病毒清除指南

Kool virus – 呢個係咩?

Kool ransomware can correctly be described as a STOP/Djvu malware family. 呢種類型嘅病毒係針對單個用戶嘅. This specification supposes that Kool does not bring any sort of additional malware, 通常可以幫助其他家庭嘅惡意軟件控制您的電腦. Because the majority of people do not have anything valuable on their PCs, there is no reason to infiltrate other viruses that increase the risk of failure of the whole ransomware operation.

The typical signs of this ransomware activity is the emersion of .kool files in your folders, 而唔係你以前擁有嘅文件. 這 照片.jpg 變成 photo.jpg.kool, 報告.xlsx – 到 report.xlsx.kool 等陣. 你無法停止此過程, and can’t open those documents – they are encrypted with quite a strong algorithm.

你仲可以睇到勒索軟件活動嘅不同其他迹象. Abruptly stopped Microsoft Defender and inability to check the well-known anti-malware forums or web pages, 發佈刪除和文件解密指南嘅位置. 你將在下面的段落中看到它是如何工作的. 仲提供刪除和解密指南 – check below how to remove the Kool virus and get the .kool files back.

How did Kool ransomware encrypt my files?

惡意軟件注入後, the Kool virus starts a connection with its command and control server. 此服務器由惡意軟件維護者控制 – 管理此惡意軟件傳播嘅老千. 呢啲騙子所做嘅另一項活動係回覆患者的電子郵件, 打算解密文件嘅人.

呢啲文件使用最強大嘅加密算法之一進行加密 – AES-256. 該算法名稱中嘅數字表示2嘅冪 – 2^256對於呢種情況. 78-可能嘅解密密鑰變體嘅位數 – 不可能蠻力破解它. 正如分析人士所讲, 將需要比地球估計嘅更多嘅時間, 即使您使用功能最強大的電腦. 包含加密文檔緊嘅每個文件夾中, Kool virus leaves the _readme.txt file with the following contents:

注意力!

唔使擔心, 你可以返回所有文件!
All your files like pictures, 數據庫, 文檔同其他重要文件使用最強嘅加密同唯一密鑰進行加密.
恢復文件的唯一方法是為您購買解密工具和唯一密鑰.
該軟件將解密您的所有加密文件.
您有咩保證?
你可以由PC發送一個加密文件，我哋免費解密.
但我哋只能解密 1 免費提交文件. 文件不得包含有價值嘅信息.
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.
你可以獲取並查看視頻概述解密工具:
https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a
Price of private key and decrypt software is $999.
折扣 50% 如果您先與我們聯繫，則可以使用 72 小時, 就係你嘅價錢 $499.
請注意，如果唔付款，你將永遠無法恢復數據.
檢查您的電子郵件 "垃圾郵件" 或 "垃圾" 文件夾，如果您沒有得到超過 6 小時.


要獲得此軟件，你需要喺我哋嘅電子郵件上寫信:
support@freshingmail.top

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

Your personal ID:
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

儘琯如此, 你仍然可以運行某些文檔. The Kool ransomware encrypts only the first 150 每個文件嘅知識庫, 但係可以打開此文檔嘅另一部分. 主要, 它最適合音頻/視頻文件, 肯定大於 150 千字節. 並非每個媒體播放器都能夠打開呢啲文件 – WinAmp係最好嘅選擇, 因為佢係免費嘅並且經過充分測試. 每個文件嘅頭幾秒钟將賴 – 部分係加密嘅 – 但係文檔嘅其餘部分將像乜都冇發生一樣可訪問.

Is Kool ransomware dangerous for my PC?

正如之前幾段所描述嘅咁, 勒索軟件不僅僅昰加密文件. Kool malware makes the changes in your operating system in order to prevent looking for the virus removal and file decryption guides. 惡意軟件唔會建立軟件屏障 – 它只是更改系統設置, 主要 – 網絡和安全配置.

透過網絡配置, 更改最多嘅項目係HOSTS文件. 此文本文件保留DNS地址配置, Web瀏覽器喺向服務器請求時使用. 如果你為特定網站添加咗特定嘅DNS地址, 您的網絡瀏覽器下次將透過該DNS連接該網站. 勒索軟件更改此文件, 添加唔存在嘅DNS, 因此，任何Web瀏覽器都會向你顯示“無法解析DNS地址”錯誤.

Other alterations done by the ransomware are aimed at prevention of operative spotting of itself, 並且仲禁用大多數安全工具嘅安裝. Kool virus implements several modifications in Group Policies – the system configuration app which gives you the right to alter the abilities of each program. 以噉嘅方式, ransomware disables the Microsoft Defender and various other anti-malware apps, 並且仲禁用防病毒安裝文件嘅啟動.

我係點樣被感染法?

在整個學期中，当STOP/Djvu家族處於活動狀態時, 它使用可疑軟件作為勒索軟件注入嘅主要方法. Under the term of questionable programs I mean software that are already not supported by the maintainer and distributed through the file sharing websites. 呢啲應用程序可能被黑客入侵, 使它們無需購買任何許可證即可使用. 呢種程序類型嘅另一個例子係不同嘅黑客工具 – 作弊引擎, 註冊機, 視窗激活工具等.

Such programs may be distributed in different ways – 透過提供下載連結嘅網站, 或通過對等網絡 – 海盜灣, 騾等. 所有呢啲來源都被稱為最受歡迎嘅電腦盜版資源. 人們使用呢啲網站免費獲得各種應用程序或遊戲, 即使必須購買呢啲程序. 沒有人可以阻止黑客攻擊呢啲應用程序嘅用戶把某種類型嘅病毒添加到被黑客攻擊嘅應用程序嘅文件中. 黑客工具, 同時, 係為非法行為而創建嘅, so their creators may easily embed the ransomware under the guise of some program element.

呢啲被黑客入侵嘅程序, 無論其來源如何, 係各種病毒最常見嘅來源之一, and definitely the most popular one for Kool malware. 最好停止使用它, 不僅因為病毒傳播風險. 避免購買許可證係非灋行為, 黑客和使用被黑客入侵程序嘅人都屬於盜版罪.

How do I remove Kool ransomware?

The Kool ransomware is pretty hard to wipe out manually. 真, 因為它對您的PC進行了大量更改, 幾乎不可能找到它們並修復它們. The best option is to use anti-malware programs. 但係揀邊個?

你可能會看到使用Microsoft衛士的建議, 已經在您的系統中. 儘琯如此, 如前所述, most of STOP/Djvu virus examples disable it even before the encryption process. 使用第三方應用程序係唯一可能嘅選擇 – 我可以建議你GridinSoft反惡意軟件作為呢種情況嘅解決方案. 它具有完美嘅檢測能力, so the Kool ransomware will not be missed. 它仲能夠進行系統恢復, which is heavily needed after the Kool virus attack.

To remove Kool malware infections, 使用合法嘅防病毒軟件掃描您的電腦.