BlackZluk 勒索软件：您需要了解哪些信息才能确保安全

勒索软件是数字领域最严重的威胁之一，而另一种勒索软件 BlackZluk 也加入了这一行列。与其他勒索软件一样，BlackZluk 旨在加密受害者系统上的文件，使其无法访问，并要求受害者付款以换取解密密钥。随着网络犯罪分子继续利用企业网络中的漏洞，个人和企业必须随时了解并做好准备，以应对这些新出现的威胁。

在这里，我们将探讨什么是 BlackZluk 勒索软件、勒索软件通常如何工作以及受害者如何成为攻击目标。最重要的是，我们将讨论避免成为这些危险攻击的受害者的策略。

什么是 BlackZluk 勒索软件？

BlackZluk 勒索软件是一种恶意软件，它会加密受害者的文件，并在其后附加“.blackZluk”扩展名。例如，原本名为“document.pdf”的文件在加密后会变成“document.pdf.blackZluk”。加密过程结束后，会生成一封名为“#RECOVERY#.txt”的勒索信，并放置在受感染的系统中，告知受害者其文件现在无法访问。

勒索信中的信息令人震惊：它指出受害者的网络已被入侵，敏感数据已被盗，除非受害者支付赎金，否则文件将保持加密状态。该信还警告不要尝试通过防病毒软件或第三方帮助进行任何形式的恢复，并暗示此类操作可能会导致永久性数据丢失。

查看下面的赎金记录：

Hello my dear friend (Do not scan the files with antivirus in any case. In case of data loss, the consequences are yours)
Your data is encrypted

Unfortunately for you, a major IT security weakness left you open to attack, your files have been encrypted
The only method of recovering files is to purchase decrypt tool and unique key for you.
Download the (Session) messenger (hxxps://getsession.org) in messenger: 0569a7c0949434c9c4464cf2423f66d046e3e08654e4164404b1dc23783096d313 You have to add this Id and we will complete our converstion
In case of no answer in 24 hours write us to this backup e-mail: blackpro.team24@onionmail.org
Our online operator is available in the messenger Telegram: @Files_decrypt or hxxps://t.me/Files_decrypt
Check your e-mail Spam or Junk folder if you don't get answer more than 6 hours.
Contact us soon, because those who don't have their data leaked in our press release blog and the price they'll have to pay will go up significantly.

Attention

Do not rename encrypted files.
Do not try to decrypt your data using third party software - it may cause permanent data loss.
We are always ready to cooperate and find the best way to solve your problem.
The faster you write - the more favorable conditions will be for you.
Our company values its reputation. We give all guarantees of your files decryption.

What are your recommendations?
Never change the name of the files, if you want to manipulate the files, be sure to back them up. If there are any problems with the files, we are not responsible for them.
Never work with intermediary companies because they charge you more money.Don't be afraid of us, just email us.

Sensitive data on your system was DOWNLOADED.
If you DON'T WANT your sensitive data to be PUBLISHED you have to act quickly.

Data includes:
Employees personal data, CVs, DL, SSN.
Complete network map including credentials for local and remote services.
Private financial information including: clients data, bills, budgets, annual reports, bank statements.
Manufacturing documents including: datagrams, schemas, drawings in solidworks format
And more…
What are the dangers of leaking your company's data.
First of all, you will receive fines from the government such as the GDRP and many others, you can be sued by customers of your firm for leaking information that was confidential. Your leaked data will be used by all the hackers on the planet for various unpleasant things. For example, social engineering, your employees' personal data can be used to re-infiltrate your company. Bank details and passports can be used to create bank accounts and online wallets through which criminal money will be laundered. On another vacation trip, you will have to explain to the FBI where you got millions of dollars worth of stolen cryptocurrency transferred through your accounts on cryptocurrency exchanges. Your personal information could be used to make loans or buy appliances. You would later have to prove in court that it wasn't you who took out the loan and pay off someone else's loan. Your competitors may use the stolen information to steal technology or to improve their processes, your working methods, suppliers, investors, sponsors, employees, it will all be in the public domain. You won't be happy if your competitors lure your employees to other firms offering better wages, will you? Your competitors will use your information against you. For example, look for tax violations in the financial documents or any other violations, so you have to close your firm. According to statistics, two thirds of small and medium-sized companies close within half a year after a data breach. You will have to find and fix the vulnerabilities in your network, work with the customers affected by data leaks. All of these are very costly procedures that can exceed the cost of a ransomware buyout by a factor of hundreds. It's much easier, cheaper and faster to pay us the ransom. Well and most importantly, you will suffer a reputational loss, you have been building your company for many years, and now your reputation will be destroyed.

Do not go to the police or FBI for help and do not tell anyone that we attacked you.
They won't help and will only make your situation worse. In 7 years not a single member of our group has been caught by the police, we are top-notch hackers and never leave a trace of crime. The police will try to stop you from paying the ransom in any way they can. The first thing they will tell you is that there is no guarantee to decrypt your files and delete the stolen files, this is not true, we can do a test decryption before payment and your data will be guaranteed to be deleted because it is a matter of our reputation, we make hundreds of millions of dollars and we are not going to lose income because of your files. It is very beneficial for the police and the FBI to let everyone on the planet know about the leak of your data, because then your state will receive fines under GDPR and other similar laws. The fines will go to fund the police and FBI. The police and FBI will not be able to stop lawsuits from your customers for leaking personal and private information. The police and FBI will not protect you from repeat attacks. Paying us a ransom is much cheaper and more profitable than paying fines and legal fees.

If you do not pay the ransom, we will attack your company again in the future.
Start messaging with your unique ID an incident file #RECOVERY#.txt
your unique ID

BlackZluk 的目标：勒索和数据盗窃

与其他勒索软件程序一样，BlackZluk 旨在向受害者勒索金钱。通过锁定受害者的文件，攻击者希望通过威胁无法访问有价值的数据来迫使企业或个人支付赎金。此外，BlackZluk 的创建者使用双重勒索策略：他们不仅加密文件，还窃取敏感数据。这些被盗数据可能包括公司机密、财务记录或有关员工和客户的个人信息。如果受害者不支付赎金，攻击者就会威胁公开泄露这些数据，从而增加受害者遵守要求的压力。

文件加密和数据盗窃的结合使得 BlackZluk 勒索软件特别危险。即使组织备份了数据，对敏感信息泄露的恐惧仍会促使其考虑支付赎金。

勒索软件的工作原理

勒索软件程序通常遵循类似的模式：它们渗透到系统中，加密文件，然后要求付款以换取恢复文件。勒索软件使用的加密过程可能有所不同，有些使用对称加密（加密和解密使用相同的密钥），而另一些则使用非对称加密（一对密钥，一个用于加密，另一个用于解密）。无论使用哪种方法，一旦文件被加密，在没有攻击者密钥的情况下恢复文件通常是不可能的。

虽然有些受害者可能会想支付赎金，但网络安全专家强烈建议不要这样做。攻击者收到付款后不一定能提供解密密钥，而受害者通过付款会助长网络犯罪分子的行动，从而为未来的攻击提供便利。此外，付款并不能阻止攻击者泄露被盗数据。

BlackZluk 的攻击方法

与大多数恶意软件一样，BlackZluk 勒索软件通常通过钓鱼电子邮件、恶意附件和受感染的网站进行传播。攻击者经常使用社交工程策略诱骗受害者下载并打开受感染的文件。一旦文件被执行，勒索软件就会加密受害者的文件并显示赎金通知。

在许多情况下，勒索软件会通过网络漏洞或安全性较弱的系统进行传播。恶意软件可以在网络内传播，感染其他设备，这使得勒索软件攻击对拥有互联系统的企业尤其具有破坏性。

保护自己免受 BlackZluk 勒索软件的侵害

鉴于勒索软件攻击的严重性，预防是关键。您可以采取几个步骤来保护自己免受 BlackZluk 勒索软件和类似威胁的侵害。

1. 定期备份：防范勒索软件的最佳方法是定期备份所有关键数据。确保备份存储在多个位置，包括离线或远程服务器，这样攻击者就无法访问它们。
2. 保持软件更新：保持所有软件（尤其是操作系统和安全程序）更新至关重要。许多勒索软件攻击利用过时软件中的已知漏洞，因此及时更新补丁和更新有助于防止感染。
3. 谨慎对待电子邮件和下载：网络钓鱼电子邮件通常会传播勒索软件。避免打开不熟悉的电子邮件中的附件或点击链接，尤其是来自未知发件人的电子邮件。仅从受信任和经过验证的来源下载文件和软件。

删除BlackZluk勒索软件

如果系统感染了 BlackZluk rRansomware，尽快删除恶意软件对于防止进一步文件加密至关重要。但是，删除勒索软件不会解密已受影响的文件。恢复加密文件的唯一方法是使用备份（假设有备份）。这进一步强调了定期安全备份的重要性。

删除勒索软件时，务必使用专业的防病毒或反恶意软件，并在必要时咨询网络安全专业人员。尝试手动解密文件或使用第三方解密工具可能会造成额外损坏或永久性数据丢失。

结论：预防是最好的治疗

BlackZluk 勒索软件的兴起提醒人们网络犯罪分子不断带来的危险。勒索软件程序已经发展到锁定用户数据并窃取和威胁泄露敏感信息。BlackZluk 勒索软件采用双重勒索策略，强调了警惕、适当的网络安全实践的必要性，最重要的是备份关键数据的重要性。

如果您定期更新软件、谨慎处理电子邮件附件并维护安全备份，则可以保护自己免受勒索软件的破坏性影响。虽然删除勒索软件可能会阻止进一步的损害，但预防是确保您不会成为 BlackZluk 勒索软件等攻击的下一个受害者的最有效方法。