Analysis by: Pearl Charlaine Espejo
 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, Downloaded from the Internet

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: 2,213,376 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 15 Nov 2016
Payload: Displays message/message boxes, Displays graphics/image

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 ransomware does not encrypt any of your files in your computer, instead the following lockscreen will be displayed:

It also displays the following message box if the user clicks the button and the input is incorrect:

However, the malware does not really delete any of the files in the computer.

It requires the password "62861094725560" to unlock the screen.

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.900.04
FIRST VSAPI PATTERN DATE: 15 Nov 2016
VSAPI OPR PATTERN File: 12.901.00
VSAPI OPR PATTERN Date: 16 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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_FAKELOCK.K. 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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