Analysis by: Jennifer Gumban
ALIASES:

TrojanDownloader:Win32/Beebone.HE (Microsoft), Trojan.Win32.SelfDel.ajiy (KASPERSKY), W32/SelfDel.DE!tr (FORTINET)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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.

It executes then deletes itself afterward.

It modifies the Internet Explorer Zone Settings.

  TECHNICAL DETAILS

File Size: 40,960 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 15 Mar 2013

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.

Installation

This Trojan executes then deletes itself afterward.

Web Browser Home Page and Search Page Modification

This Trojan modifies the Internet Explorer Zone Settings.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}i.{BLOCKED}3.com

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 09.790.08
FIRST VSAPI PATTERN DATE: 16 Mar 2013
VSAPI OPR PATTERN File: 09.791.00
VSAPI OPR PATTERN Date: 16 Mar 2013

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Reset Internet security settings

[ Learn More ]

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_BEEBONE.UWA. 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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