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Giveaway of the day — KRyLack Archive Password Recovery
KRyLack Archive Password Recovery era disponibile come app gratuita il 04 settembre 2011!
KRyLack Archive Password Recovery è un programma per recuperare le password perse o dimenticate per i seguenti tipi di file: ZIP, RAR (incluso v3.x, SFX, multi-volume e archivi con nomi di file cifrati) e archivi ACE.
Funzionalità principali:
- Il programma ha un'interfaccia utente molto comoda;
- Il programma funziona anche con gli archivi che contengono un solo file cifrato;
- Supporto per gli archivi RAR (tutte le versioni, inclusa la v3.0);
- Supporto per gli archivi RAR con nomi di file cifrati;
- Supporto per gli archivi RAR Multi-volume;
- Supporto per gli archivi ZIP;
- E molto altro ancora...
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Requisiti di Sistema:
Windows 95/ 98/ ME/ NT 4.0/ 2000/ 2003/ XP/ Vista or higher
Produttore:
KRyLack SoftwareHomepage:
http://www.krylack.com/archive-password-recovery/Dimensione File:
3.46 MB
Prezzo:
29.95 EUR
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Commenti su KRyLack Archive Password Recovery
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I tested this prog with
- Win XP Pro @ Pentium 4/2,8 GHz, 2 GB RAM
- Win 7 64 Bit @ Core i7 U620 (mobile version), 4 GB RAM
Installation and activation on both systems without problems (Win 7: "Install as admin" for Setup.exe and Activate.exe!).
The speed of KRyLack Archive Password Recovery on both systems is horrible slow – compared with Elcom Soft Advanced Archive Password Recovery (very old version 4.50):
I made a 150 MB RAR with a 4 digit password (1234) and told both programs to try passwords from 0000 to 9999.
Results @ Pentium 4:
Elcom Soft Advanced Archive Password Recovery: 18 pws/min
KRyLack Archive Password Recovery: Less than 1 password/minute
Elcom Soft Advanced Archive Password Recovery got the password in 1 min + 8 secs.
KRyLack Archive Password Recovery got the pw after 44 minutes.
With the laptop with Core i7 KRyLack got the pw after 45 minutes.
The Core i7 U620 has 2 real cores = 4 virtual cores. The CPU Usage at the Core i7 was about 26 % (average), even the priority setting in CRyLack was "High". The CPU Usage at the Pentium 4 was about 75 % (priority setting "Medium").
Remember, the password was just 1234 and I told both programs to search for a password between 0000 and 9999. Now try to imagine how long KRylack needs to recover a password with unknown length, including Latin, caps, digits and symbols. Forget about it!
Sorry for my shitty little English and sorry to you KRyLack guys, your program is useless! Try to learn from Elcomsoft!
After installation and activation, a somewhat gaudy interface was presented.
To test, a zip file password protected by PK ZIP v2.0, the old standard, was handled with ease, running at over 4000 password per second, but surprisingly not taking full advantage of the CPU’s quad core capabilities.
When presented with a zip file protected using AES it informed me it could not handle it!
About 10 years ago, a zip file protected by a long password contained information I needed to extract. The program I was attempting to crack it with, was considered to be a particularly good one, it informed me that it could take up to 4000 years to crack. I cracked it, but I’m no Alan Turing, I did it using a “Known-plaintext Attack” and I cannot see that this method is available in this program, a zip files greatest vulnerability!
In testing an rar file it ran at about 18 password per second, both this and the zip file would tested using brute force.
It always amuses me when people say how weak the protection is in these types of files, they've obviously never tried to crack one that has a decent length of password!
If your government lets you, and you really need to be secure try PGP, now that’s secure.
Possibly this program would be some use if you have a collection of old protected zip files or rar files but other than that it doesn't seem to offer too much for the price.
No CUDA support. That makes this 10 times slower than cRARk. Seriously, GPU-password cracking is a must. Password cracking is the place where parallel processing works wonders.
I downloaded a small RAR file the other day and forgot to check whether or not it was encrypted. Unfortunately, it was.
WOW I thought, seeing today’s offering, downloaded it, and using my Windows 7, quad core, 6 Gig of RAM computer, setting priority to ‘high’, waited for the password.
The RAR file was less than 7 kb in size, and now over 2 hours later, I am still waiting…..? Also worried that I didn’t include ‘symbols’ in my choices, so not looking good. Will update if it works, but definitely SLOW!
mike #10
It is hard to imagine the huge numbers involved until you do the maths; using the simple formula
n!/r!(n-r)!, where n is the number of characters in our password and r is the number of printable characters at our disposal. For a 12 character password using all 96 printable characters, we can produce more than 6*10^14 passwords. If my sums are correct, at 40,000 passwords per second it would take just short of 500 years!
When you refer to credit cards all that is required is the pin number, a four character pin number using 40,000 passwords per second should be cracked in approximately 15 seconds, just showing why the password length is so important.
I must admit these figures surprised even me; it has been more than 50 years since I studied most of my mathematics, so I have checked and double checked my calculations and I can't find any fault, just hope to God it's not senility!
Just to clarify matters a ”Known-plaintext Attack” is one where you know the contents of a protected file. For instance, if someone had protected a text file say, containing a well-known nursery rhyme and we knew it, then it would only take seconds to find the password.
Let me end by saying how much I enjoy your comments and courteous way you present them.
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@Lukas, grazie:)
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@POPOF: no serve solo per trovare una password per un .rar o .zip che non ti ricordi. Certo che pero' e' troppo lento per esser utile.....
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sembra meglio del similare asterisk password decryptor proposto da gaotd praticamente un mese fa; stesso problema del mese scorso: versione trial che praticamente non combina nulla, copia di valutazione che però, nonostante l'activate di gaotd si ferma quando serve. mah....è da tanto che cerco/provo software del genere ma in queste condizioni è impossibile fare una valutazione obiettiva. mi sa che lo disinstallerò, grazie comunque
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Qualcuno che abbia già installato il programma potrebbe dirmi se è anche in grado di riconoscere una password cifrata(ovvero: tradurre in caratteri leggibili gli asterischi o i pallini)anche on line (per esempio la password memorizzata in un account di posta, un forum, una chat etc...)? ...Leggendone la presentazione ivi presente o cercando all'interno del sito della software house non sono riuscito a capirlo (parrebbe di no).
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Scaricato, installato e attivato senza alcun problema......
Pero' e' di una lentezza paurosa....350-400 password in 1 minuto.... su un quad-core con 8 giga di ram mi sembrano un po pochine.....
Forse e' cosi il programma o forse deve essere cosi la "tecnica" di lavorazione, ma e' a parer mio, un programma inutile perche se devo accedere in pochi minuti a un archivio di cui non ricordo password, di sicuro questo non puo esser la soluzione.
Peccato. Pollice giu'.
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