Analysis by: Francesca Villasanta
ALIASES:

HTML/Filecoder.1037!tr.ransom (FORTINET)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

This Ransomware may be dropped by other malware.

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

  TECHNICAL DETAILS

File Size: 6,063 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 07 Dec 2023

Arrival Details

This Ransomware may be dropped by the following malware:

  • CRYLOCK ransomware family

Other Details

This is the Trend Micro detection for:

  • Ransom notes dropped by CRYLOCK ransomware family

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 18.866.01
FIRST VSAPI PATTERN DATE: 07 Dec 2023
VSAPI OPR PATTERN File: 18.867.00
VSAPI OPR PATTERN Date: 08 Dec 2023

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.HTML.CRYLOCK.I.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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