Analysis by: Anthony Joe Melgarejo
 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 Trojan arrives by connecting affected removable drives to a system.

It automatically executes files when a user opens a drive.

  TECHNICAL DETAILS

File Size: 213 bytes
File Type: INF, INI
Initial Samples Received Date: 09 Oct 2012

Arrival Details

This Trojan arrives by connecting affected removable drives to a system.

Other Details

This Trojan automatically executes the following files when a user opens a drive:

  • {drive letter}:\Love-Story.exe

NOTES:

This is the Trend Micro detection for AUTORUN.INF files dropped by WORM_UTOTI.CXC.

The said .INF file contains the following strings:

[Autorun]
useautoplay=1
Open=Love-Story.exe
Shellexecute=Love-Story.exe
Shell\open=Open
Shell\open\command=Love-Story.exe
Shell\Explore=Explore
Explore=Love-Story.exe
Shell\Explore\command=Love-Story.exe

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 9.450.03
FIRST VSAPI PATTERN DATE: 09 Oct 2012
VSAPI OPR PATTERN File: 9.451.00
VSAPI OPR PATTERN Date: 09 Oct 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

Scan your computer with your Trend Micro product to delete files detected as TROJ_AUTOINI.CXC. 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.