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TrojanSpy.Win32.VIDAR.CBR

November 09, 2019
 Modified by: Jay Garcia
 ALIASES:

Trojan.Win32.Chapak.ecdj (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan Spy 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:

777,728 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

09 Nov 2019

Arrival Details

This Trojan Spy 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 Spy drops the following files:

  • %All Users Profile%\mozglue.dll
  • %All Users Profile%\{Random characters}\files\Soft\Authy\le\Web Data
  • %All Users Profile%\{Random characters}\ld
  • %All Users Profile%\{Random characters}\history-wal
  • %All Users Profile%\{Random characters}\files\History\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\IE_Cookies.txt
  • %All Users Profile%\vcruntime140.dll
  • %All Users Profile%\{Random characters}\c-wal
  • %All Users Profile%\{Random characters}\files\passwords.txt
  • %All Users Profile%\{Random characters}\files\Autofill\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\CC\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\history
  • %All Users Profile%\softokn3.dll
  • %All Users Profile%\{Random characters}\c
  • %All Users Profile%\{Random characters}\files\information.txt
  • %All Users Profile%\{Random characters}\files\Files\Default.zip
  • %All Users Profile%\nss3.dll
  • %All Users Profile%\msvcp140.dll
  • %All Users Profile%\{Random characters}\files\cookie_list.txt
  • %All Users Profile%\{Random characters}\files\outlook.txt
  • %All Users Profile%\{Random characters}\history-shm
  • %All Users Profile%\{Random characters}\files\Downloads\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\wd
  • %All Users Profile%\{Random characters}\c-shm
  • %All Users Profile%\{Random characters}\files\Cookies\cookies_Mozilla Firefox_qleve0m6.default.txt
  • %All Users Profile%\{Random characters}\files\History\history_Mozilla Firefox_qleve0m6.default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\Edge_Cookies.txt
  • %All Users Profile%\{Random characters}\historych
  • %All Users Profile%\freebl3.dll

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

It creates the following folders:

  • %All Users Profile%\{Random characters}\files\Cookies
  • %All Users Profile%\{Random characters}\files
  • %All Users Profile%\{Random characters}\files\Soft
  • %All Users Profile%\{Random characters}\files\Autofill
  • %All Users Profile%\{Random characters}
  • %All Users Profile%\{Random characters}\files\History
  • %All Users Profile%\{Random characters}\files\Files
  • %All Users Profile%\{Random characters}\files\Soft\Authy
  • %All Users Profile%\{Random characters}\files\Downloads
  • %All Users Profile%\{Random characters}\files\CC

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

Other Details

This Trojan Spy connects to the following possibly malicious URL:

  • http://{BLOCKED}p.com/524
  • http://{BLOCKED}p.com/freebl3.dll
  • http://{BLOCKED}p.com/mozglue.dll
  • http://{BLOCKED}p.com/msvcp140.dll
  • http://{BLOCKED}p.com/nss3.dll
  • http://{BLOCKED}p.com/softokn3.dll
  • http://{BLOCKED}p.com/vcruntime140.dll
  • http://{BLOCKED}i.com/line

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.484.04

FIRST VSAPI PATTERN DATE:

09 Nov 2019

VSAPI OPR PATTERN File:

15.485.00

VSAPI OPR PATTERN Date:

10 Nov 2019

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Troj.Win32.TRX.XXPE50FFF032

Step 2

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 3

Identify and terminate files detected as TrojanSpy.Win32.VIDAR.CBR

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %All Users Profile%\mozglue.dll
  • %All Users Profile%\{Random characters}\files\Soft\Authy\le\Web Data
  • %All Users Profile%\{Random characters}\ld
  • %All Users Profile%\{Random characters}\history-wal
  • %All Users Profile%\{Random characters}\files\History\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\IE_Cookies.txt
  • %All Users Profile%\vcruntime140.dll
  • %All Users Profile%\{Random characters}\c-wal
  • %All Users Profile%\{Random characters}\files\passwords.txt
  • %All Users Profile%\{Random characters}\files\Autofill\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\CC\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\history
  • %All Users Profile%\softokn3.dll
  • %All Users Profile%\{Random characters}\c
  • %All Users Profile%\{Random characters}\files\information.txt
  • %All Users Profile%\{Random characters}\files\Files\Default.zip
  • %All Users Profile%\nss3.dll
  • %All Users Profile%\msvcp140.dll
  • %All Users Profile%\{Random characters}\files\cookie_list.txt
  • %All Users Profile%\{Random characters}\files\outlook.txt
  • %All Users Profile%\{Random characters}\history-shm
  • %All Users Profile%\{Random characters}\files\Downloads\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\Google Chrome_Default.txt
  • %All Users Profile%\{Random characters}\wd
  • %All Users Profile%\{Random characters}\c-shm
  • %All Users Profile%\{Random characters}\files\Cookies\cookies_Mozilla Firefox_qleve0m6.default.txt
  • %All Users Profile%\{Random characters}\files\History\history_Mozilla Firefox_qleve0m6.default.txt
  • %All Users Profile%\{Random characters}\files\Cookies\Edge_Cookies.txt
  • %All Users Profile%\{Random characters}\historych
  • %All Users Profile%\freebl3.dll

Step 5

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.VIDAR.CBR. 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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