Desktop lock express


Это не ransomware, но в любом случае может «захватить» Ваш сервер

На этой неделе мы рассмотрим «вымогателя» (ransomware), который на самом деле не является таковым. И даже не является вредоносной программой. Но он способен «захватить» Ваш сервер.

Несколько дней назад мы видели типичную RDP-атаку через удаленный рабочий стол, которая навела нас на мысль, что она была подобна той атаке, о которой мы рассказывали несколько месяцев назад и которую кибер-преступники использовали для заражения устройств с помощью шифровальщика. Но мы сильно заблуждались.

Прежде всего, потому, что вместо шифрования данных этот «зловред» блокировал рабочий стол с помощью пароля, который жертва не знает. Во-вторых, он не требует выкупа (!) в обмен на ключ или пароль, а скорее стремится как можно дольше удерживать устройство в заблокированном виде, чтобы как можно дольше использовать его для майнинга биткоинов. И, в-третьих, он не использует вредоносные программы как таковые.

После того как хакеры получили доступ к Вашей машине с помощью метода «brute force» (например, в рассматриваемом случае сервер получал 900 попыток в день), хакеры копируют файл под названием BySH01.zip. Он, в свою очередь, содержит следующие файлы:

1. BySH01.exe (исполняемый файл через AutoIt) 2. 7za.exe (легальная программа: хорошо известная бесплатная утилита 7zip) 3. tcping.exe (легальная программа: утилита для выполнения TCP-пингов) 4. MW_C.7z (заархивированный с паролем файл), который содержит:

  • Приложение – легальная программа для «добычи» биткионов
  • Приложение – легальная программа для блокировки рабочего стола Windows
Хакер запускает файл BySH01.exe, и появляется следующий интерфейс:

По сути, приложение для майнинга биткоинов использует этот интерфейс для настройки того, сколько использовать ядер, на какой кошелек отправлять биткоины и пр. После того, как нужные настройки выбраны, хакер нажимает на кнопку «Установить» для установки и запуска приложения по майнингу биткоинов. Приложение называется CryptoNight, и оно разработано для майнинга биткоинов с использованием процессоров.

Затем он нажимает на кнопку Локер, которая устанавливает и запускает приложение по блокировке рабочего стола. Это коммерческое приложение Desktop Lock Express 2, измененное только таким образом, что информация, показываемая в свойствах файла, точно такая же, как у системного файла svchost.exe. Наконец, он удаляет все файлы, использованные для атаки, за исключением CryptoNight и Desktop Lock Express 2.

Desktop Lock Express 2: приложение, используемое хакерами.

Мы обнаружили и заблокировали несколько атак в различных странах. Подобные примеры еще раз показывают, как кибер-преступники используют преимущества слабых паролей, которые можно подобрать с помощью метода «brute force» за определенный период времени. Больше не требуется вредоносной программы, чтобы получить доступ к системе, так что обратите внимание на то, чтобы использовать сложный пароль и защититься от нежелательных посетителей.

Советы для системных администраторов

В дополнение к использованию решений, подобных Adaptive Defense, которые обнаруживают и предотвращают такой тип атак, приведем пару советов для всех сисадминов, которые вынуждены открывать RDP:

  • Сделайте настройки таким образом, чтобы использовать нестандартный порт. 99,99% злоумышленников отслеживают все Интернет-соединения на TCP и UDP-портах 3389. Они могут отслеживать и другие, но им не обязательно это делать, т.к. большинство сисадминов не меняют эти порты. Те же, кто делает это в сочетании со сложными паролями, заботятся о безопасности корпоративной сети, чтобы хакерам было сложнее заполучить регистрационные данные в разумные сроки с помощью метода «brute force».
  • Отслеживайте неудачные попытки RDP-соединения. Таким образом, можно достаточно легко вычислить атаки типа Brute force, т.к. в этом случае хакеры используют автоматизированные системы, которые осуществляют новые попытки подключения каждые несколько секунд.

habrahabr.ru

Desktop Lock Express Free Download for Windows 10, 7, 8/8.1 (64 bit/32 bit)

Desktop Lock Express Description

Desktop Lock Express is an access control software that can lock your screen to prevent people from accessing your computer. It is one of the Desktop Lock products family, which provides the major features of Desktop Lock but decreased its size, removed unnecessary options. Desktop Lock Express can be used directly without the need of installing, all features have been included in the single exe file. Desktop Lock Express can safely lock computer on Windows NT/2000/XP/2003/Vista and later as well as Windows x64 editions.

Features

  • Desktop Lock Express Free & Safe Download!
  • Desktop Lock Express Latest Version!
  • Works with All Windows versions
  • Users choice!

Disclaimer

Desktop Lock Express is a product developed by Toplang Software. This site is not directly affiliated with Toplang Software. All trademarks, registered trademarks, product names and company names or logos mentioned herein are the property of their respective owners.

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Tips & Tricks

You can find a lot of useful information about the different software on our QP Download Blog page.

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How to uninstall Desktop Lock Express?

How do I uninstall Desktop Lock Express in Windows Vista / Windows 7 / Windows 8?

  • Click "Start"
  • Click on "Control Panel"
  • Under Programs click the Uninstall a Program link.
  • Select "Desktop Lock Express" and right click, then select Uninstall/Change.
  • Click "Yes" to confirm the uninstallation.

How do I uninstall Desktop Lock Express in Windows XP?

  • Click "Start"
  • Click on "Control Panel"
  • Click the Add or Remove Programs icon.
  • Click on "Desktop Lock Express", then click "Remove/Uninstall."
  • Click "Yes" to confirm the uninstallation.

How do I uninstall Desktop Lock Express in Windows 95, 98, Me, NT, 2000?

  • Click "Start"
  • Click on "Control Panel"
  • Double-click the "Add/Remove Programs" icon.
  • Select "Desktop Lock Express" and right click, then select Uninstall/Change.
  • Click "Yes" to confirm the uninstallation.

Frequently Asked Questions

  • How much does it cost to download Desktop Lock Express?
  • Nothing! Download Desktop Lock Express from official sites for free using QPDownload.com. Additional information about license you can found on owners sites.

  • How do I access the free Desktop Lock Express download for PC?
  • It's easy! Just click the free Desktop Lock Express download button at the top left of the page. Clicking this link will start the installer to download Desktop Lock Express free for Windows.

  • Will this Desktop Lock Express download work on Windows?
  • Yes! The free Desktop Lock Express download for PC works on most current Windows operating systems.

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Uninstall and Remove Desktop Lock Express Step by Step

Are you in need of uninstalling Desktop Lock Express to fix some problems? Are you looking for an effective solution to completely uninstall it and thoroughly delete all of its files out of your PC? No worry! This page provides detailed instructions on how to completely uninstall Desktop Lock Express.

Possible problems when you uninstall Desktop Lock Express

* Desktop Lock Express is not listed in Programs and Features.* You do not have sufficient access to uninstall Desktop Lock Express.* A file required for this uninstallation to complete could not be run.* An error has occurred. Not all of the files were successfully uninstalled.* Another process that is using the file stops Desktop Lock Express being uninstalled.* Files and folders of Desktop Lock Express can be found in the hard disk after the uninstallation.

Desktop Lock Express cannot be uninstalled due to many other problems. An incomplete uninstallation of Desktop Lock Express may also cause many problems. So, it's really important to completely uninstall Desktop Lock Express and remove all of its files.

How to Uninstall Desktop Lock Express Completley?

Method 1: Uninstall Desktop Lock Express via Programs and Features.

When a new piece of program is installed on your system, that program is added to the list in Programs and Features. When you want to uninstall the program, you can go to the Programs and Features to uninstall it. So when you want to uninstall Desktop Lock Express, the first solution is to uninstall it via Programs and Features.

Steps:

a. Open Programs and Features.

Windows Vista and Windows 7

Click Start, type uninstall a program in the Search programs and files box and then click the result.

Windows 8, Windows 8.1 and Windows 10

Open WinX menu by holding Windows and X keys together, and then click Programs and Features.

b. Look for Desktop Lock Express in the list, click on it and then click Uninstall to initiate the uninstallation.

Method 2: Uninstall Desktop Lock Express with its uninstaller.exe.

Most of computer programs have an executable file named uninst000.exe or uninstall.exe or something along these lines. You can find this files in the installation folder of Desktop Lock Express.

Steps:

a. Go to the installation folder of Desktop Lock Express.

b. Find uninstall.exe or unins000.exe.

c. Double click on its uninstaller and follow the wizard to uninstall Desktop Lock Express.

Method 3: Uninstall Desktop Lock Express via System Restore.

System Restore is a utility which comes with Windows operating systems and helps computer users restore the system to a previous state and remove programs interfering with the operation of the computer. If you have created a system restore point prior to installing a program, then you can use System Restore to restore your system and completely eradicate the unwanted programs like Desktop Lock Express. You should backup your personal files and data before doing a System Restore.

Steps:

a. Close all files and programs that are open.

b. On the desktop, right click Computer and select Properties. The system window will display.

c. On the left side of the System window, click System protection. The System Properties window will display.

d. Click System Restore and the System Restore window will display.

e. Select Choose a different restore point and click Next.

f. Select a date and time from the list and then click Next. You should know that all programs and drivers installed after the selected date and time may not work properly and may need to be re-installed.

g. Click Finish when the "Confirm your restore point" window appears.

h. Click Yes to confirm again.

Method 4: Uninstall Desktop Lock Express with Antivirus.

Nowadays, computer malware appear like common computer applications but they are much more difficult to remove from the computer. Such malware get into the computer with the help of Trojans and spyware. Other computer malware like adware programs or potentially unwanted programs are also very difficult to remove. They usually get installed on your system by bundling with freeware software like video recording, games or PDF convertors. They can easily bypass the detection of the antivirus programs on your system. If you cannot remove Desktop Lock Express like other programs, then it's worth checking whether it's a malware or not. Click and download this malware detect tool for a free scan.

Method 5: Reinstall Desktop Lock Express to Uninstall.

When the file required to uninstall Desktop Lock Express is corrupted or missing, it will not be able to uninstall the program. In such circumstance, reinstalling Desktop Lock Express may do the trick. Run the installer either in the original disk or the download file to reinstall the program again. Sometimes, the installer may allow you to repair or uninstall the program as well.

Method 6: Use the Uninstall Command Displayed in the Registry.

When a program is installed on the computer, Windows will save its settings and information in the registry, including the uninstall command to uninstall the program. You can try this method to uninstall Desktop Lock Express. Please carefully edit the registry, because any mistake there may make your system crash.

Steps:

a. Hold Windows and R keys to open the Run command, type in regedit in the box and click OK.

b. Navigate the following registry key and find the one of Desktop Lock Express:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

c. Double click on the UninstallString value, and copy its Value Data.

d. Hold Windows and R keys to open the Run command, paste the Value Data in the box and click OK.

e. Follow the wizard to uninstall Desktop Lock Express.

Method 7: Uninstall Desktop Lock Express with Third-party Uninstaller.

The manual uninstallation of Desktop Lock Express requires computer know-how and patience to accomplish. And no one can promise the manual uninstallation will completely uninstall Desktop Lock Express and remove all of its files. And an incomplete uninstallation will many useless and invalid items in the registry and affect your computer performance in a bad way. Too many useless files also occupy the free space of your hard disk and slow down your PC speed. So, it's recommended that you uninstall Desktop Lock Express with a trusted third-party uninstaller which can scan your system, identify all files of Desktop Lock Express and completely remove them. Download this powerful third-party uninstaller below.

www.uninstallhelps.com

Desktop Lock Express - New Freeware

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 License:All licensesFreewareOpen SourceSharewareDemoFree BetaFree AlphaAdware
 Language:Any Arabic Bulgarian Chinese Croatian Czech Danish Dutch English Finnish French German Greek Hindi Hungarian Icelandic Italian Japanese Korean Malay Norwegian Polish Portuguese Romanian Russian Slovak Slovenian Spanish Swedish Thai Turkish Vietnamese

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Description | Screenshot | Comments (0) | Download
Desktop Lock Express is an access control software that can lock your screen to prevent people from accessing your computer. It is one of the Desktop Lock products family, which provides the major features of Desktop Lock but decreased its size, removed unnecessary options. Desktop Lock Express can be used directly without the need of installing, all features have been included in the single exe file. Desktop Lock Express can safely lock computer on Windows NT/2000/XP/2003/Vista and later as well as Windows x64 editions.

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Version: 2Released: May, 10 2008License: Shareware, $19.95Expires: Expires after 21 Days

File size: 133 KPlatforms: Windows Vista/XP/NT/2000Downloads: 75

Desktop Lock Express is an access control software that can lock your screen to prevent people from accessing your computer. It is one of the Desktop Lock products family, which provides the major features of Desktop Lock but decreased its size.

Homepage:http://www.toplang.com/desktoplockexpress.htm

Desktop Lock Express page at FreewareSeek

Developer: TopLang

TopLang page at FreewareSeek

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