TSPY_BANKER.SMIO

October 08, 2012
 Analysis by: jasperm
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. It presents a window claiming that the software is necessary for additional security. When the user clicks any of the buttons, another window is displayed asking for the user's banking information, as well as other information about the user. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.

  TECHNICAL DETAILS

File Size:

1,766,400 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

23 Sep 2010

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Information Theft

This Trojan attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.

It presents a window claiming that the software is necessary for additional security. When the user clicks any of the buttons, another window is displayed asking for the user's banking information, as well as other information about the user.

It attempts to steal information from the following banks and/or other financial institutions:

  • Bradesco

Stolen Information

This Trojan sends the data it gathers to the following email addresses via SMTP:

  • {BLOCKED}lavam@gmail.com
  • {BLOCKED}_cardoso@hotmail.com

Drop Points

Stolen information is uploaded to the following websites:

  • http://www.{BLOCKED}vx.com.br/uploads/envia.php

  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

Identify and terminate files detected as TSPY_BANKER.SMIO

[ Learn More ]
  1. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  2. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.SMIO. 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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