Analysis by: Rhena Inocencio
 PLATFORM:

Windows, Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  TECHNICAL DETAILS

File Size: Varies
File Type: Other
Initial Samples Received Date: 30 Mar 2016
Payload: Displays graphics/image, Connects to URLs/IPs, Encrypts files

Arrival Details

This malware arrives via the following means:

  • This PHP script may be deployed and executed in a web server

Other Details

This Trojan does the following:

  • It encrypts all files in the web server using Rijndael for its file encryption routine

NOTES:

This ransomware can upload a file to the server by accessing the affected site with the variable upl:

It is also capable of echoing the value inserted in the $_REQUEST variable cmd:

It displays the following ransom message:

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.436.08
FIRST VSAPI PATTERN DATE: 30 Mar 2016
VSAPI OPR PATTERN File: 12.437.00
VSAPI OPR PATTERN Date: 31 Mar 2016

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

Scan your computer with your Trend Micro product to delete files detected as RANSOM_KIMCILWARE.A. 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 this Knowledge Base page for more information.


Did this description help? Tell us how we did.