BAT_COINMINE.DN


 ALIASES:

BAT.Riskware.Lex.E (GData); Troj/ExFilt-A (Sophos); Hacktool (Symantec)

 PLATFORM:

Windows

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

  • 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 requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

586 bytes

File Type:

BAT

Initial Samples Received Date:

27 May 2015

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 drops the following files:

  • %WINDIR%\victoria\updater.exe.tmp
  • %WINDIR%\victoria\result_ip.txt.tmp
  • %WINDIR%\victoria\result_ip.txt
  • %WINDIR%\victoria\scan_ranges.txt

It searches for the following folders where it can drop/create files:

  • %WINDIR%\victoria

Other Details

This Trojan requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.698.02

FIRST VSAPI PATTERN DATE:

29 May 2015

VSAPI OPR PATTERN File:

11.699.00

VSAPI OPR PATTERN Date:

30 May 2015

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

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden folders in the search result.  
  • %WINDIR%\victoria

Step 3

Scan your computer with your Trend Micro product to delete files detected as BAT_COINMINE.DN. 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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