Analysis by: Wilbert Vidal
 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.

  TECHNICAL DETAILS

File Size: 1,274,200 bytes
Initial Samples Received Date: 02 Aug 2017

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 drops the following component file(s):

  • %System Root%\Setup\csetup.tmp

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

It drops the following copies of itself into the affected system:

  • %System Root%\Setup\CacheMgr.exe

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Autostart Technique

This Ransomware modifies the following registry entries to ensure it automatic execution at every system startup:

HKCU\Software\Microsoft\
Windows\CurrentVersion\Run
StubPath = %System Root%\Setup\CacheMgr.exe

Other Details

This Ransomware connects to the following possibly malicious URL:

  • http://{BLOCKED}secure.net/ABIUSP/setup.exe