Ransom.HTML.RYUK.ACDT.note

October 24, 2019

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 ALIASES:

Win64/Filecoder.Ryuk trojan (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 INFORMATION EXPOSURE:

• 
  Threat Type: Others
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  OVERVIEW

This Others may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

627 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

21 Oct 2019

Arrival Details

This Others may be dropped by the following malware:

• Ransom.Win64.RYUK
• Ransom.Win32.RYUK

Other Details

This Others does the following:

• This is the Trend Micro detection for:
  • Ransom notes dropped by Ransom.Win64.RYUK malware family.
  • Ransom notes dropped by Ransom.Win32.RYUK malware family.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.450.04

FIRST VSAPI PATTERN DATE:

24 Oct 2019

VSAPI OPR PATTERN File:

15.451.00

VSAPI OPR PATTERN Date:

25 Oct 2019

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.RYUK.ACDT.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:

• Home and Home Office Support
• Business Support

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