Ransom.Win64.BABXING.YEDHNT
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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
190,464 bytes
EXE
No
13 Aug 2023
Disables AV, Terminates processes, Encrypts files, Displays windows
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 adds the following processes:
- cmd.exe /c "vssadmin delete shadows /all /quiet"
- bcdedit.exe /set {default} recoveryenabled no
- bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
- bcdedit.exe /set {current} recoveryenabled no
- bcdedit.exe /set {current} bootstatuspolicy ignoreallfailures
- cmd.exe /c pause
Process Termination
This Ransomware terminates the following services if found on the affected system:
- vss
- sql
- svc$
- memtas
- mepocs
- sophos
- veeam
- backup
- GxVss
- GxBlr
- GxFWD
- GxCVD
- GxCIMgr
- DefWatch
- ccEvtMgr
- ccSetMgr
- SavRoam
- RTVscan
- QBFCService
- QBIDPService
- Intuit.QuickBooks.FCS
- QBCFMonitorService
- YooBackup
- YooIT
- zhudongfangyu
- stc_raw_agent
- VSNAPVSS
- VeeamTransportSvc
- VeeamDeploymentService
- VeeamNFSSvc
- PDVFSService
- BackupExecVSSProvider
- BackupExecAgentAccelerator
- BackupExecAgentBrowser
- BackupExecDiveciMediaService
- BackupExecJobEngine
- BackupExecManagementService
- BackupExecRPCService
- AcrSch2Svc
- AcronisAgent
- CASAD2DWebSvc
- CAARCUpdateSvc
It terminates the following processes if found running in the affected system's memory:
- sql.exe
- oracle.exe
- ocssd.exe
- dbsnmp.exe
- synctime.exe
- agntsvc.exe
- isqlplussvc.exe
- xfssvccon.exe
- mydesktopservice.exe
- ocautoupds.exe
- encsvc.exe
- firefox.exe
- tbirdconfig.exe
- mydesktopqos.exe
- ocomm.exe
- dbeng50.exe
- sqbcoreservice.exe
- excel.exe
- infopath.exe
- msaccess.exe
- mspub.exe
- onenote.exe
- outlook.exe
- powerpnt.exe
- steam.exe
- thebat.exe
- thunderbird.exe
- visio.exe
- winword.exe
- wordpad.exe
- notepad.exe
Other Details
This Ransomware does the following:
- It empties the Recycle Bin.
- It avoids encrypting files in the CD-ROM.
- It terminates running processes if the process filepath does not contain "\Windows\" and file size is 2MB or above.
It accepts the following parameters:
- [paths] → Comma separated path list to encrypt (Required)
- --log [filename]
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
- ===【 To Restore Files 】===.txt
- autorun.inf
- boot.ini
- bootfont.bin
- bootsect.bak
- bootmgr
- bootmgr.efi
- bootmgfw.efi
- desktop.ini
- iconcache.db
- ntldr
- ntuser.dat
- ntuser.dat.log
- ntuser.ini
- thumbs.db
It avoids encrypting files found in the following folders:
- AppData
- Boot
- Windows
- Windows.old
- Tor Browser
- Internet Explorer
- Opera
- Opera Software
- Mozilla
- Mozilla Firefox
- $Recycle.Bin
- System Volume Information
- ProgramData
- All Users
- Program Files
- Program Files (x86)
- #recycle
It appends the following extension to the file name of the encrypted files:
- {Original File Name}.{Original File Extension}.x1nGx1nG
It drops the following file(s) as ransom note:
- {Encrypted Directory}\===【 To Restore Files 】===.txt
It avoids encrypting files with the following file extensions:
- .exe (if file size < 2MB)
- .x1nGx1nG
SOLUTION
9.800
18.634.04
14 Aug 2023
18.635.00
15 Aug 2023
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
-
Troj.Win32.TRX.XXPE50FFF071
Step 2
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 3
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 4
Identify and terminate files detected as Ransom.Win64.BABXING.YEDHNT
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 5
Search and delete these files
- {Encrypted Directory}\===【 To Restore Files 】===.txt
Step 6
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.BABXING.YEDHNT. 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 7
Restore encrypted files from backup.
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