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Easy Archive Recovery 2.0 was available as a giveaway on October 7, 2015!
Easy Archive Recovery is a data recovery program that works specifically with ZIP and RAR archives. It’s capable of restoring all types of RAR and ZIP, created in any known type of compression tools, such as WinRAR, InfoZiP, WinZIP and other. The program supports SFX and solid archives. The contents of the archive can be previewed before the recovery. The files that were stored on a broken or formatted storage medium can be previewed and recovered as well.
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Windows 2000/ XP/ Server 2003/ Vista/ Server 2008/ 7/ 8
9.31 MB
$59.95
Soooo....what's the blooming point of this if it can't recover anything from a damaged archive ?
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I didn't have any broken ZIP.
So i made 4 ZIP from a series of photo's i used yesterday.
2 of them are protected with a password(gotd).
And these 4 zip's i have manipulated with a hexeditor. Not very much: something just altered the name of the original file. Another somewhere else in the zip altered 10 bytes to 0123456789.
The GOTD program has great difficulties with the password protected files: all the result-files has 0 bytes.
And the other unprotected files: the result were soso:
https://dl.dropboxusercontent.com/u/10366431/_GOTD/EasyArchiveRecovery20_2051007/Recover/EARR_RECOVERED/herfst1-rolrolletjee.JPG
The original was:
https://dl.dropboxusercontent.com/u/10366431/_GOTD/EasyArchiveRecovery20_2051007/Org/herfst1-Cylindrisch.JPG
Original ZIP:
https://dl.dropboxusercontent.com/u/10366431/_GOTD/EasyArchiveRecovery20_2051007/Org/herfst1-Cylindrisch.zip
Damaged ZIP:
https://dl.dropboxusercontent.com/u/10366431/_GOTD/EasyArchiveRecovery20_2051007/Beschadigd/Fout-herfst1-Cylindrisch.zip
Difference made with a hexedit program:
https://dl.dropboxusercontent.com/u/10366431/_GOTD/EasyArchiveRecovery20_2051007/verschil_HerfstCyl.txt
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> somewhere else in the zip altered 10 bytes to 0123456789
Oh, so with that, you actually corrupted the data within.
And when you try to extract, or run a test on the file, it is so noted.
Anyhow, unzip.exe & 7-zip.exe were able to extract the picture, albeit a corrupted, though viewable, version of it.
As there is no error correction code in the zip, its understandable that your purposely corrupted picture will not extract identically.
While PKZIPFIX.exe & zip.exe -FF both "worked" to "fix" the corrupted archive, neither aided in any manner compared to simply attempting to extract directly from the corrupted version using unzip.exe or 7-zip.exe.
Given the nature of the corruption, this is all pretty much expected.
That today's GAOTD accomplished nothing (not tested by me) that's a different matter, & in particular if it left you with something entirely worthless.
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same version given away in 2013 http://www.giveawayoftheday.com/easy-archive-recovery-2-0/
and earlier this year http://www.giveawayoftheday.com/easy-archive-recovery-2-0-2/ as well as part of the easy data recovery suite also back in 2013
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Munsoft have a couple of problems with this program and others of their data recovery range, either they have left the products to stagnate since their first giveaway of their easy data recovery suite which includes this program in this version back in 2013 or they don't use any formal versioning system by which we or even they can intelligently suggest that we should download the latest build.
I don't have any classicly broken zip files to test this on so cannot confirm XP-mans findings the usual breakage is loss of the last data chunk in a multi-email/newsgroup message posted zip archive of many files, with the loss of the final section the zip archives master directory which is at the end of zip archive is lost and normal zip extraction refers to that when displaying the zip file contents index. The primary repair technique is to sequentially read the remainder zip file and rebuild a master index of the files that remain by using the per-file zip headers that prepend each file in the broken archive. That way normally all of the individually complete entries can be recovered and extracted out of a damaged normal zip archive. I would normally fish out the original PKzipfix.exe commandline program to do that job, but not done that in years!
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TK
The reason I obliterated the names at the end of the ZIP file was to test if it could by some means work out what files were contained in the archive. It was a real surprise that it was so unsuccessful as I anticipated it would perform somewhat as you describe in your comment.
Failing my second test was a real eye-opener, changes only to the first three bytes of the ZIP file and couldn't recover it, and this from a $60 program is just hard to believe.
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A simple installation and registration, on opening a simple interface was presented.
Using a hex editor modified today's download zip file by modifying the names of the file it contains at the end of the compressed archive.
Attempted recovery was unsuccessful even though it claimed had recovered the files.
Using another copy of today's download modified the characters PK, that appear at the front of every zip file, to MZP typical of EXE files and DLL files.
Yet again it claimed a successful recovery but actually recovered nothing.
It was so unsuccessful that I was concerned that I was doing something wrong and so tried a number of times without success.
Been using compression programs for just short of 30 years and never needed to recover one.
If I was concerned about corruption of archives I would use RAR files where with slightly less than optimum compression they can be saved with a built-in recovery system.
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Maybe it restores files that have been stored and not compressed in a zip file.
The only reason I store a file uncompressed is when I want to password protect the file or group a lot of files together.
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