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Trojan.SWF.CVE201815982.AE

August 05, 2019
 Analysis by: Jay Bradley Nebre
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size:

17,891 bytes

File Type:

SWF

Memory Resident:

No

Initial Samples Received Date:

02 Aug 2019

Payload:

Connects to URLs/IPs, Exploits vulnerabilities, Deletes files

Arrival Details

This Trojan 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 drops and executes the following files:

  • QsVpodFMvKQ.vbs

Other System Modifications

This Trojan deletes the following files:

  • QsVpodFMvKQ.vbs

Download Routine

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

  • http://{BLOCKED}.{BLOCKED}.31.247:4567/Server.exe - saved as lkum.exe

Other Details

This Trojan takes advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.272.05

FIRST VSAPI PATTERN DATE:

02 Aug 2019

VSAPI OPR PATTERN File:

15.273.00

VSAPI OPR PATTERN Date:

03 Aug 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • lkum.exe

Step 4

Scan your computer with your Trend Micro product to delete files detected as Trojan.SWF.CVE201815982.AE. 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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