TROJ_WALLNOTE.V

December 08, 2015

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 Analysis by: Janus Agcaoili

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 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.

  TECHNICAL DETAILS

File Size:

4,208 bytes

File Type:

TXT

Initial Samples Received Date:

07 Dec 2015

Arrival Details

This Trojan may be dropped by other malware.

NOTES:

This is a ransom note text file dropped by TROJ_CRYPWALL and RANSOM_CRYPWALL families.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.196.03

FIRST VSAPI PATTERN DATE:

07 Dec 2015

VSAPI OPR PATTERN File:

12.197.00

VSAPI OPR PATTERN Date:

08 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

Scan your computer with your Trend Micro product to delete files detected as TROJ_WALLNOTE.V. 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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