Ransom.Win32.NOESCAPE.THFOEBC
Ransom:Win32/NoEscape.MKV!MTB (MICROSOFT)
Windows
恶意软件类型:
Ransomware
有破坏性?:
没有
加密?:
是的
In the Wild:
是的
概要
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。
技术详细信息
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
它在受感染的系统中植入下列自身副本:
- %Application Data%\{Malware File Name}.exe
(注意: %Application Data% 是当前用户的 Application Data 文件夹,通常位于 C:\Windows\Profiles\{user name}\Application Data (Windows 98 和 ME)、C:\WINNT\Profiles\{user name}\Application Data (Windows NT)、C:\Documents and Settings\{user name}\Local Settings\Application Data (Windows 2000(32-bit)、XP 和 Server 2003(32-bit)) 和 C:\Users\{user name}\AppData\Roaming (Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit) 和 10(64-bit))。)
它添加下列进程:
- wmic SHADOWCOPY DELETE /nointeractive
- wbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest
- wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0
- wbadmin DELETE BACKUP -deleteOldest
- wbadmin DELETE BACKUP -keepVersions:0
- vssadmin Delete Shadows /All /Quiet
- bcdedit /set {default} recoveryenabled No
- bcdedit /set {default} bootstatuspolicy ignoreallfailures
- cmd /c wmic SHADOWCOPY DELETE /nointeractive
- cmd /c wbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest
- cmd /c wbadmin DELETE SYSTEMSTATEBACKUP -keepVersions:0
- cmd /c wbadmin DELETE BACKUP -deleteOldest
- cmd /c wbadmin DELETE BACKUP -keepVersions:0
- cmd /c vssadmin Delete Shadows /All /Quiet
- cmd /c bcdedit /set {default} recoveryenabled No
- cmd /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
- cmd /c bcdedit /set safeboot network
它添加下列互斥条目,确保一次只会运行一个副本:
- Global\{GUID}
自启动技术
它添加下列注册表项,在系统每次启动时自行执行:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
Shell = explorer.exe,%Application Data%\[Malware File Name}.exe
其他系统修改
它添加下列注册表项:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLUA = 0
(Note: The default value data of the said registry entry is 1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
ConsentPromptBehaviorAdmin = 0
(Note: The default value data of the said registry entry is 5.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLinkedConnections = 1
它将系统的桌面壁纸设置为下列图像:
- %Application Data%\wallpaper.jpg
进程终止
它终止在受感染的系统上运行的下列服务:
- Culserver
- DefWatch
- GxBlr
- GxCIMgr
- GxCVD
- GxFWD
- GxVss
- QBCFMonitorService
- QBIDPService
- RTVscan
- SavRoam
- VMAuthdService
- VMUSBArbService
- VMnetDHCP
- VMwareHostd
- backup
- ccEvtMgr
- ccSetMgr
- dbeng8
- dbsrv12
- memtas
- mepocs
- msexchange
- msmdsrv
- sophos
- sql
- sqladhlp
- sqlagent
- sqlbrowser
- sqlservr
- sqlwriter
- svc$
- tomcat6
- veeam
- vmware-converter
- vmware-usbarbitator64
- vss
它终止在受感染的系统内存中运行的下列进程:
- 360doctor
- 360se
- Culture
- Defwatch
- GDscan
- MsDtSrvr
- QBCFMonitorService
- QBDBMgr
- QBIDPService
- QBW32
- RAgui
- RTVscan
- agntsvc
- agntsvcencsvc
- agntsvcisqlplussvc
- anvir
- anvir64
- apache
- axlbridge
- backup
- ccleaner
- ccleaner64
- dbeng50
- dbsnmp
- encsvc
- excel
- far
- fdhost
- fdlauncher
- httpd
- infopath
- isqlplussvc
- java
- kingdee
- msaccess
- msftesql
- mspub
- mydesktopqos
- mydesktopservice
- mysqld-nt
- mysqld-opt
- mysqld
- ncsvc
- ocautoupds
- ocomm
- ocssd
- onedrive
- onenote
- oracle
- outlook
- powerpnt
- procexp
- qbupdate
- sqbcoreservice
- sql
- sqlagent
- sqlbrowser
- sqlmangr
- sqlserver
- sqlservr
- sqlwriter
- steam
- supervise
- synctime
- taskkill
- tasklist
- tbirdconfig
- thebat
- thunderbird
- tomcat
- tomcat6
- u8
- ufida
- visio
- wdswfsafe
- winword
- wordpad
- wuauclt
- wxServer
- wxServerView
- xfssvccon
信息窃取
它收集下列数据:
- Computer Name
- Host Name
- Machine GUID
- User Language
- OEM Information
- Disk Drive Information
其他详细信息
该程序执行以下操作:
- It empties Recycle Bin of all drives.
- It dismounts disk images found in the system by running these processes:
- powershell Dismount-DiskImage -ImagePath {Full Path of Disk Image}
- cmd /c powershell Dismount-DiskImage -ImagePath {Full Path of Disk Image}
- It is capable of rebooting the system into safe mode with networking.
解决方案
Step 2
对于Windows ME和XP用户,在扫描前,请确认已禁用系统还原功能,才可全面扫描计算机。
Step 3
请注意,在执行此恶意软件/间谍软件/灰色软件期间,并非所有文件、文件夹、注册表项和条目都安装在您的计算机上。这可能是由于安装不完整或其他操作系统条件造成的。如果找不到相同的文件/文件夹/注册表信息,请继续下一步。
Step 4
重启进入安全模式
Step 5
恢复该修改的注册表值
注意事项:错误编辑Windows注册表会导致不可挽回的系统故障。只有在您掌握后或在系统管理员的帮助下才能完成这步。或者,请先阅读Microsoft文章,然后再修改计算机注册表。
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
- EnableLUA = 0
- EnableLUA = 0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
- ConsentPromptBehaviorAdmin = 0
- ConsentPromptBehaviorAdmin = 0
Step 6
删除该注册表值
注意事项:错误编辑Windows注册表会导致不可挽回的系统故障。只有在您掌握后或在系统管理员的帮助下才能完成这步。或者,请先阅读Microsoft文章,然后再修改计算机注册表。
- In HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
- Shell = explorer.exe,%Application Data%\[Malware File Name}.exe
- Shell = explorer.exe,%Application Data%\[Malware File Name}.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
- EnableLinkedConnections = 1
- EnableLinkedConnections = 1
DATA_GENERIC_ENTRY
Step 7
搜索和删除这些文件
- %Application Data%\{Malware File Name}.exe
- %Application Data%\wallpaper.jpg
- %Desktop%\HOW_TO_RECOVER_FILES.txt
- {File Path of Encrypted Files}\HOW_TO_RECOVER_FILES.txt
- %Application Data%\{Malware File Name}.exe
- %Application Data%\wallpaper.jpg
- %Desktop%\HOW_TO_RECOVER_FILES.txt
- {File Path of Encrypted Files}\HOW_TO_RECOVER_FILES.txt
Step 8
重启进入正常模式,使用亚信安全产品扫描计算机,检测Ransom.Win32.NOESCAPE.THFOEBC文件 如果检测到的文件已被亚信安全产品清除、删除或隔离,则无需采取进一步措施。可以选择直接删除隔离的文件。请参阅知识库页面了解详细信息。
Step 9
重置桌面壁纸
Step 10
从备份中还原被加密的文件。
Step 11
使用亚信安全产品扫描计算机,并删除检测到的Ransom.Win32.NOESCAPE.THFOEBC文件 如果检测到的文件已被亚信安全产品清除、删除或隔离,则无需采取进一步措施。可以选择直接删除隔离的文件。请参阅知识库页面了解详细信息。