arrow_back
search
close

BAT_BAKDEL.A

September 20, 2018
 ALIASES:

Trojan.BAT.Agent.aup (Kaspersky) , Trojan.BAT.Agent.JC (BitDefender) ,Troj/Bat-DK (Sophos_Lite)

 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

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 deletes itself after execution.

  TECHNICAL DETAILS

File Size:

1,520 bytes

File Type:

BAT

Memory Resident:

No

Initial Samples Received Date:

03 Oct 2017

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:

  • Creates a process to execute the following command to delete the shadow copy of the infected system:
    • vssadmin Delete Shadows /all /quiet
  • Deletes files with extensions and strings [Drive C to H]:
    • .VHD
    • .bac
    • .bak
    • .wbcat
    • .bkf
    • Backup*
    • backup*
    • .set
    • .win
    • .dsk

It deletes itself after execution.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.418.08

FIRST VSAPI PATTERN DATE:

02 Aug 2018

VSAPI OPR PATTERN File:

14.419.00

VSAPI OPR PATTERN Date:

03 Aug 2018

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 BAT_BAKDEL.A. 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 the following Trend Micro Support pages for more information:

NOTES:

Enabling Volume Shadow Service:

  1. Run the command prompt (cmd.exe) as administrator.
  2. Enable Volume Shadow Service by typing the following command: net start vss


Did this description help? Tell us how we did.