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TROJ_CLICKER.BG

November 11, 2014
 Analysis by: Rika Joi Gregorio
 ALIASES:

Trojan-Clicker.MSIL.Agent.yu(Kaspersky), TrojanClicker:MSIL/Ezbro.B(Microsoft), Trojan.Win32.Clicker!BT(Sunbelt), Trojan-Clicker.MSIL.Agent(Ikarus), MSIL/TrojanClicker.Agent.NIB trojan(Eset)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet


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 connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

104,448 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

08 Nov 2014

Payload:

Connects to URLs/IPs

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 connects to the following website to send and receive information:

  • {BLOCKED}.{BLOCKED}.232.69:40507/et456gvsr

However, as of this writing, the said sites are inaccessible.

NOTES:

This Trojan connects to the URL http://fjinder.{BLOCKED}ed.net/?pubid=332 to possibly collect pay-per-click advertising payments.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.264.01

FIRST VSAPI PATTERN DATE:

08 Nov 2014

VSAPI OPR PATTERN File:

11.265.00

VSAPI OPR PATTERN Date:

09 Nov 2014

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

Scan your computer with your Trend Micro product to delete files detected as TROJ_CLICKER.BG. 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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