标签归档:.dbf.asistchinadecryption

.asistchinadecryption扩展名勒索数据库恢复

有朋友公司服务器上的oracle数据库和sql数据库被加密,扩展名类似:.asistchinadecryption .138-E29-529
20220209223616
20220209214733


!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT 内容

!!! ALL YOUR FILES ARE ENCRYPTED !!!

All your files, documents, photos, databases and other important files are encrypted.

You are not able to decrypt it by yourself! The only method of recovering files 
is to purchase an unique private key.
Only we can give you this key and only we can recover your files.

To be sure we have the decryptor and it works you can send an email: 
asistchinadecryption2022@goat.si and decrypt one file for free.
But this file should be of not valuable!

Do you really want to restore your files?
Write to email: asistchinadecryption2022@goat.si 

The alternative way to contact us is to use Jabber: 
1. Visit https://psi-im.org/download/ 
2. Download and install Psi on your PC. 
3. Register new account on https://jabb.im/reg/ 
4. Add new account in Psi. 
5. Add our contact - china_decr2021@xmpp.jp 

Your personal ID: 208-BF2-C97

Attention!
 * Do not rename encrypted files.
 * Do not try to decrypt your data using third party software, it may cause permanent data loss.
 * Decryption of your files with the help of third parties may cause increased price 
(they add their fee to our) or you can become a victim of a scam.

通过底层分析损坏情况
20220209214827


基本上可以判断,该勒索是每64M加密64k数据,理论上绝大部分数据都可以恢复,通过我们自研的oracle和sql恢复工具实现绝大部分数据恢复
20220209224239

对于类似这种被加密的勒索的数据文件,我们可以实现比较好的恢复效果,如果此类的数据库(oracle,mysql,sql server)等被加密,需要专业恢复技术支持,请联系我们:
电话/微信:17813235971    Q Q:107644445QQ咨询惜分飞    E-Mail:dba@xifenfei.com
系统安全防护措施建议:
1.多台机器,不要使用相同的账号和口令
2.登录口令要有足够的长度和复杂性,并定期更换登录口令
3.重要资料的共享文件夹应设置访问权限控制,并进行定期备份
4.定期检测系统和软件中的安全漏洞,及时打上补丁。
5.定期到服务器检查是否存在异常。
6.安装安全防护软件,并确保其正常运行。
7.从正规渠道下载安装软件。
8.对不熟悉的软件,如果已经被杀毒软件拦截查杀,不要添加信任继续运行。
9.保存良好的备份习惯,尽量做到每日备份,异地备份。

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