Arrival Details
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be dropped by the following malware:
Installation
This Ransomware drops the following files:
- %User Temp%\{Random Characters}.bmp → used as wallpaper
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- bcdedit /set {current} safeboot network → if -smode parameter is used (Restart the machine to Safe Mode with networking)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
Other System Modifications
This Ransomware adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Ed7 = {Hex Values}
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
QIeQ = {Hex Values}
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
96Ia6 = {Hex Values}
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
Ucr1RB = {Hex Values}
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
wJWsTYE = {Appended Extension}
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
JmfOBvhb = {Hex Values}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\RunOnce
*AstraZeneca = %Windows%\MsMpEng.exe (or %User Temp%\MsMpEng.exe, depending on what was successfully ran) → if -smode parameter is used
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\RunOnce
*MarineLePen = bcdedit /deletevalue {current} safeboot → if -smode parameter is used (Removes the machine from safe mode)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
AutoAdminLogon = 1 → if -smode parameter is used
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
DefaultUserName = {current user's username} → if -smode parameter is used
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
DefaultPassword = DTrump4ever → if -smode parameter is used
It changes the desktop wallpaper by modifying the following registry entries:
HKEY_CURRENT_USER\Control Panel\Desktop
Wallpaper = %User Temp%\{Random Characters}.bmp
It sets the system's desktop wallpaper to the following image:
Process Termination
This Ransomware terminates the following services if found on the affected system:
- backup
- memtas
- mepocs
- sophos
- sql
- svc$
- veeam
- vss
It terminates the following processes if found running in the affected system's memory:
- agntsvc
- dbeng50
- dbsnmp
- encsvc
- excel
- firefox
- infopath
- isqlplussvc
- msaccess
- mspub
- mydesktopqos
- mydesktopservice
- ocautoupds
- ocomm
- ocssd
- onenote
- oracle
- outlook
- powerpnt
- sqbcoreservice
- sql
- steam
- synctime
- tbirdconfig
- thebat
- thunderbird
- visio
- winword
- wordpad
- xfssvccon
Information Theft
This Ransomware gathers the following data:
- Computer name
- User name
- Workgroup
- Processor
- Operating System
- System Architecture
Other Details
This Ransomware adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
It does the following:
- It will terminate itself if the affected system's keyboard layout is any of the following:
- Arabic - Syria
- Armenian Eastern
- Azeri Cyrillic
- Azeri Latin
- Belarusian
- Georgian
- Kazakh
- Kyrgyz Cyrillic
- Romanian-Moldova
- Russian
- Russian-Moldova
- Syriac
- Tajik
- Tatar
- Turkmen
- Ukranian
- Uzbek Cyrillic
- Uzbek Latin
- It wipes the contents of the following folder:
- It searches for files to encrypt in remote drives, fixed drives, removable drives, and network resources.
- It does the following if -smode parameter is used:
- It changes the current user's password to DTrump4ever
- It enables automatic logon
- It changes the default username to the current user's username
- It changes the default password to DTrump4ever
- It shows the following error message if 2 or more instances of itself is running:
It accepts the following parameters:
- -silent → skips the following:
- Termination of blacklisted processes and services
- Removal of shadow copies
- -path → specifies directory to be encrypted
- -nolocal → avoids encrypting fixed and removable drives
- -nolan → avoids encrypting network and shared drives
- -fast → fast encryption mode
- -smode → executes ransomware routine on safe mode
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
- autorun.inf
- boot.ini
- bootfont.bin
- bootsect.bak
- desktop.ini
- iconcache.db
- ntldr
- ntuser.dat
- ntuser.dat.log
- ntuser.ini
- thumbs.db
It avoids encrypting files found in the following folders:
- $recycle.bin
- $windows.~bt
- $windows.~ws
- appdata
- application data
- boot
- google
- intel
- mozilla
- msocache
- perflogs
- program files
- program files (x86)
- programdata
- system volume information
- tor browser
- windows
- windows.old
It appends the following extension to the file name of the encrypted files:
It drops the following file(s) as ransom note:
- {Encrypted Directory}\{Appended Extension}-readme.txt
It avoids encrypting files with the following file extensions:
- 386
- adv
- ani
- bat
- bin
- cab
- cmd
- com
- cpl
- cur
- deskthemepack
- diagcab
- diagcfg
- diagpkg
- dll
- drv
- exe
- hlp
- hta
- icl
- icns
- ico
- ics
- idx
- key
- ldf
- lnk
- lock
- mod
- mpa
- msc
- msi
- msp
- msstyles
- msu
- nls
- nomedia
- ocx
- prf
- ps1
- rom
- rtp
- scr
- shs
- spl
- sys
- theme
- themepack
- wpx
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
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To restart in Safe Mode:
• For Windows 7 and Windows Server 2008 (R2) users
- Restart your computer.
- Press F8 after the Power-On Self Test (POST) routine is done. If the Advanced Boot Options menu does not appear, try restarting and then pressing F8 several times after the POST screen is displayed.
- On the Advanced Boot Options menu, use the arrow keys to select the Safe Mode option, and then press Enter.
• For Windows 8, Windows 8.1, and Windows Server 2012 users
- Access the Charms bar by moving your mouse pointer to the upper right corner of the screen.
- Move your mouse pointer down and click Settings>Change your PC Settings.
- In the left panel, click General.
- In the right panel, scroll down to the bottom to find the Advanced startup section, then click the Restart now button and wait for the system to restart.
- In the Advanced Startup menu, click Troubleshoot>Advanced Options>Startup Settings>Restart and wait for the system to restart.
- In the Startup Settings menu, press 4 to enable safe mode.
• For Windows 10 users
- Press Windows logo key + I on your keyboard to open Settings. If that doesn't work, select the Start button, then select Settings.
- Select Update & Security > Recovery.
- Under Advanced startup, select Restart now.
- After your PC restarts to the Choose an option screen, select Troubleshoot > Advcanced options > Startup settings > Restart.
- After your PC restarts, you'll see a list og options. Select 4 or press F4 to start your PC in Safe Mode.
Step 4
Delete this registry value
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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- Ed7 = {Hex Values}
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- QIeQ = {Hex Values}
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- 96Ia6 = {Hex Values}
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- Ucr1RB = {Hex Values}
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- wJWsTYE = {Appended Extension}
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- JmfOBvhb = {Hex Values}
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
- Windows\CurrentVersion\RunOnce
- *AstraZeneca = %Windows%\MsMpEng.exe (or %User Temp%\MsMpEng.exe)
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
- *MarineLePen = bcdedit /deletevalue {current} safeboot
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- AutoAdminLogon = 1 → if -smode parameter is used
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- DefaultUserName = {current user's username}
- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- DefaultPassword = DTrump4ever → if -smode parameter is used
To delete the registry value this malware created:
- Open Registry Editor. To do this:
» For Windows 7 and Windows Server 2008 (R2) users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, 10, and Windows Server 2012 (R2) users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter. - In the left panel of the Registry Editor window, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter - In the right panel, locate and delete the entry:
Ed7 = {Hex Values} - Again In the right panel, locate and delete the entry:
QIeQ = {Hex Values} - Again In the right panel, locate and delete the entry:
96Ia6 = {Hex Values} - Again In the right panel, locate and delete the entry:
Ucr1RB = {Hex Values} - Again In the right panel, locate and delete the entry:
wJWsTYE = {Appended Extension} - Again In the right panel, locate and delete the entry:
JmfOBvhb = {Hex Values} - In the left panel of the Registry Editor window, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ - In the right panel, locate and delete the entry:
Windows\CurrentVersion\RunOnce = - In the left panel of the Registry Editor window, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce - In the right panel, locate and delete the entry:
*MarineLePen = bcdedit /deletevalue {current} safeboot - In the left panel of the Registry Editor window, double-click the following:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon - In the right panel, locate and delete the entry:
AutoAdminLogon = 1 → if -smode parameter is used - Again In the right panel, locate and delete the entry:
DefaultUserName = {current user's username} - Again In the right panel, locate and delete the entry:
DefaultPassword = DTrump4ever → if -smode parameter is used - Close Registry Editor.
Step 5
Delete this registry key
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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
To delete registry keys this malware/grayware created:
- Open Registry Editor. To do this:
» For Windows 7 and Server 2008 (R2) users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower left corner of the screen, click Run, type regedit in the text box provided, and then press Enter. - HKEY_LOCAL_MACHINE\SOFTWARE\BlackLivesMatter
- Close Registry Editor.
Step 6
Search and delete this file
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There may be some files that are hidden. Please make sure you check the
Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
- %User Temp%\{Random Characters}.bmp
- {Encrypted Directory}\{Appended Extension}-read.txt
To manually delete a malware/grayware file from an affected system:
•For Windows 7, Windows Server 2008 (R2), Windows 8, Windows 8.1, Windows 10, and Windows Server 2012 (R2):
- Open a Windows Explorer window.
- For Windows 7 and Server 2008 (R2) users, click Start>Computer.
- For Windows 8, 8.1, 10, and Server 2012 (R2) users, right-click on the lower-left corner of the screen,then click File Explorer.
- In the Search Computer/This PC input box, type:
- %User Temp%\{Random Characters}.bmp
- {Encrypted Directory}\{Appended Extension}-read.txt
- Once located, select the file then press SHIFT+DELETE to delete it.
*Note: Read the following Microsoft page if these steps do not work on Windows 7 and Windows Server 2008 (R2).
Step 7
Reset your Desktop properties
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To restore your wallpaper:
- Click Start>Settings>Control Panel.
- Double-click the Display option and click the Background tab.
- Click the Browse button to select your preferred wallpaper or select an image from the Windows built-in wallpapers.
- Choose OK to apply the changes.
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as Ransom.Win32.SODINOKIBI.YABGC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 9
Restore encrypted files from backup.
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