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RANSOM_LADON.THCBAAH

April 25, 2018
 ALIASES:

Ransom:Win32/Khaminga.A (MICROSOFT); Trojan-Ransom.Win32.Gen.hou (KASPERKSY); Troj/Ladon-A (SOPHOS-LITE)

 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

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.

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

18432 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

17 Mar 2018

Payload:

Connects to URLs/IPs, Steals information, Encrypts 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.

Download Routine

This Ransomware connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}25y4lfht6v.{BLOCKED}n.casa/image.php?hwid={(hardware GUID of affected system)}&ip={(affected system's IP address)}&amount=350&camp=7

As of this writing, the said sites are inaccessible.

Information Theft

This Ransomware gathers the following data:

  • Hardware GUID
  • IP Address

Other Details

This Ransomware connects to the following URL(s) to get the affected system's IP address:

  • http://api.ipify.org

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.142.08

FIRST VSAPI PATTERN DATE:

21 Mar 2018

VSAPI OPR PATTERN File:

14.143.00

VSAPI OPR PATTERN Date:

22 Mar 2018

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 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

Identify and terminate files detected as RANSOM_LADON.THCBAAH

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as RANSOM_LADON.THCBAAH. 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:


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