arrow_back
search
close

Trojan.W97M.POWLOAD.AMC

February 12, 2019
 Analysis by: Arvin Roi Macaraeg
 ALIASES:

Trojan:O97M/Obfuse.CO(MICROSOFT), W97M.Downloader(NORTON)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware, Spammed via email


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

262,459 bytes

File Type:

XML

Memory Resident:

Yes

Initial Samples Received Date:

21 Jan 2019

Payload:

Others

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

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

  • http://{BLOCKED}erd.com/qMGOXKLu
  • http://{BLOCKED}ner.com/mGMKKpsuOc
  • http://{BLOCKED}formatica.com/Gop5g1kiQ
  • http://{BLOCKED}u.com/hUBdUVy5d
  • http://{BLOCKED}nsfer.com/aAlvPhe7e

It saves the files it downloads using the following names:

Other Details

This Trojan does the following:

  • The document contains the following message details luring users to enable macro content:

  SOLUTION

Minimum Scan Engine:

9.850

VSAPI OPR PATTERN File:

14.808.05

VSAPI OPR PATTERN Date:

12 Feb 2019

OPP PATTERN File:

14.809.00

OPP PATTERN Date:

13 Feb 2019

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

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.  
  • %User Temp%\964.exe
  • %AppdataLocal%\devslide\devslide.exe

Step 4

Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.POWLOAD.AMC. 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:

Step 5

Enable the macro virus protection in Microsoft Office Applications

[ Learn More ]


Did this description help? Tell us how we did.