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Fastest, tested, mostly free password recovery software with benchmarks and review
Archives → RAR password recovery → cRARk modified: [2012-01-17]
Parallel Password Recovery
cRARk ver. 3.4b
Size: 450K
WinXP-2003; Vista/7; Unix,Linux; Mac
+++ (2.77 / 1033 votes)
(820387 downloads)
Release date: [2011-12-07]

by P. Semjanov

Benchmarks, passwords/sec

Pentium 4 rate: 50 (rar 3.0) / 5300 (rar 2.0)
Core 2 Duo rate: 140 (rar 3.0) / 9000 (rar 2.0)
AMD rate : 55 (rar 3.0 / 6900 (rar 2.0)
CUDA rate : 2400 (rar 3.0)
Optimized for Pentium II/III; Pentium 4; Core 2; AMD; NVIDIA GPU; ATI GPU
fastest
download

Description:
A command-line utility for RAR 2.x-3.x-4.x password cracking, uses Password Cracking Library 2.0 that supports special password recovery language. Multi-volume, self-extracting, encrypted headers archives supported. Highly optimized for all modern processors, supports NVIDIA CUDA and OpenCL technology.
Attacks:  brute-force; dictionary; rule-based

Price:  Free
    What's new in the latest version:

    OpenCL support for both NVIDIA and AMD GPU's, newest CPU (including Sandy Bridge and Bulldozer) support.
Russian Password Crackers review:
No review yet

Users' comments:

User monkey7 wrote about ver. 3.1b 2008-01-23

Despite the password definition file being a little hard to define, this program is quite good :)

The geocities.com/ortosdoxa/cRARk.zip contained a good example of a definition file. Using that example I was able to debug my own one.

Score: 4, not 5 because of the -in the beginning- hard password definitions.

User somebody wrote about ver. 3.1b 2008-01-23

Maybe you suck, at reading and applying what's written in the documentation (which is quite an easy task) LOL

PS. geocities.com/ortosdoxa/cRARk.zip

User Jamie wrote about ver. 3.1b 2008-01-21

this really sucks! my rating 0

User somebody wrote about ver. 3.1b 2008-01-16

I'm wondering: can unicode passwords be found with this program (with '\XX')? I've tried a little, but with no results ...

User wrote about ver. 3.1b 2008-01-14

I've made a mistake in my previous post. The pass.def file should look like:

##
[$a $A $1 $!] e [$a $A $1 $!] *

Hope I've got it right this time.

User wrote about ver. 3.1b 2008-01-14

I'm no expert at this, but here goes an example:

If you're trying to find a password as described by you but with the following restrictions:
1. password length: between 7 and 9 characters
2. 'e' is the second character in the password
3. the password contains only upper&lower case Latin letters, plus numbers and symbols
... then your def file (e.g. pass.def) should look something like:

##
[$a $A $1 $!] e *

You can launch the program from a .bat (e.g. x.bat) file that would look something like:

crark -l7 -g9 -ppass.def archive.rar
or
crark-hp -l7 -g9 -ppass.def archive.rar

... depends on the kind of archive you have. 'archive.rar' - the name of your archive. Make sure you have all the files in the same folder.

User Max wrote about ver. 3.1b 2008-01-14

Hello,

yes, I want to try a bruteforce attack (later with 10 computers at work), but I\'m not able to get it run as described on my own pc... can you help me out?

Thanks

Max

User somebody wrote about ver. 3.1b 2008-01-13

Hi Max,

It looks like you're trying a brute force attack with almost all the possibilities. Not recommended. Takes a lot of time to find, especially if your password is more than say 7 (?) characters. Because let me cite the documentation:

"The rate of password search should be about of 100 passwords per second on modern powerful computer, so finding the 6-characters password of the lower case Latin letters will need about a month"

User Max wrote about ver. 3.1b 2008-01-13

Hi,

could anybody help me out, pls?

I've to search a pw with unknown length, and onknown charakters. But I know, that an "e" ist at least once on an unknown position...

I tried it many times to get it managed in the password file - but without success.

Could anybody tell me the correct setting?

Thanks a lot

Max
My rating:4

User tsk tsk tsk wrote about ver. 3.1b 2008-01-09

cant really crack my stuff..ehehe..dang!

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