Analysis by: Johnlery Triunfante
ALIASES:

Win32/Filecoder.Crysis trojan (NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

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

  TECHNICAL DETAILS

File Size: 13,921 bytes
File Type: HTML, HTM
Initial Samples Received Date: 24 Jan 2018

Arrival Details

This Trojan may be dropped by other malware.

Other Details

This is the Trend Micro detection for:

  • HTML ransom notes dropped by certain variants of RANSOM_CRYSIS malware family

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.924.02
FIRST VSAPI PATTERN DATE: 24 Jan 2018
VSAPI OPR PATTERN File: 13.925.00
VSAPI OPR PATTERN Date: 25 Jan 2018

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

Scan your computer with your Trend Micro product to delete files detected as HTML_RANSOMNOTE.SPSO. 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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