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RANSOM.HTML.CRYSIS.AA.NOTE

January 23, 2019
 Analysis by: Kiyoshi Obuchi
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This Trojan may be dropped by other malware.

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

  TECHNICAL DETAILS

File Size:

13,932 bytes

File Type:

HTA

Initial Samples Received Date:

22 Jan 2019

Arrival Details

This Trojan may be dropped by the following malware:

  • Ransom.Win32.CRYSIS

Other Details

This is the Trend Micro detection for:

  • Ransom notes dropped by Ransom.Win32.CRYSIS malware family.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.767.00

FIRST VSAPI PATTERN DATE:

22 Jan 2019

VSAPI OPR PATTERN File:

14.768.00

VSAPI OPR PATTERN Date:

23 Jan 2019

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 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.CRYSIS.AA.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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