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Trojan.INF.AUTORUN.MW

October 15, 2020
 Analysis by: Clive Fuentebella
 ALIASES:

Virus.Win32.Fujacks (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet


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 may be dropped by other malware.

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size:

81 bytes

File Type:

INF

Memory Resident:

No

Initial Samples Received Date:

01 Oct 2020

Payload:

Executes 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.

It may be dropped by the following malware:

  • Virus.Win32.FUJACKS samples

Propagation

The said .INF file contains the following strings:

[AutoRun]
OPEN=setup.exe
shellexecute=setup.exe
shell\Auto\command=setup.exe

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • setup.exe

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

16.256.02

FIRST VSAPI PATTERN DATE:

29 Sep 2020

VSAPI OPR PATTERN File:

16.257.00

VSAPI OPR PATTERN Date:

30 Sep 2020

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

Search and delete AUTORUN.INF files created by Trojan.INF.AUTORUN.MW that contain these strings

[ Learn More ]
  • [AutoRun]
    OPEN=setup.exe
    shellexecute=setup.exe
    shell\Auto\command=setup.exe

Step 3

Scan your computer with your Trend Micro product to delete files detected as Trojan.INF.AUTORUN.MW. 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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