Analysis by: Byron Jon Gelera
ALIASES:

Riskware/Re_Loader (Fortinet)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It 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 a component of other malware.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size: 331 bytes
File Type: BAT
Memory Resident: No
Initial Samples Received Date: 04 Sep 2017

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It 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 Trojan is a component of other malware.

Other System Modifications

This Trojan deletes the following files:

  • {Malware Path}\Re-LoaderByR@1n.exe

Other Details

This Trojan deletes itself after execution.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.638.03
FIRST VSAPI PATTERN DATE: 04 Sep 2017
VSAPI OPR PATTERN File: 13.639.00
VSAPI OPR PATTERN Date: 05 Sep 2017

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 BAT_AUTOKMS.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.


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