Ransom.Win64.LIVETEAM.A
Win64:RansomX-gen [Ransom] (AVAST)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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 drops files as ransom note. It avoids encrypting files with the following file extensions.
TECHNICAL DETAILS
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.
Installation
This Ransomware drops the following files:
- {Malware File Path}\{Victim ID}.jpg → Deleted afterwards
- {Malware File Path}\wallpaper.ps1 → Deleted afterwards
It adds the following processes:
- %System%\cmd.exe /c powershell -ExecutionPolicy Bypass -File "{Malware File Path}\wallpaper.ps1"
- cmd /c "bcdedit /set {current} recoveryenabled no"
- cmd /c "bcdedit /set {default} recoveryenabled no"
- cmd /c "bcdedit /set {current} bootstatuspolicy ignoreallfailures"
- cmd /c "bcdedit /set {default} bootstatuspolicy ignoreallfailures"
- cmd /c \"vssadmin Delete Shadows /All /Quiet\""
- cmd /c "taskkill /F /IM {Target Process}*
- cmd /c net stop "{Target Service}" /y
- cmd /c "wevtutil cl application"
- cmd /c "wevtutil cl security"
- cmd /c "wevtutil cl system"
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Other System Modifications
This Ransomware sets the system's desktop wallpaper to the following image:
- {Malware File Path}\{Victim ID}.jpg
Process Termination
This Ransomware terminates the following services if found on the affected system:
- via net stop /y:
- MSSQLFDLauncher
- MSSQLSERVER
- SQLSERVERAGENT
- SQLBrowser
- SQLTELEMETRY
- SQLWriter
- MSSQL
- SQLAgent
- MSSQLServerOLAPService
It terminates the following processes if found running in the affected system's memory:
- via taskkill /F /IM:
- postgresql
- sqlbrowser
- sqlwriter
- sqlservr
- sqlceip
- SQLAGENT
- sqlservr
- pg_ctl
- postgres
Other Details
This Ransomware accepts the following parameters:
- -s, --self {Malware file path} - Used to execute the malware if it failes to determine the self-path and load settings.
- -h, --help - Displays help information.
- -c, --directory {Directory} - Encryp all files in the specified directory.
- -dr, --deleteRestorePoints {True/False} - Deletion of system restore points.
- -ss, --stopServices {True/False} - Stops the embedded list of services.
- -sp, --stopProcesses {True/False} - Terminate the embedded list of processes.
- -dn, --dropNote {True/False} - Drops ransom note to a specific directory.
- -cw, --changeWallpaper {False} - Disable modification of desktop wallpaper.
Ransomware Routine
This Ransomware appends the following extension to the file name of the encrypted files:
- .LIVE
It drops the following file(s) as ransom note:
- %Public%\Documents\FILE RECOVERY_ID_{Victim ID}.txt
- %Public%\Desktop\FILE RECOVERY_ID_{Victim ID}.txt
- {Malware File Path}\FILE RECOVERY_ID_{Victim ID}.txt
- {Encrypted Directory}\FILE RECOVERY_ID_{Victim ID}.txt
It avoids encrypting files with the following file extensions:
- exe
- dll
- ink
- ini
- lnk
- ico
- sys
- mui
- live
- desktop
SOLUTION
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
Search and delete this file
- {Malware File Path}\{Victim ID}.jpg
- {Malware File Path}\wallpaper.ps1
- %Public%\Documents\FILE RECOVERY_ID_{Victim ID}.txt
- %Public%\Desktop\FILE RECOVERY_ID_{Victim ID}.txt
- {Malware File Path}\FILE RECOVERY_ID_{Victim ID}.txt
- {Encrypted Directory}\FILE RECOVERY_ID_{Victim ID}.txt
Step 4
Reset your Desktop properties
Step 5
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.LIVETEAM.A. 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 the following Trend Micro Support pages for more information:
Step 6
Restore encrypted files from backup.
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