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LNK_DORKBOT.SM1

April 22, 2016
 Analysis by: Rika Joi Gregorio
 ALIASES:

Troj/AgLnk-A(Sophos), LNK/Agent.AU trojan(Eset)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware


This Trojan may be dropped by other malware.

It is a component of other malware.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

LNK

Memory Resident:

No

Initial Samples Received Date:

07 Jul 2014

Arrival Details

This Trojan may be dropped by the following malware:

  • WORM_DORKBOT

Installation

This Trojan is a component of other malware.

NOTES:

This is the Trend Micro detection for specially crafted .LNK files that are used to execute dropped copies of the malware, WORM_DORKBOT once a shortcut is accessed.

It executes both the malware WORM_DORKBOT and the original non-malicious folder/file to trick users into thinking that the folder/file executed is legitimate. As a result, the routines of the main file are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.908.05

FIRST VSAPI PATTERN DATE:

07 Jul 2014

VSAPI OPR PATTERN File:

10.909.00

VSAPI OPR PATTERN Date:

08 Jul 2014

NOTES:

Trend customers:

    Keep your pattern and scan engine files updated. Trend Micro antivirus software can clean or remove most types of computer threats. Malware, though, such as Trojans, scripts, overwriting viruses and joke programs which are identified as uncleanable, should simply be deleted.

All Internet users:

  • Use HouseCall - the Trend Micro online threat scanner to check for malware that may already be on your PC.
  • Catch malware/grayware before they affect your PC or network. Secure your Web world with Trend Micro products that offer the best anti-threat and content security solutions for home users, corporate users, and ISPs. Go here for more information on Trend Micro products that fit your needs.


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