TROJ_INJECT.BNK

October 09, 2012
 Modified by: Nice Yutuc
 ALIASES:

TrojanDownloader:Win32/Karagany.I (Microsoft); Trojan.Win32.Inject.cpwi (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Gen:Variant.TDss.33 (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows 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.

It may be injected into processes running in memory.

  TECHNICAL DETAILS

File Size:

13,824 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

23 Jan 2012

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 may be injected into processes running in memory.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}works.osa.pl/showthread.php?t=862172

NOTES:
It is capable of downloading and executing a possibly malicious file from a certain url . As a result, malicious routines of downloaded file are also exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.730.03

FIRST VSAPI PATTERN DATE:

24 Jan 2012

VSAPI OPR PATTERN File:

8.731.00

VSAPI OPR PATTERN Date:

25 Jan 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

Identify and terminate files detected as TROJ_INJECT.BNK

[ 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

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_INJECT.BNK. 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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