PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 REPORTED INFECTION:

  • 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.

  TECHNICAL DETAILS

File Size: 828,416 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 15 Jul 2019

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.

Installation

This Ransomware creates the following folders:

  • F:\System Volume Information\Kaspersky Total Security
  • F:\System Volume Information

Other System Modifications

This Ransomware deletes the following files:

  • F:\yehey.py

Dropping Routine

This Ransomware drops the following files:

  • F:\System Volume Information\yehey.py
  • F:\Removable Disk 244GB (Secured by Kaspersky Total Security).bat

Other Details

This Ransomware connects to the following possibly malicious URL:

  • http://ardownload.{BLOCKED}e.com/{random path}
  • http://r1---sn-2aqu-hoalz.{BLOCKED}1.com/{random path}?{random characters}

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.850

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

Search and delete these components

[ Learn More ]
There may be some components 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.
  • F:\System Volume Information\yehey.py
  • F:\Removable Disk 244GB (Secured by Kaspersky Total Security).bat

Step 3

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • F:\System Volume Information\Kaspersky Total Security
  • F:\System Volume Information

Step 4

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.CERBER.FAWH. 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.

Step 6

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • F:\yehey.py


Did this description help? Tell us how we did.