Analysis by: Joshua John Bantayan
ALIASES:

Ransom:Win32/Higuniel.A (MICROSOFT); Trojan-Ransom.JesusCrypt (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

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.

It encrypts files found in specific folders.

  TECHNICAL DETAILS

File Size: 42,496 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 19 Mar 2021
Payload: Steals information, Connects to URLs/IPs, Deletes files

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.

Information Theft

This Ransomware gathers the following data:

  • Machine ID -> derived from volume serial number
  • IP
  • Country
  • OS
  • Machine Name
  • Hard Drive Used Space
  • Easy Key
  • Hard Key

Other Details

This Ransomware does the following:

  • It checks for the following registries before proceeding with its routine, and deletes the registries after its routine:
    • HKEY_CURRENT_USER\Software\JCSoft
  • It sends its gathered info to the following SMTP Client:
    • mail.{BLOCKED}k.li
  • It uses the following network credentials:
    • Username: {BLOCKED}rverInfo@hitler.rocks
    • Password: jesuscrypt

Ransomware Routine

This Ransomware encrypts files found in the following folders:

  • D:\test

It leaves text files that serve as ransom notes containing the following text:



  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 16.640.02
FIRST VSAPI PATTERN DATE: 06 Apr 2021
VSAPI OPR PATTERN File: 16.641.00
VSAPI OPR PATTERN Date: 07 Apr 2021

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Troj.Win32.TRX.XXPE50FFF042

Step 2

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 3

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 4

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.JESUSCRYPT.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 the following Trend Micro Support pages for more information:


Did this description help? Tell us how we did.