Ransom.HTML.MEDUSALOCKER.E.note

June 16, 2020
 Analysis by: Joshua John Bantayan
 ALIASES:

Win32/Filecoder.MedusaLocker 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

Infection Channel:

Dropped by other malware

This Others may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

4,761 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

11 Jun 2020

Payload:

Displays message/message boxes

Arrival Details

This Others may be dropped by the following malware:

  • MEDUSALOCKER Ransomware family

Other Details

This Others does the following:

  • This is the Trend Micro detection for ransom notes dropped by the MEDUSALOCKER Ransomware family.
  • It displays the following:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.924.06

FIRST VSAPI PATTERN DATE:

11 Jun 2020

VSAPI OPR PATTERN File:

15.925.00

VSAPI OPR PATTERN Date:

12 Jun 2020

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

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 3

Scan your computer with your Trend Micro product to delete files detected as Ransom.HTML.MEDUSALOCKER.E.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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