Support

FAQ

Read the L0phtCrack FAQ to find the answers to frequently asked questions.

Documentation

Read the online L0phtCrack 7 Documentation for full product feature explanation. You can download the documentation in PDF form.

Support

Email support@l0phtcrack.com for customer support.

L0phtCrack offers one year email support for our perpetual licenses (L0phtCrack Professional, Administrator, and Enterprise). Maintenance contracts for extended support after one year can be purchased. Extended maintenance provides priority bugfixes and updates.

Please contact support if you:

Are having a crash or other anomalous behavior. Please report OS version of the machine running L0phtCrack and if applicable the OS of the remote machine.

User Mailing List

The user mailing list is useful to understand how other customers are using L0phtCrack as part of their information security efforts.

Homepage: http://groups.google.com/group/l0phtcrack-users
Group email: l0phtcrack-users@googlegroups.com


Release Notes

Version 7.1.1

Enhancements
————

Updated JtR core to latest upstream.
Added new dictionary cracking rulesets.
Enabled GPU dictionary cracking. Still slow, but better than plain CPU in many cases. Next update will improve speed.
Added ‘Don’t display cracked passwords’ option, displays passwords with ‘*’ character.

Bugs Fixed
———-
Tested successfully on 2x NVidia GTX2080Ti setup.
Disable ‘strong’ crack in wizard unless you have a GPU, since it will always perform suboptimally without one.
Improved remote agent authentication.

Hashes
——

lc7setup_v7.1.1_Win64.exe
MD5 Digest: bfb440e291a3b5807aeb23a82bfd754c
SHA256 Digest: 6000b2911198f87f9440e207ab2ef37df033fdcd32375cc4f4c45fb28dc75842

lc7update_v7.1.1_Win64.exe
MD5 Digest: 3b01e09f287f02d6a9c2d4bea48db105
SHA256 Digest: 8976ee02390eb90c018343dbd42f95967a0d70065c5fbb3bc976ad6feef6a896

lc7setup_v7.1.1_Win32.exe
MD5 Digest: 1003b83bd3851bcc766610f196657b8a
SHA256 Digest: 76689dee2e25e71aaa8a072db0e82e2603d0cb424b16c8cccc5027215149a3ce

lc7update_v7.1.1_Win32.exe
MD5 Digest: 01a9ec7286bc27566cc436e1142f6929
SHA256 Digest: 2756fe383f9259f6c446f254d62b326b3892c7417ebd8fc6cf8876ff6f514450

Version 7.1.0

Enhancements
————

Revamped calibration system in preparation for support of multiple cracking engines
Added directory services replication import mechanism for remote windows domain controller imports
NTDS.DIT imports now support ‘dirty’ databases that were not repaired after copying

Bugs Fixed
———-

NTDS.DIT import now supports Windows Server 2016 on all client platforms
jtrexe was crashing on virtualized platforms and systems without OpenCL

Hashes
——

lc7setup_v7.1.0_Win64.exe
MD5 Digest: 84b0af9fdf8f5d2012ca64585549ccc7
SHA256 Digest: b572b2d1365edd28f6a0216e5ac881366ed8c0491514c554e5cdfdc1ee13d3bc

lc7update_v7.1.0_Win64.exe
MD5 Digest: c6d063b9cc20160938a522503a15bf07
SHA256 Digest: d477329479ece4a4d45a617176dbdcab70291cd90722b167884918f4fdff7bd0

lc7setup_v7.1.0_Win32.exe
MD5 Digest: 35e44ce279312084488b252983848ca7
SHA256 Digest: 5188ff8168b19823c3ae9fe95af8f684c8e029350e340061c87b3bf8641d2b03

lc7update_v7.1.0_Win32.exe
MD5 Digest: ce6b09b0bf4ac871abbfed76b1aa2f82
SHA256 Digest: 789062084a099bee19bac8dd34f78e86792ddfb4de87e11f354e9689b69db660

Version 7.0.16

Bugs Fixed
———-

Fix importing on latest Windows 10 and Windows Server 2016. Fixes issues with local and remote import.

Hashes
——

lc7setup_v7.0.16_Win64.exe
MD5 Digest: f1b742cdc1eaf6cd1cd45178a5da0045
SHA256 Digest: d6361e8f1964ec66b4f6c0f32bc308c6111446bc45cc9262ae1ddb56dfc654ee

lc7update_v7.0.16_Win64.exe
MD5 Digest: 14c6d1f9a1ed9b2f774c5797eaa2bdc1
SHA256 Digest: 8f7e1bb6589febe943fa4650c2afeaf4f105a362cac90d64350d1dec97e77947

lc7setup_v7.0.16_Win32.exe
MD5 Digest: 008d628dc3a34c6a396a8e2f04191d44
SHA256 Digest: fc2d684ae03bc630bcecdc0b4fa5e7d59ac6a496950eae6d7ae84b8e73f6747f

lc7update_v7.0.16_Win32.exe
MD5 Digest: 8e7a5b0f2548c460c1d9ee232089af23
SHA256 Digest: e34c36f9317874ecc9535db8a468c6c858335f5a1d62807e64da487505ba554a

Version 7.0.15

Bugs Fixed
———-

Fix issue saving session files on scheduled jobs
Clean up JTR exit code

Hashes
——

lc7setup_v7.0.15_Win64.exe
MD5 Digest: bc805ff195c96b3a23c76bd6c492ac66
SHA256 Digest: 8b970b10748fe330f21e5cda549970197c18ea02a87a9d65991e1b9b328c9a85

lc7update_v7.0.15_Win64.exe
MD5 Digest: cfe57e69af33c6ba13f80f8bc3715ccf
SHA256 Digest: e5de9b99581a2bff9b51f88e69344cebb060739740104ef3ac44dc24ef69ee86

lc7setup_v7.0.15_Win32.exe
MD5 Digest: 315b0b6bd3c56f622fd8d6ae0198c7b4
SHA256 Digest: b7ef745f2f73da32f14d9c6696bce57851343444bbf7b3132f66e5b0f6327d5b

lc7update_v7.0.15_Win32.exe
MD5 Digest: 440f15284823008ca9fabc6c99b4f1b8
SHA256 Digest: 88e89720c86775754da32de91049fdbb3f200cea49a8363d6aba471749083e56

Version 7.0.14

Bugs Fixed
———-

In some cases, automatic updates were not working. If the built-in updater does not work for you, please re-download the newest installer to upgrade.
On newest AMD drivers, GPU Util/Temp/Fan meters and GPU temperate monitoring was not working.
JTREXE was crashing on some versions of Windows when a queue item finished
CSV export had embedded newlines in fields
Removing imported accounts wasn’t working correctly all the time
Multimonitor setups had issues with DPI scaling and switching

Hashes
——

lc7setup_v7.0.14_Win64.exe
MD5 Digest: 7ac4f4bff8c30511684aa24d1de2dbd9
SHA256 Digest: 45c8c6f1d3e6cfe66e1b4a7a37eb8c7ff33a6725904f37c7fcddeabcd0421c34

lc7update_v7.0.14_Win64.exe
MD5 Digest: d94c9608dd928f082a048f4384d14257
SHA256 Digest: 4e15582898458c9d2ff3d671e4a02e1b13cff109dffdb733cef01f99483bbf53

lc7setup_v7.0.14_Win32.exe
MD5 Digest: 7f1b658f0d9fea64f5e78b691ed5e494
SHA256 Digest: f81e51c1f418e7f31ba56a54ffbcadab7fa38454c3fe7e83acf2700c8ed9c231

lc7update_v7.0.14_Win32.exe
MD5 Digest: 361b5dbe0aa9ca7c886783c75ffca686
SHA256 Digest: 073ee614e0b84199e62151c083d56e4ba53d1791a8428b03a0d069d03592c909

Version 7.0.13

Bugs Fixed
———-

‘Session aborted’ message on timeout is confusing
User Info not discovering all passwords
Random node “permissions error” and “bad file descriptor” errors
.lc7 File association isn’t hooked up to LC7 for sessions

Hashes
——

lc7setup_v7.0.13_Win64.exe
MD5 Digest: 755820c1af21eb74fade298e85907799
SHA256 Digest: ed0666a7ab9c591ea19b9acd0ae366b69378bcd0350ef089be7980a51984e298

lc7update_v7.0.13_Win64.exe
MD5 Digest: ec03c6d01aec2125f9460e7434738593
SHA256 Digest: 5d167df1c230f29c5e4869521a3c6aef504e59aca9e1f91290a7d290cc8dd219

lc7setup_v7.0.13_Win32.exe
MD5 Digest: 4d20231f3a6a0dd5c0ea221d4171c58c
SHA256 Digest: 7ad75a933b6796dd8416a58eb98cd305ddf56075246874117902fbbacc1d7c96

lc7update_v7.0.13_Win32.exe
MD5 Digest: a43cfa556d53c50acb4fda1e58b6bad0
SHA256 Digest: 23a86b3b8bdd24a59fcf67b76162406c894c305b4dc7d39b4e8c66a11b88ca0a

Version 7.0.12

Bugs Fixed
———-

Max time left rolls over after 24 hours in some cases
NTLM hash ‘incompatible hardware’ bug with latest NVIDIA drivers
Status bar freezes during cracking run
NTDS.DIT extraction and importing documentation was missing

Hashes
——

lc7setup_v7.0.12_Win64.exe
MD5 Digest: ee664078a0ec5f9dc3bac6d2e54531b4
SHA256 Digest: b0d5dc44aa467975741fa8653642d28f80bdcec820562eac662bd6d69c11f8ad

lc7update_v7.0.12_Win64.exe
MD5 Digest: 3c7a4e75ba996e7a98add2a3abd34ff2
SHA256 Digest: 584148d0c6a8fd3ad2454f2fe34e21dea2b5a369c389e8aa8330ddaed9a09f5b

lc7setup_v7.0.12_Win32.exe
MD5 Digest: 364dd79032f5983767b7bdb1924d8f73
SHA256 Digest: 74e34b48f27e814d521e3f2eb8328e995c328ed4cf83e9d1fbf7db684707ee30

lc7update_v7.0.12_Win32.exe
MD5 Digest: 9b94ab15c2a5ea87d27f1ce1f14e686b
SHA256 Digest: 109235f8881847a71d62df5d15b5ceacb6f097b0a151c3df9e1a493b04745532

Version 7.0.11

Bugs Fixed
———-
Last Changed Time isn’t always accurate
Mark Intel HD Graphics as unsupported GPU because their OpenCL compiler is buggy.

Enhancements
————
NTDS.DIT/System Importer
Verified working on Windows Server 2016