Ransom.Linux.HIVE.A
Ransom:Linux/FilcodrHive.G!MTB (MICROSOFT)
Linux
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted:
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 executes then deletes itself afterward.
TECHNICAL DETAILS
2,359,296 bytes
ELF
No
30 Oct 2021
Displays message/message boxes, Encrypts files
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:
- {encrypted directory}/{random characters}.key.21k5p
It executes then deletes itself afterward.
Process Termination
This Ransomware terminates the following processes if found running in the affected system's memory:
- non-root processes
Other Details
This Ransomware does the following:
- It continues with routine if executed with admin rights
It accepts the following parameters:
- -no-wipe: Skip wipe free disk space stage
- {input path}: Encrypts {input path} only
Ransomware Routine
This Ransomware appends the following extension to the file name of the encrypted files:
- .{random characters}.21k5p
It leaves text files that serve as ransom notes containing the following text:
- {encrypted directory}/4oEi_HOW_TO_DECRYPT.txt
SOLUTION
9.800
17.166.04
01 Nov 2021
17.167.00
02 Nov 2021
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.ELF.TRX.XXELFC1DFF012
Step 2
Search and delete this file
- {encrypted directory}/{random characters}.key.21k5p
Step 3
Scan your computer with your Trend Micro product to delete files detected as Ransom.Linux.HIVE.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 4
Restore encrypted files from backup.
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