Analysis by: Clive Fuentebella
ALIASES:

Win32/Filecoder.Sodinokibi trojan (NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Others

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size: 4,274 bytes
Memory Resident: No

Arrival Details

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

It may be dropped by the following malware:

  • Ransom.Win32.SODINOKIBI samples

Other Details

This is the Trend Micro detection for:

  • Ransom note dropped by SODINOKIBI ransomware samples

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 16.868.05
FIRST VSAPI PATTERN DATE: 27 Jul 2021
VSAPI OPR PATTERN File: 16.869.00
VSAPI OPR PATTERN Date: 28 Jul 2021

Step 1

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 2

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.SODINOKIBI.SMB.note. 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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