Itranslator
Table of Contents
Overview
Adware/PUP:Win32/Itranslator is a Potentially Unwanted Program (PUP) categorized as an Adware or Browser Modifier. It is ostensibly marketed as a helpful browser extension or desktop utility for translating web pages. However, its true purpose is aggressive monetization: it hijacks browser settings, injects unremovable advertisements, redirects search traffic, and tracks browsing habits without informed consent.
Understanding Itranslator
To an end-user, Itranslator severely degrades the web browsing experience, flooding pages with pop-ups and slowing down the browser. For a security operations center (SOC), it is a 'nuisance' threat that indicates poor endpoint hygiene and risky user behavior. While not typically destructive, the infrastructure used to deliver adware is frequently repurposed to deliver more severe malware (malvertising).
Execution and Hijacking Mechanics
Itranslator is almost exclusively distributed via 'bundling'—it is hidden within the installers of other free software downloaded from unverified third-party portals (`T1189`). During installation, if the user clicks 'Express Install', the PUP is silently installed. Once active, it forcefully modifies browser settings (Chrome, Edge, Firefox), installing unauthorized extensions (`T1176`) and changing the default search engine (`T1562.001`). It establishes persistence via Scheduled Tasks or Registry Run keys to ensure the malicious extensions are re-installed if the user attempts to remove them.
Indicators of Compromise & Impact
The impact is a degraded user experience, potential exposure to malvertising, and privacy violations (tracking). Host-based IoCs include the presence of unwanted extensions in the browser's add-on manager, unexpected modifications to the `Start Page` registry keys, and anomalous Scheduled Tasks running browser executables with hidden command-line arguments. Network IoCs involve constant HTTP/HTTPS traffic to known adware tracking networks and affiliate marketing domains.
MITRE ATT&CK Techniques
Observed techniques used by this family, mapped to our technical analysis hubs and the official MITRE ATT&CK framework:
| Technique | Name | Tactic | Official Spec |
|---|---|---|---|
T1176 | Browser Extensions (Force-installing adware extensions) | Persistence | ATT&CK ↗ |
T1562.001 | Impair Defenses: Disable or Modify Tools (Hijacking default search and homepage) | Defense Evasion | ATT&CK ↗ |
T1189 | Drive-by Compromise (Distribution via deceptive software bundles) | Initial Access | ATT&CK ↗ |
MITRE D3FEND™ Defensive Countermeasures
Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):
| D3FEND ID | Countermeasure Name | Tactic | Countered ATT&CK | Defensive Guidance |
|---|---|---|---|---|
D3-BEA | Browser Extension Allowlisting | Harden | T1176 | Deploy enterprise browser policies via GPO or Intune to block unauthorized side-loaded extensions and add-ons. |
D3-RBI | Remote Browser Isolation | Isolate | T1189 | Execute untrusted web browsing sessions in disposable cloud containers to isolate drive-by exploits from local endpoints. |
D3-STA | Security Tool Anti-Tamper Enforcement | Harden | T1562.001 | Block unauthorized modification of antivirus registry flags and prevent stopping security agent services. |
Tiered Detection Rules (Cisco CAIRN Model)
Modern threat detection requires multi-layered rule engineering. We classify detections into three operational tiers based on signal fidelity:
Tier 1 Primitive Artifact Rule (Fast Triage)
Matches raw strings and file markers. Vulnerable to binary repacking and simple obfuscation.
rule MALWARE_WIN_ITRANSLATOR_T1_ARTIFACT {
meta:
description = "Tier 1 Primitive Artifact: Raw string matches for Itranslator"
tier = "T1 - Primitive Artifact"
confidence = "Low-Medium (Fast Triage)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
$s1 = "itranslator" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}Tier 2 Behavioral Context Rule (Process Chains & Sigma)
Tracks parent-child process anomalies and suspicious scripting telemetry. Resilient against file renames.
title: SystemHelpDesk Detection - Itranslator (Advanced Threat) Execution & Triage
id: 5b33e07c-f411-5421-a7a8-1ff4d4775025
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
with the Itranslator malware family. Detects proxy execution, reflective DLL loading,
and remote command injection associated with modular enterprise backdoors.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/itranslator
- https://malware-families-catalog.systemhelpdesk.com/defensive/backdoor-rat-protection
- https://malware-families-catalog.systemhelpdesk.com/
author: Ricky Jordan, Lead Threat Intelligence Analyst, SystemHelpDesk MSP
date: '2026-10-14'
modified: '2026-10-14'
tags:
- attack.advanced-threat
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1562_001
- attack.t1189
- attack.t1176
logsource:
category: process_creation
product: windows
detection:
selection_process:
Image|endswith:
- \powershell.exe
- \cmd.exe
- \rundll32.exe
- \regsvr32.exe
CommandLine|contains:
- DownloadString
- IEX(
- '/s /n /u /i:'
- sc create
- start-process
condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: highTier 3 Attribution Fingerprint Rule (High Fidelity)
Deep signature matching distinctive operational fingerprints and payload characteristics.
rule MALWARE_WIN_ITRANSLATOR_T3_ATTRIBUTION {
meta:
description = "Tier 3 Attribution Fingerprint: Heuristic detection for Itranslator tradecraft"
tier = "T3 - Attribution Fingerprint"
confidence = "High (Confirmed Family Signature)"
author = "SystemHelpdesk Threat Research Desk"
date = "2026-10-14"
strings:
// Core family identifier & heuristic payload signatures
$attrib_str = "itranslator" ascii wide nocase
$pe_magic = "MZ" ascii
$net_marker = "http" ascii nocase
condition:
uint16(0) == 0x5a4d and ($attrib_str and $net_marker) and filesize < 15MB
}Containment & Response Steps
Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.
- Use the Windows 'Programs and Features' control panel to uninstall the Itranslator application and any related unknown software.
- Perform a full reset of all installed web browsers to clear out the hijacked homepages, search engines, and malicious extensions.
- Audit the Windows Task Scheduler and remove any persistent tasks created by the adware to reinstall itself.
- Run a scan with a reputable enterprise-grade PUP/Adware removal tool to ensure all registry hooks are cleaned.
What to Avoid
Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.
- Do not allow users to download software from third-party freeware portals; enforce application whitelisting.
- Avoid simply changing the homepage back manually; you must remove the underlying extension and persistence mechanisms.
References & External Analysis
- Search "itranslator" on VirusTotal (External Analysis)
- Search "itranslator" on Any.Run (Sandbox Sandbox)
- Search "itranslator" on MalwareBazaar (Malware Samples)
Frequently Asked Questions
What is Itranslator and what threat category does it belong to?
Itranslator is classified as a Advanced Threat. Documented across security telemetry, it is engineered to execute unauthorized operations, establish persistent footholds on target endpoints, and facilitate malicious campaigns targeting enterprise and individual environments.
How does Itranslator establish persistence and evade defensive controls?
Itranslator typically establishes persistence through registry run keys, scheduled tasks, or service installations, while evading signature-based antivirus solutions through code obfuscation, memory injection, or anti-analysis sandbox checks.
What are the essential incident response steps for mitigating a Itranslator compromise?
Security teams responding to Itranslator should immediately isolate affected endpoints from the network, perform memory triage to capture volatile forensic artifacts, audit registry and startup persistence mechanisms, revoke exposed user credentials, and restore systems from verified, clean backups.
What lateral movement and credential access tactics does Itranslator leverage in enterprise intrusions?
Itranslator frequently utilizes privileged account harvesting techniques such as LSASS memory dumping, Kerberoasting, and token impersonation to escalate privileges. Once administrative credentials are acquired, it pivots across the victim network utilizing living-off-the-land binaries (LOLBins) such as WMI, PowerShell remoting, and PsExec, or abuses remote desktop protocols (RDP) to reach critical internal repositories and domain controllers.
How does Itranslator maintain covert communications and evade perimeter network monitoring?
Itranslator often relies on multi-stage command and control (C2) architectures utilizing encrypted protocols over standard web ports (HTTPS/443 or DNS tunneling) to blend in with legitimate enterprise network traffic. Many variants incorporate proxy networks, domain fronting, or cloud services (such as Microsoft Graph API, Google Drive, or Telegram) to masquerade C2 channels, bypassing traditional signature-based egress filtering.
How do I remove the Itranslator Advanced_Threat from Windows?
Manual removal of Itranslator is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.
Is Itranslator a virus or a Advanced_Threat?
Itranslator is classified as a Advanced_Threat. Unlike traditional viruses that infect files, modern malware like Itranslator typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Itranslator infection?
Symptoms of Itranslator can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.
Protect Your Network Against Advanced_Threats
Want to prevent Itranslator and similar threats from compromising your organization? Read our comprehensive defensive guide: Think You've Been Hacked? What To Do First.
📣 Threat Intel Correction or Update?
Notice an outdated IOC, unlisted alias, or disputed attribution? Threat researchers are invited to propose an update on GitHub or contact the SystemHelpDesk research desk. All community revisions are credited in our public CHANGELOG.
Machine-readable
Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/itranslator.json
Ecosystem & Interactive Environments
This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.