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Worm.Win32.DOWNAD.PIDE

December 29, 2023
 Analysis by: Raymart Christian Yambot
 ALIASES:

Win32.Worm.Downadup.Gen (BITDEFENDER)

 PLATFORM:

Windows

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Worm 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:

162,487 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

17 Dec 2023

Arrival Details

This Worm 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 Worm injects codes into the following process(es):

  • %System%\svchost.exe

(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other Details

This Worm does the following:

  • Sets its own file attribute to hidden

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.734.05

FIRST VSAPI PATTERN DATE:

03 Oct 2023

VSAPI OPR PATTERN File:

18.735.00

VSAPI OPR PATTERN Date:

04 Oct 2023

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

Restart in Safe Mode

[ Learn More ]

Step 3

Restart in normal mode and scan your computer with your Trend Micro product for files detected as Worm.Win32.DOWNAD.PIDE. 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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