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TROJ_BANKER.DUD

October 08, 2012
 ALIASES:

Kaspersky: Trojan-Banker.Win32.Qhost.wo

 PLATFORM:

Windows 2000, XP, Server 2003

 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.

  TECHNICAL DETAILS

File Size:

20,480 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

07 Apr 2011

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.

Other Details

This Trojan does the following:

  • Modifies the system's HOSTS files to prevent users from accessing the following Web sites:
    • bancomer.com
    • bancomer.com.mx
    • bbva.com.mx
    • bbvanet.com.mx
    • www.bancomer.com
    • www.bancomer.com.mx
    • www.bbva.com.mx
    • www.bbvanet.com.mx
  • Adds the following lines in the system's HOSTS file so that when users access the said websites, they are redirected to {BLOCKED}.221.17:
    • {BLOCKED}.221.17 bancomer.com
    • {BLOCKED}.221.17 bancomer.com.mx
    • {BLOCKED}.221.17 bbva.com.mx
    • {BLOCKED}.221.17 bbvanet.com.mx
    • {BLOCKED}.221.17 www.bancomer.com
    • {BLOCKED}.221.17 www.bancomer.com.mx
    • {BLOCKED}.221.17 www.bbva.com.mx
    • {BLOCKED}.221.17 www.bbvanet.com.mx

  SOLUTION

Minimum Scan Engine:

8.900

Scan your computer with your Trend Micro product to delete files detected as TROJ_BANKER.DUD. 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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