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出现 RANSOM_NOTE.html、文件后缀随机怎么办?加密文件备份与解密评估指南

发布时间:2026-11-09

如果服务器上的文档突然打不开,文件名多出陌生后缀,目录里还有 RANSOM_NOTE.html,请先隔离受影响设备,保留原文件和勒索信。即使眼下没有可用密钥,完整保留密文也能为之后测试恢复方案留下机会。

随机后缀文件被加密后的处置步骤:隔离主机、离线备份密文、在副本上验证恢复

一、怎样识别这类勒索信

本次送检的是一份 HTML 勒索信。可检索的特征包括文件名 RANSOM_NOTE.html、字段 Your personal ID 和 Key ID,以及标题 YOUR COMPANY NETWORK HAS BEEN PENETRATED。现场反馈文件后缀随机,本次材料不足以确定后缀生成规律、病毒家族或加密算法。

信中声称已复制数据,提出试解少量文件,并以 72 小时后涨价施压。是否存在数据外传,需要结合出口流量、云端审计和文件访问日志调查。信中承诺不能作为可恢复的证据。

二、文件被加密后,现场先做什么

断开受影响终端与共享目录的连接,从干净设备暂停可能覆盖旧版本的同步任务。记录首次发现时间、最后一次正常使用时间、受影响的主机和共享目录。保留告警、登录日志与备份任务记录,并通知负责服务器和备份的人员。

三、怎样备份已经加密的文件

准备与生产网络隔离的存储,保留原目录结构、文件名和后缀,把密文、勒索信及相关日志一并复制。数据库应同时保存数据文件、日志文件和已有备份集。涉及虚拟机时,应由管理员确认磁盘和快照链是否完整。

核对文件数量、大小,并计算重要文件原件和副本的 SHA-256 摘要,确认复制一致。保留一份离线副本,再制作一份工作副本用于测试。将事故前的干净备份另行保护,避免被新备份覆盖。

四、如何评估解密和恢复方案

先盘点事故前的离线备份、历史版本、灾备副本,在隔离环境中试恢复。没有可用备份时,可用少量非敏感密文副本和对应的已知正常文件评估加密范围与工具适配性。恢复后的文档要检查内容和附件,数据库要做一致性检查,并由业务人员核对关键记录。

五、联系广州捷越进行评估

通过广州捷越网络科技有限公司官网的联系方式,说明受影响系统、业务优先级、加密时间和最近可用备份。可先申请免费样本测试,由技术人员根据副本测试结果说明可行方案、风险和验收办法。请先约定安全交付方式,勿在公开留言中粘贴受害者 ID、客户资料或生产账号。单个样本的测试结果仅适用于该样本。

六、RANSOM_NOTE.html 勒索信原文(脱敏)

以下为攻击者留言的可见文字,供受影响人员比对。身份编号和联系方式已替换。文中的数据泄露、解密能力及付款承诺均为对方声明。

Your personal ID:

Key ID: [已隐藏]

YOUR COMPANY NETWORK HAS BEEN PENETRATED


ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES.

We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back.


Contact us for price and get decryption software.

Email:

[联系方式已隐藏]

[联系方式已隐藏]

(To contact us, please create a Proton or Hotmail account. Don't use Gmail, as your messages will end up in spam.)


Tor chat address: [地址已隐藏]


ATTENTION!

THIS INFORMATION IS INTENDED FOR THOSE WHO WANT TO SEEK HELP FROM UNKNOWN OR UNVERIFIED SERVICES. NO ONE ELSE CAN HELP YOU. ONLY WE, WHOSE CONTACT INFORMATION IS PROVIDED ABOVE, CAN SEND YOU A DECRYPTOR AND DECRYPTOR YOUR FILES.


THERE ARE NO PROGRAMS OR PEOPLE ON THE INTERNET READY TO HELP YOU. THERE ARE NO CHEAP, WORKING DECRYPTORS. IF YOU ASK FOR HELP OTHER THAN THE CONTACT INFORMATION PROVIDED IN THIS MESSAGE, YOU WILL PERMANENTLY LOSE YOUR MONEY AND FILES. BE CAREFUL AND DO NOT ATTEMPT TO RECOVER YOUR SYSTEM ANYWHERE ELSE.


IF YOU INITIALLY CONTACTED US USING THE INFORMATION PROVIDED IN THIS EMAIL, RECEIVED A PRICE YOU WERE NOT SATISFIED WITH, AND FOUND A CHEAPER OPTION ELSEWHERE, THINK CAREFULLY BEFORE PAYING - YOU ARE DEFINITELY BEING SCAMMED!!!


IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.

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