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HTML_TESLANOTE.SM

January 13, 2016
 Analysis by: Rhena Inocencio
 ALIASES:

Ransom:HTML/Tescrypt (Microsoft)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware


This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

25 Dec 2015

Arrival Details

This Trojan may be dropped by the following malware:

NOTES:

These are HTML files containing the ransom notes.

Below is the content of the HTML file:

  SOLUTION

Minimum Scan Engine:

9.800

VSAPI OPR PATTERN File:

12.233.00

VSAPI OPR PATTERN Date:

25 Dec 2015

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

Remove the malware/grayware file that dropped/downloaded HTML_TESLANOTE.SM. (Note: Please skip this step if the threat(s) listed below have already been removed.)

     
    • Ransom_CRYPTESLA

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_TESLANOTE.SM. 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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