 1 root root 600 Jun 26 14:12 backup_android-info.txt
-rwxrwxrwx 1 root root 898063 Jun 26 13:52 bootloader
-rwxrwxrwx 1 root root 36433920 Jun 26 14:07 boot_signed.img
-rwxrwxrwx 1 root root 9544 Jun 26 13:48 cir.img
-rwxrwxrwx 1 root root 62914560 Jun 26 14:00 cota.img
-rwxrwxrwx 1 root root 1055744 Jun 26 13:48 cpe.img
-rwxrwxrwx 1 root root 9011200 Jun 26 13:52 dt.img
-rwxrwxrwx 1 root root 11056 Jun 26 13:59 dzdata_16g.hdr
-rwxrwxrwx 1 root root 598320 Jun 26 13:59 dzdata_16g.img
-rwxrwxrwx 1 root root 20160 Jun 26 14:00 dzdata_32g.hdr
-rwxrwxrwx 1 root root 944320 Jun 26 14:00 dzdata_32g.img
-rwxrwxrwx 1 root root 23952 Jun 26 14:00 dzdata_64g.hdr
-rwxrwxrwx 1 root root 1180560 Jun 26 14:00 dzdata_64g.img
-rwxrwxrwx 1 root root 741760 Jun 26 13:53 emmc_appsboot.mbn
-rwxrwxrwx 1 root root 17408 Jun 26 13:37 gpt_main_32g.img
-rwxrwxrwx 1 root root 17408 Jun 26 13:37 gpt_main_64g.img
-rwxrwxrwx 1 root root 39043072 Jun 26 14:07 hosd_signed.img
-rwxrwxrwx 1 root root 66578 Jun 26 13:48 hyp-8994-1.img
-rwxrwxrwx 1 root root 1572864 Jun 26 13:48 modem_st1.img
-rwxrwxrwx 1 root root 1572864 Jun 26 13:48 modem_st2.img
-rwxrwxrwx 1 root root 4341932 Jun 26 13:53 persist.img
-rwxrwxrwx 1 root root 5484 Jun 26 13:48 pg2fs_ship_signkey.img
-rwxrwxrwx 1 root root 39286 Jun 26 13:48 pmic-8994-1.img
-rwxrwxrwx 1 root root 52483072 Jun 26 13:48 radio.img
-rwxrwxrwx 1 root root 2133131 Jun 26 13:56 ramdisk.img
-rwxrwxrwx 1 root root 121 Jun 12 00:43 rcdata.img
-rwxrwxrwx 1 root root 38670336 Jun 26 14:07 recovery_signed.img
-rwxrwxrwx 1 root root 196012 Jun 26 13:48 rpm-8994-1.img
-rwxrwxrwx 1 root root 706914 Jun 26 13:48 sbl1-8994-1.img
-rwxrwxrwx 1 root root 35168 Jun 26 13:48 sdi.img
-rwxrwxrwx 1 root root 467372 Jun 26 13:48 sensor_hub.img
-rwxrwxrwx 1 root root 4194304 Jun 12 00:43 splash1.nb0
-rwxrwxrwx 1 root root 825599548 Jun 26 14:12 system.img_00
-rwxrwxrwx 1 root root 808484032 Jun 26 14:12 system.img_01
-rwxrwxrwx 1 root root 829008800 Jun 26 14:12 system.img_02
-rwxrwxrwx 1 root root 836066720 Jun 26 14:12 system.img_03
-rwxrwxrwx 1 root root 543381840 Jun 26 14:12 system.img_04
-rwxrwxrwx 1 root root 49189 Jun 26 13:48 tp_MXM11876.img
-rwxrwxrwx 1 root root 63004 Jun 26 13:48 tp_SYN3351.img
-rwxrwxrwx 1 root root 531858 Jun 26 13:48 tz-8994-1.img

[B]nkk71@ubuntu:/mnt/hgfs/W/zUBUNTU/m9encRUU/2.8.617.4_rom_decrypted$ [COLOR="Blue"]md5sum *[/COLOR][/B]
b5a3058345535676544b84d970f0a7c9 aboot_signed.img
858b7a9f7404201ec4f51a849b91f32d adsp.img
899c2cab5d6b765dcf27ce618d35c723 android-info2.txt
3ff31640aa306fe5275613a958321842 android-info.txt
ddab50e87844438ca0fc78d72bd7699a apppreload.img
3ff31640aa306fe5275613a958321842 backup_android-info.txt
8e840cdaf4e7fa52e623f6485797e35b bootloader
bc85f739dee4249230ccedbfafd1749a boot_signed.img
46be5b88df7f5f9d8df068f25f220306 cir.img
356f8f4d2ee96b0a852e7b458c254608 cota.img
9e54df363a2311482c9c94608d448c67 cpe.img
d905456d763843ed963b93b8e5a0cd08 dt.img
638bc7171b40cfdfbda6fcedfd4fdfe6 dzdata_16g.hdr
affbec05a977656e58b23ee68883ad2f dzdata_16g.img
7c2652a760cae1558a334a1d0222c994 dzdata_32g.hdr
5eb7d6333546262b1d6b315186d45574 dzdata_32g.img
f00bf223e2eb7ba1d84ff2c4f7f56ea3 dzdata_64g.hdr
5a4a4ff69ab90b1a7d69be59241c0712 dzdata_64g.img
df7f842df08365f9fc24755f11eaf9e3 emmc_appsboot.mbn
67d41bcbfc95fbdbd607383a8e7d5bca gpt_main_32g.img
f0abec9def728fb9ef3e22c15ba8a8fd gpt_main_64g.img
d1ad82b192fb100da10fdb27d89d6a55 hosd_signed.img
3c27a4dff26039b42216be4abd994e3f hyp-8994-1.img
6811c482ead27c0b1165ecfbe996c2b4 modem_st1.img
6811c482ead27c0b1165ecfbe996c2b4 modem_st2.img
7bf1601a7f28dcc5918df11ce06ede57 persist.img
6de8d98f29721e1f6b5b6806313687c6 pg2fs_ship_signkey.img
2057f93558246a81649a5033e096b535 pmic-8994-1.img
39806a271175636101adee779eb46f2a radio.img
69135097fb9dee1d5a54f82b0cbe1de8 ramdisk.img
00336ae0e447c08a5002ef435abfe380 rcdata.img
ddbc28346d3a5054a9511f74e53d4811 recovery_signed.img
69c8893475a9dedc16112cb85260a705 rpm-8994-1.img
d9b9c008ec198477afa0cc9a21f3cd55 sbl1-8994-1.img
6089972c66d40652d3beff8a42af4978 sdi.img
dd18c11d31b8e16f9899dbd3e78b88d4 sensor_hub.img
8d68c215c85925695b1b354b171a0711 splash1.nb0
65961ba88b708f57dd2ba0cdfa2f6290 system.img_00
0350b5b0def7c17a128d79cb4783bcf1 system.img_01
8f22504fb6e45133caba7477c083d994 system.img_02
1f87e8271ad6bd0410dd3bac3efc1680 system.img_03
fcb42fc77ff8a10fa9f8e32d377e0274 system.img_04
46e5a0038649cfb41dae6811ed6ede05 tp_MXM11876.img
7368e0f712d45630cb2e38c627808f15 tp_SYN3351.img
bf5f0b64dd19a7593a93248ec6910f1e tz-8994-1.img
nkk71@ubuntu:/mnt/hgfs/W/zUBUNTU/m9encRUU/2.8.617.4_rom_decrypted$

android-info.txt:

modelid: 0PJA11000
cidnum: BS_US001
cidnum: BS_US002
mainver: 2.8.617.4
btype:1
aareport:1
hbootpreupdate: 3
nohardreset: 1
resparseoption: -S800M
erasepartition: cache
eraseonflash: system
eraseonflash: userdata
eraseonflash: aboot
eraseonflash: adsp
eraseonflash: boot
eraseonflash: cpe
eraseonflash: hosd
eraseonflash: hyp
eraseonflash: radio
eraseonflash: recovery
eraseonflash: rpm
eraseonflash: pmic
eraseonflash: sbl1
eraseonflash: sdi
eraseonflash: tz
eraseonflash: rfg_1
eraseonflash: sp1
eraseonflash: cota
eraseonsoff: frp
eraseonsoff: absolute
erasepartition: ddr
erasepartition: carrier

gonna try combining the system files using [MENTION=1844729]Mr_Bartek[/MENTION] method later and see what gives, and do some more testing/double-checking
[MENTION=1102297]Sneakyghost[/MENTION] (thought you might like this ;) )