➔
search
✕

Ransom.Win64.MAGNIBER.N

August 11, 2022
 Analysis by: Jeffrey Francis Bonaobra
 ALIASES:

Trojan-Ransom.Win32.Crypmod.gen (KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


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 drops files as ransom note.

  TECHNICAL DETAILS

File Size:

177,144 bytes

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

29 Jul 2022

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 connects to the following possibly malicious URL:

  • http://{random}zhyfoxur.{BLOCKED}u.fun/zhyfoxur&{random}&{random}&{random}&{random}&{random}

Ransomware Routine

This Ransomware appends the following extension to the file name of the encrypted files:

  • .zhyfoxur

It drops the following file(s) as ransom note:

  • {Encrypted Directory}\README.html

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

17.726.03

FIRST VSAPI PATTERN DATE:

03 Aug 2022

VSAPI OPR PATTERN File:

17.727.00

VSAPI OPR PATTERN Date:

04 Aug 2022

Step 1

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 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

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • {Encrypted Directory}\README.html

Step 4

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.MAGNIBER.N. 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:

Step 5

Restore encrypted files from backup.


Did this description help? Tell us how we did.