Analysis by: Noel Anthony Llimos
ALIASES:

Ransom.Cryptolocker (NORTON), Mal/StupCryp-A (SOPHOS_LITE), Trojan.GenericKD.12408998 (BitDefender)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

This Ransomware 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: 162304 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 05 Feb 2018
Payload: Displays message/message boxes

Arrival Details

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

Other Details

This Ransomware displays a pop-up window with the following message:



It does the following:

  • It lists files in the following folders that does not have the extension .crypted
    • C:\Users\Ben\Desktop\My data

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.680.05
FIRST VSAPI PATTERN DATE: 05 Feb 2018
VSAPI OPR PATTERN File: 13.681.00
VSAPI OPR PATTERN Date: 05 Feb 2018

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

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