VBS_DLDR.SMDV

October 08, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This is the Trend Micro detection for .VBS script files that connect to certain websites to download other files.

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.

This is the Trend Micro detection for files that contain a malicious script.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

VBS

Initial Samples Received Date:

14 Mar 2011

Payload:

Downloads 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.

Other Details

This is the Trend Micro detection for files that contain a malicious script.

NOTES:
This is the Trend Micro detection for .VBS script files that connect to any of the following websites to download other files:

  • http://{BLOCKED}.197.164/downloader.exe
  • http://{BLOCKED}ao.cn/dlk.exe
  • http://qigai0309.{BLOCKED}et.com/111.exe
  • http://taobao.{BLOCKED}er.com.cn/taobao.exe
  • http://{BLOCKED}23.com/0602323.exe
  • http://vip.{BLOCKED}pz.net:8100/~penwa/ms.exe
  • http://ww.{BLOCKED}71.com/wgok.exe
  • http://www.{BLOCKED}nA-Beta.pop3.ru/win.exe
  • http://www.{BLOCKED}ue.com/images/2.exe
  • http://www.ma7room.com/upload/uploads/1050ea974a.exe
  • http://www.orkuts.{BLOCKED}nd.ru/win.exe
  • http://www.{BLOCKED}te.com/server.exe
  • http://www.{BLOCKED}23.cn/UploadFiles\13cmd.exe

  SOLUTION

Minimum Scan Engine:

8.900

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

Scan your computer with your Trend Micro product to delete files detected as VBS_DLDR.SMDV. 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.


Did this description help? Tell us how we did.