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Trojan.BAT.STARTPAGE.AA

May 02, 2019
 Analysis by: John Anthony Banes
 Modified by: Arvin Roi Macaraeg
 ALIASES:

HEUR:Trojan.BAT.StartPage.ov(KASPERSKY)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

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.

  TECHNICAL DETAILS

File Size:

581 bytes

File Type:

BAT

Memory Resident:

No

Initial Samples Received Date:

15 Apr 2019

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 does the following:

  • Connects to the URL using the following browsers:
    • Google Chrome
  • Upon Execution, It uses Google Chrome to access the following URL:
    • http://{BLOCKED}ps.com/all/
  • Added the following process to execute the browser and access the URL:
    • %System%>start "" "%Program Files%\google\chrome\APPLIC~1\chrome.exe" "http://{BLOCKED}ps.com/all/"

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.940.03

FIRST VSAPI PATTERN DATE:

15 Apr 2019

VSAPI OPR PATTERN File:

14.941.00

VSAPI OPR PATTERN Date:

16 Apr 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as Trojan.BAT.STARTPAGE.AA. 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:


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