Analysis by: Janus Agcaoili
 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: 1,871 bytes
Memory Resident: No
Initial Samples Received Date: 15 Mar 2016

Arrival Details

This Trojan may be dropped by other malware.

Other Details

This is the Trend Micro detection for:

  • TEXT ransom notes dropped by certain variants of Ransom_CRYPTESLA malware family

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.404.03
FIRST VSAPI PATTERN DATE: 15 Mar 2016
VSAPI OPR PATTERN File: 12.405.00
VSAPI OPR PATTERN Date: 16 Mar 2016

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 TROJ_RANSOMNOTE.URN. 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 this Knowledge Base page for more information.


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