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RANSOM_PETYA.WRS

July 05, 2017
 Analysis by: Johnlery Triunfante
 ALIASES:

Trojan-Ransom.Win32.Petr.xw (KASPERSKY); Ransom:Win32/Petya.B!rsm (MICROSOFT); Ransom.Petya (NORTON)

 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 is capable of encrypting files in the affected system.

  TECHNICAL DETAILS

File Size:

362,360 bytes

File Type:

EXE

Initial Samples Received Date:

04 Jul 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 files:

  • %Windows%\{malware name}
  • %Windows%\dllhost.dat

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

Other Details

This Ransomware connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.248.2/
  • http://{BLOCKED}.{BLOCKED}.248.254/
  • http://{BLOCKED}.{BLOCKED}.248.1/
  • http://{BLOCKED}.{BLOCKED}.19.116/
  • http://{BLOCKED}.{BLOCKED}.58.221/
  • http://{BLOCKED}.{BLOCKED}.135.43/
  • http://{BLOCKED}.{BLOCKED}.4.50/

It is capable of encrypting files in the affected system.