如何安全地偵測、封鎖和刪除 Qepi 勒索軟體

Qepi 勒索軟體是 Djvu 家族的成員，它會對檔案進行加密，並將「.qepi」副檔名附加到檔案名稱中，從而使受害者無法存取其資料。在惡意軟體分析過程中發現的 Qepi 通常與 RedLine 或 Vidar 等資訊竊取者合作。

破解勒索信

Qepi 留下的勒索信聲稱對所有文件進行了加密，並要求支付解密工具的費用。它承諾免費解密一個文件，儘管這個文件被認為不重要，但它給人帶來了一線希望。提供溝通管道以及截止日期和折扣優惠。

Qepi 勒索信內容如下：

ATTENTION!

Don't worry, you can return all your files!
All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
Do not ask assistants from youtube and recovery data sites for help in recovering your data.
They can use your free decryption quota and scam you.
Our contact is emails in this text document only.
You can get and look video overview decrypt tool:
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Price of private key and decrypt software is $999.
Discount 50% available if you contact us first 72 hours, that's price for you is $499.
Please note that you'll never restore your data without payment.
Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.

To get this software you need write on our e-mail:
support@freshingmail.top

Reserve e-mail address to contact us:
datarestorehelpyou@airmail.cc

Your personal ID:
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揭秘 Djvu 勒索軟體策略

Djvu 勒索軟體採用複雜的流程來加密文件，包括動態 API 解析和流程空洞，以逃避偵測並偽裝其活動。

抓住勒索軟體的本質

勒索軟體作業通常涉及加密和贖金要求，需要以加密貨幣支付。如果不遵守規定，受害者將面臨最後期限和永久資料遺失的警告。

防範勒索軟體滲透

用戶可以透過避免盜版軟體、謹慎對待電子郵件附件和連結以及維護更新的系統和安全軟體來降低勒索軟體風險。建議使用可信任的反惡意軟體工具進行定期掃描，以便快速偵測並移除 Qepi 等威脅。