DMG Password Recovery

DMG Password by Thegrideon Software is a feature-rich and highly-optimized password recovery tool for OS X and macOS Disk Image files ('.dmg', '.sparseimage'). Both 128 and 256 bit AES encryption methods are supported. DMG Password is designed for MS Windows. Please use trial version to test compatibility layers and virtual machines on other platforms.

Trial installer
2022.05.05
4 Mb / .exe

Trial portable
2022.05.05
4 Mb / .zip

Buy License Key »
Home license: 30 USD per PC
Pro license: 45 USD per PC

DMG Password Recovery Features:

Several password search attacks can be configured and queued:

advanced mixed attacks for precise search range setup:

multi-position moves to cover modern password policies;
simple modifications: add part(s) copy, replace chars, etc.
typing errors, case switching, char substitutions;

brute-force attacks based on a charset and length selected:

limit number of equal, capital or special chars or digits;

dictionary attacks with modifications (several wordlists are included):

advanced keyboard layouts-aware recovery technique;
password in reverse, capitalized, uppercased, lowercased;

number ranges (e.g. 1-31, 01-12, 2013-2020, etc.);

"Output attacks to a file" option to verify search settings, generate new wordlist, etc.
Audio, script or web address based post-search notification.
Highly optimized code (SSE, AVX, AVX2, AVX-512) guarantees best performance.
Utilizes NVIDIA and AMD Graphics processing units with a high-performance methods.
Supports up to 64 simultaneous processing threads (multi-CPU, multi-GPU).
Windows 7 - Windows 11.

Program Screenshots:

Disk Image password protection:

.dmg and .sparseimage disk image files password protection is based on PBKDF2 key derivation function and AES-128 or AES-256 encryption algorithms. Passwords are hashed with thousands of iterations, thus recovery speed is limited, but we did our best to enhance this tool performance (recovery speed) with some advanced methods. DMG Password allows you to setup a very precise search range to exploit known password details (parts and patterns) and reduce the search time required in comparison to traditional attacks. Just check mixed attacks for example.You may also check Password Search FAQ.

Password Recovery Speed:

Disk Image encryption complexity (number of hash iterations) is variable from file to file (from 1000 upto 300 000). The following tables are based on .dmg files with 100 000 iterations.
The final password recovery speed is equal to CPUspeed + GPU(1)speed + ... + GPU(N)speed.
For example: Intel Core i3 + AMD R9 270 = 250 + 3500 = ~3750 p/s.

CPU:
Instructions Set:
Speed p/s:

Intel® Core™2 Duo T7500 @ 2.20GHz	Intel® Core™ i3 2100 @ 3.10GHz	Intel® Core™ i3 4130 @ 3.40GHz	Amazon EC2 "c5.large" Xeon® Platinum core
SSE2	AVX	AVX2	AVX512
~50	~110	~250	~300

AMD and Nvidia GPUs
Compute units or stream multiprocessors (CU, SM, SMX, SMM) are the main building blocks of GPU calculation power, thus 32xCU GPU card is usually twice as fast as 16xCU GPU card of the same family and architecture running at the same frequency.
You can expect approximately 300-400 p/s performance per every Nvidia SM running at 1Ghz and approximately 150-200 p/s per every AMD CU.

GT 640 (Kepler) 2xSMX, 1045 MHz	Tesla M60 (Maxwell) 16xSMx, 1150 MHz	GTX 1080 Ti (Pascal) 28xSM, 1580 Mhz	Tesla V100 (Volta) 80xSM, 1380 Mhz
+ 670 p/s	+ 7 700 p/s	+ 22 000 p/s	+ 33 000 p/s
670/2/1.05=319	7700/16/1.15=418	22000/28/1.58=500	33000/80/1.38=300

HD 6770 (VLIW5) 10xCU, 850 Mhz	R9 270 (GCN 1) 20xCU, 950 MHz	RX 480 (GCN 4) 36xCU, 1260 MHz	RX Vega 64 (GCN 5) 64xCU, 1500 MHz
+ 1 750 p/s	+ 3 500 p/s	+ 7 900 p/s	+ 17 000 p/s
1750/10/0.85=205	3500/20/0.95=185	7900/36/1.26=175	17000/64/1.50=180

It is important to mention that AMD and NVIDIA architectures are quite different and although AMD per CU performance is lower, there are more CUs per card in a similar price range. Moreover GPU performance is somewhat variable with number of factors including GPU/CPU combination and even a driver version. Please contact us if your recovery speed is noticeable different from the data above.

Trial Version Limitations:

Trial version is available to check format and hardware compatibility. It allows you to setup and test run any password search for up to 15 min per run. Recovered passwords are hidden behind the asterisks.