Ransom.Win32.LOCKBIT.EOD

它以其他恶意软件释放的文件或用户访问恶意网站时不知不觉下载的文件的形式到达系统。

新病毒详细信息

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

安装

它向下列进程中注入代码：

• explorer.exe
• notepad.exe

自启动技术

它植入下列文件：

• %ProgramData%\Ck8GvVQ9E.ico
  

其他系统修改

它添加下列注册表项作为安装例程的一部分：

HKEY_LOCALMACHINE\SOFTWARE\Classes\
Ck8GvVQ9E\DefaultIcon
(Default) = %ProgramData%Ck8GvVQ9E.ico

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.Ck8GvVQ9E
(Default) = Ck8GvVQ9E

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer
GlobalAssocChangedCounter = 0x00000027(39)

它添加下列注册表键值作为其安装例程的一部分:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.Ck8GvVQ9E

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Ck8GvVQ9E

HKEY_LOCALMACHINE\SOFTWARE\Classes\
Ck8GvVQ9E\DefaultIcon

进程终止

它终止在受感染的系统内存中运行的下列进程：

• agntsvc
• calc
• dbeng50
• dbsnmp
• encsvc
• excel
• firefox
• infopath
• isqlplussvc
• msaccess
• mspub
• mydesktopqos
• mydesktopservice
• notepad
• ocautoupds
• ocomm
• ocssd
• onedrive
• onenote
• oracle
• outlook
• powerpnt
• sqbcoreservice
• sql
• steam
• synctime
• tbirdconfig
• thebat
• thunderbird
• visio
• winword
• wordpad
• wuauclt
• xfssvccon

其他详细信息

它要求下列额外的组件正常运行：

• LBB.bin → Encrypted Lockbit Ransomware

该程序执行以下操作：

• If not executed with admin rights, it will attempt relaunch itself as admin by elevating its privileges via bypassing UAC.
• It encrypts fixed, removable and network drives
• It deletes files in recycle bin folder for removable and fixed drives
• It uses WQL to delete shadow copies
• It terminates if the machine has the following system language:
  • Arabic (Syria)
  • Armenian
  • Azerbaijani (Cyrillic)
  • Azerbaijani (Latin)
  • Belarusian
  • Georgian
  • Kazakh
  • Kyrgyz (Cyrillic)
  • Romanian (Moldova)
  • Russian
  • Russian (Moldova)
  • Tajik
  • Tatar
  • Turkmen
  • Ukrainian
  • Uzbek (Cyrillic)
  • Uzbek (Latin)
• It deletes services with the following strings:
  • backup
  • GxBlr
  • GxCIMgr
  • GxCVD
  • GxFWD
  • GxVss
  • memtas
  • mepocs
  • msexchange
  • sophos
  • sql
  • svc$
  • veeam
  • vss
• It deletes the following services:
  • WdBoot
  • WdFilter
  • WdNisDrv
  • WdNisSvc
  • WinDefend
  • wscsvc
  • sppsvc
  • Sense
  • SecurityHealthService
• Change the icon of encrypted file with %ProgramData%\Ck8GvVQ9E.ico