Ransom.Win32.MAKOP.THFBDBO
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet
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 avoids encrypting files with the following file extensions.
TECHNICAL DETAILS
224,768 bytes
EXE
Yes
24 Jun 2020
Encrypts files, Displays message/message boxes, Terminates processes, Connects to URLs/IPs
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:
- vssadmin delete shadows /all /quiet
- vssadmin delete catalog /quiet
- wmic shadowcopy delete
Autostart Technique
This Ransomware adds the following registry entries to enable its automatic execution at every system startup:
HKCU\Software\Microsoft\
Windows\CurrentVersion\Run
1 = {Malware File Path}\{Malware Filename}.exe
Process Termination
This Ransomware terminates the following processes if found running in the affected system's memory:
- msftesql.exe
- sqlagent.exe
- sqlbrowser.exe
- sqlservr.exe
- sqlwriter.exe
- oracle.exe
- ocssd.exe
- dbsnmp.exe
- synctime.exe
- agntsrvc.exe
- mydesktopqos.exe
- isqlplussvc.exe
- xfssvccon.exe
- mydesktopservice.exe
- ocautoupds.exe
- encsvc.exe
- firefoxconfig.exe
- tbirdconfig.exe
- ocomm.exe
- mysqld.exe
- mysqld-nt.exe
- mysqld-opt.exe
- dbeng50.exe
- sqbcoreservice.exe
- excel.exe
- infopath.exe
- msaccess.exe
- mspub.exe
- onenote.exe
- outlook.exe
- powerpnt.exe
- steam.exe
- thebat.exe
- thebat64.exe
- thunderbird.exe
- visio.exe
- winword.exe
- wordpad.exe
Other Details
This Ransomware connects to the following URL(s) to get the affected system's IP address:
- http://iplogger.org/1Bucq7
Ransomware Routine
This Ransomware appends the following extension to the file name of the encrypted files:
- .[8 Random Characters].[akzhq615@protonmail.com].makop
It leaves text files that serve as ransom notes containing the following text:
It avoids encrypting files with the following file extensions:
- makop
- CARLOS
- shootlock
- shootlock2
- 1recoesufV8Sv6g
- 1recocr8M4YJskJ7
- btc
- KJHslgjkjdfg
- origami
- exe
- dll
SOLUTION
9.850
15.950.04
24 Jun 2020
15.951.00
25 Jun 2020
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.XXPE50FFF036
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
Restart in Safe Mode
Step 5
Delete this registry value
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.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- 1 = {Malware File Path}\{Malware Filename}.exe
- 1 = {Malware File Path}\{Malware Filename}.exe
Step 6
Search and delete these files
- readme-warning.txt
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as Ransom.Win32.MAKOP.THFBDBO. 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 8
Restore encrypted files from backup.
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