- Threat Encyclopedia
- Malware
- Ransom.Win64.LOCKBIT.YJDIHT
VHO:Trojan-Ransom.Win32.Conti.bn (KASPERSKY)
Windows
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 does not have any propagation routine.
It does not have any backdoor routine.
It drops files as ransom note. It avoids encrypting files with the following file extensions.
249,856 bytes
EXE
No
08 Sep 2023
Encrypts files, Displays message/message boxes, Abuses WMI
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:
It adds the following mutexes to ensure that only one of its copies runs at any one time:
Other System Modifications
This Ransomware uses Windows Management Instrumentation (WMI) to delete volume shadow copies:
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Propagation
This Ransomware does not have any propagation routine.
Backdoor Routine
This Ransomware does not have any backdoor routine.
Rootkit Capabilities
This Ransomware does not have rootkit capabilities.
Other Details
This Ransomware does the following:
It accepts the following parameters:
It does not exploit any vulnerability.
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
It avoids encrypting files found in the following folders:
It appends the following extension to the file name of the encrypted files:
It drops the following file(s) as ransom note:
It avoids encrypting files with the following file extensions:
9.800
18.684.03
08 Sep 2023
18.685.00
09 Sep 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:
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
Search and delete these files
Step 5
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.LOCKBIT.YJDIHT. 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.