Analysis by: Kathleen Notario
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size: 3,786 bytes
File Type: Script
Memory Resident: No
Initial Samples Received Date: 04 Aug 2010
Payload: Downloads files

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Other Details

Based on analysis of the codes, it has the following capabilities:

  • It contains shellcode that when executed may download a malicious file from http://www.{BLOCKED}cn/images/s.exe (detected as TROJ_INJECTOR.HE)

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI OPR PATTERN File: 7.366.05
VSAPI OPR PATTERN Date: 06 Aug 2010

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 malware files dropped/downloaded by JS_SHELLCOD.HG

     TROJ_INJECTOR.HE

Step 3

Close all opened browser windows

Step 4

Scan your computer with your Trend Micro product to delete files detected as JS_SHELLCOD.HG. 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.