RANSOM_LOCKYENC.DLDTAQO

December 12, 2016

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 Analysis by: Pearl Charlaine Espejo

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 ALIASES:

Trojan-Ransom.Win32.Locky.wlb (Kaspersky); ENC/Locky.BG (F-Prot); Mal/RansomDl-C (Sophos)

 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 arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

221,184 bytes

File Type:

None

Memory Resident:

No

Initial Samples Received Date:

29 Nov 2016

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

NOTES:

This is Trend Micro’s detection for an encrypted form of a Ransom_LOCKY variant.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.928.05

FIRST VSAPI PATTERN DATE:

29 Nov 2016

VSAPI OPR PATTERN File:

12.929.00

VSAPI OPR PATTERN Date:

30 Nov 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 RANSOM_LOCKYENC.DLDTAQO. 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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