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Trojan.Linux.XORDDOS.AJ

February 17, 2022
 PLATFORM:

Linux

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

548,616 bytes

File Type:

ELF

Memory Resident:

No

Arrival Details

This Trojan 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 Trojan drops the following copies of itself into the affected system:

  • /lib/libudev.so

It drops the following files:

  • /usr/bin/{Random Characters}
  • /bin/{Random Characters}
  • /tmp/{Random Characters}
  • /etc/cron.hourly/gcc.sh

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

17.390.04

FIRST VSAPI PATTERN DATE:

17 Feb 2022

VSAPI OPR PATTERN File:

17.391.00

VSAPI OPR PATTERN Date:

18 Feb 2022

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.XXELFC1DFF014

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.Linux.XORDDOS.AJ. 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:


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