Analysis by: Christopher Daniel So
 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

  TECHNICAL DETAILS

File Size: 1,743 bytes
File Type: Script
Memory Resident: No
Initial Samples Received Date: 06 Jul 2010

Other Details

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

  • The malware decodes a Base-64 encoded text in the host HTML file, then executes the decoded text.

  SOLUTION

Minimum Scan Engine: 8.900

Scan your computer with your Trend Micro product to delete files detected as JS_WEBSTART.B. 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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