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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)
(821980 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 brajan wrote about ver. 3.1b 2008-05-16

Under linux:

:(

ccgDt - Header CRC Ok
*** glibc detected *** ./crark-hp: double free or corruption (!prev): 0x09bc41a0 ***
======= Backtrace: =========
/lib/libc.so.6[0xb23aa6]
/lib/libc.so.6(cfree+0x90)[0xb26fc0]
/lib/libc.so.6(fclose+0x136)[0xb12806]
./crark-hp[0x804d24c]
./crark-hp[0x80729c9]
./crark-hp[0x8072a46]
./crark-hp[0x8072a46]
./crark-hp[0x8072a46]
./crark-hp[0x8073006]
./crark-hp[0x8073aa3]
./crark-hp[0x8074332]
./crark-hp[0x8071ec1]
./crark-hp[0x804cdb6]
./crark-hp[0x804d790]
/lib/libc.so.6(__libc_start_main+0xdc)[0xad2dec]
./crark-hp(__gxx_personality_v0+0x7d)[0x8049c51]
======= Memory map: ========
00110000-00112000 rwxp 00110000 00:00 0
00141000-00341000 r-xp 00000000 08:03 8856641 /usr/lib/locale/locale-archive
004ea000-004eb000 rwxp 004ea000 00:00 0
00a9b000-00ab4000 r-xp 00000000 08:03 5996583 /lib/ld-2.5.so
00ab4000-00ab5000 r-xp 00019000 08:03 5996583 /lib/ld-2.5.so
00ab5000-00ab6000 rwxp 0001a000 08:03 5996583 /lib/ld-2.5.so
00abd000-00bf7000 r-xp 00000000 08:03 5996585 /lib/libc-2.5.so
00bf7000-00bf9000 r-xp 0013a000 08:03 5996585 /lib/libc-2.5.so
00bf9000-00bfa000 rwxp 0013c000 08:03 5996585 /lib/libc-2.5.so
00bfa000-00bfd000 rwxp 00bfa000 00:00 0
00c05000-00c2a000 r-xp 00000000 08:03 5996767 /lib/libm-2.5.so
00c2a000-00c2b000 r-xp 00024000 08:03 5996767 /lib/libm-2.5.so
00c2b000-00c2c000 rwxp 00025000 08:03 5996767 /lib/libm-2.5.so
00ee5000-00ee6000 r-xp 00ee5000 00:00 0 [vdso]
03918000-039f8000 r-xp 00000000 08:03 8867198 /usr/lib/libstdc++.so.6.0.8
039f8000-039fc000 r-xp 000df000 08:03 8867198 /usr/lib/libstdc++.so.6.0.8
039fc000-039fd000 rwxp 000e3000 08:03 8867198 /usr/lib/libstdc++.so.6.0.8
039fd000-03a03000 rwxp 039fd000 00:00 0
03a05000-03a10000 r-xp 00000000 08:03 5996769 /lib/libgcc_s-4.1.2-20070626.so.1
03a10000-03a11000 rwxp 0000a000 08:03 5996769 /lib/libgcc_s-4.1.2-20070626.so.1
08048000-08088000 r-xp 00000000 08:03 13993583 /home/brajan/crark/crark-hp
08088000-0808a000 rwxp 0003f000 08:03 13993583 /home/brajan/crark/crark-hp
0808a000-08110000 rwxp 0808a000 00:00 0
09bc3000-09be4000 rwxp 09bc3000 00:00 0
b7e00000-b7e21000 rwxp b7e00000 00:00 0
b7e21000-b7f00000 --xp b7e21000 00:00 0
bf7fe000-bf813000 rwxp bf7fe000 00:00 0 [stack]
Aborted

My rating:1

User Uber wrote about ver. 3.1b 2008-05-01

there is only one file is password protected int this rar archive.so dont try to extract whole rar archive but open it by d. click and extract rest of the files within archive expect one (which is protected)

User cakuhnen wrote about ver. 3.1b 2008-05-01

Excellent program, on a Pentium 4 i can search 75 passwords p/s
others programs avaliable only 30 to 34 passwords p/s
Hopefully you add Hyperthreading support and SSE3 to it, it will rock, i did this test using this charset [$a $A $1 $! $i $I $o] *
i recovered my password sucessfuly, dont stop the development of this great program


My rating:4

User Questioner wrote about ver. 3.1b 2008-04-22

Hi! Very nice program. I have tried to recover password from winrar encrypted headers. The program succeeded to find the 6-character password, I saw "Header CRC Ok" indication, however, the dossier cannot be seen although there is a 24 Mb document available. What could be the possible reason? Thanks in advance.

User eadmaster wrote about ver. 3.1b 2008-04-19

linux version is here:
http://www.password-crackers.com/DOWNLOAD/crark31-linux.tar.gz

User RazorJack wrote about ver. 3.1b 2008-04-15

is the source code available somewhere?

i'm really interested in the fast AES decryption ...

User wdef wrote about ver. 3.1b 2008-04-14

Where's the linux version in this archive? Not there.

The only version of crack I can find for linux is in crark2.3a from http://ftp.pwr.wroc.pl/pub/stuba/sacftp.inx

Did the author stop developing a linux version, or what?

User Christ wrote about ver. 3.1b 2008-04-08

Plz sent the tutor this software..thkx alot
tyan@vista.aero
My rating:2

User dirizhor wrote about ver. 3.1b 2008-04-01

Damn good. I din't expect so very nice software.. thanks all
My rating:5

User wrote about ver. 3.1b 2008-03-18

hi are you all dumb the file can be extracted without the password
just extract the folder crack11.rar in my case to any folder when is ask for a password cancel it..do remember it is a command line utility

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