TrojanSpy.Win32.RULTAZO.MJY
Trojan.GenericKD.31783346 (BITDEFENDER)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan Spy arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.
TECHNICAL DETAILS
Arrival Details
This Trojan Spy arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It 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 and executes the following files:
- %Application Data%\triliumapp.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
Autostart Technique
This Trojan Spy adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
trilium = %Application Data%\triliumapp.exe -boot
Backdoor Routine
This Trojan Spy executes the following commands from a remote malicious user:
- Execute Arbitrary Commands
- Enable and Disable a Specific Malicious Function
- Collect Host IP Info
- Download File
- Execute File
- Delete File
- Take Screenshot
It connects to the following websites to send and receive information:
- http://www.{BLOCKED}jamie.ml/z{BLOCKED}nel/index.php
Information Theft
This Trojan Spy gathers the following data:
- Installed Programs
- Screenshots
- Machine GUID
- System Architecture
- Screen Resolution
- System Language
- Time Zone and Current Computer Time
- User Name
- Computer Name
- OS version
- Running Processes
- Credentials, Cookies and Autofill Data from the following browsers:
- 360Browser
- 7Star
- Amigo
- Brave
- Bromium
- CentBrowser
- Chedot
- Chromium
- CocCoc
- ComodoDragon
- ElementsBrowser
- Epic
- GoBrowser
- GoogleChrome
- Internet Explorer
- InternetMailRu
- Kometa
- Microsoft Edge
- Mustang
- Nichrome
- Opera
- Orbitum
- QIPSurf
- RockMelt
- SaferBrowser
- Sputnik
- Suhba
- Superbird
- TorBro
- Torch
- Uran
- Vivaldi
- YandexBrowser
- FTP and Email Client Credentials:
- WinSCP
- Outlook
- Thunderbird
- FileZilla
- Bitcoin Wallets:
- Ethereum
- Electrum
- Electrum-LTC
- Jaxx
- Exodus
- MultiBitHD
- Skype Chat History/Messages
- Telegram Credentials
- Steam Credentials and Game Data
Other Details
This Trojan Spy connects to the following URL(s) to get the affected system's IP address:
- ip-api.com/json
SOLUTION
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- trilium = %Application Data%\triliumapp.exe -boot
- trilium = %Application Data%\triliumapp.exe -boot
Step 5
Search and delete this file
- %Application Data%\triliumapp.exe
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TrojanSpy.Win32.RULTAZO.MJY. 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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