Analysis by: Kathleen Notario
ALIASES:

Script.SWF.Cxx (Bitdefender)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size: 29,206 bytes
File Type: SWF
Memory Resident: No
Initial Samples Received Date: 29 Mar 2012
Payload: Downloads files

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_MDROP.YZ

Download Routine

This Trojan connects to the following URL(s) to download its component file(s):

  • http://{BLOCKED}.{BLOCKED}.249.196/siryou.mp4

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.872.01
FIRST VSAPI PATTERN DATE: 29 Mar 2012
VSAPI OPR PATTERN File: 8.873.00
VSAPI OPR PATTERN Date: 30 Mar 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove the malware/grayware file that dropped/downloaded SWF_DLOADR.YZ

     
    • TROJ_MDROP.YZ

Step 3

Scan your computer with your Trend Micro product to delete files detected as SWF_DLOADR.YZ. 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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