Exxroute
Overview
Executive Summary
Exxroute is a malicious Trojan specifically engineered to tamper with endpoint network routing and DNS configurations. It is designed to covertly hijack web traffic, redirecting users from legitimate websites to attacker-controlled phishing domains or serving malicious advertisements. By operating at the network routing layer within the OS, Exxroute can bypass standard browser-level ad blockers and security extensions.Infection Vector and Technical Capabilities
Exxroute typically infiltrates systems silently, bundled as a secondary payload alongside "freeware" software, fake browser updates, or delivered via exploit kits that capitalize on unpatched browser vulnerabilities. Once active, it manipulates local network settings:- DNS Hijacking/HOSTS File Modification: The primary capability of Exxroute is altering the system's DNS settings. It may forcefully modify the Windows `HOSTS` file (`C:\Windows\System32\drivers\etc\hosts`) to map high-traffic domains (like banking sites or search engines) to malicious IP addresses. Alternatively, it may change the network adapter's DNS server IPs to point to a rogue DNS server controlled by the attacker.
- Traffic Interception: By controlling DNS resolution, the attackers can perform Man-in-the-Middle (MitM) attacks, capturing entered credentials or injecting malicious iframes into otherwise legitimate, unencrypted HTTP traffic.
- Persistence: To prevent the user from simply reverting the DNS changes, Exxroute installs a persistent background service or scheduled task that constantly monitors and re-applies the malicious DNS settings if they are altered.
Threat Assessment
An Exxroute infection represents a severe compromise of network integrity and data confidentiality. It exposes the user to immediate credential theft via highly convincing phishing pages (since the URL in the browser may appear correct) and bypasses perimeter web filtering.Incident Response and Remediation
- DNS configuration Audit: Immediately inspect the network adapter settings (`ipconfig /all`) on the infected machine. Revert any rogue DNS servers back to the corporate standard or DHCP-assigned IPs.
- HOSTS File Restoration: Inspect the Windows `HOSTS` file for unauthorized entries mapping legitimate domains to external IPs. Restore the file to its default state.
- Antivirus and Service Sweep: Standard AV must be used to identify and remove the executable or service that is actively enforcing the malicious DNS changes. Simply changing the DNS back without removing the malware will result in immediate re-infection.
Known aliases
Threat reports may refer to this family under multiple names:
MITRE ATT&CK Techniques
This family has been observed using the following ATT&CK techniques: T1562.002 T1564.001 T1112
Generated Detections (Boilerplate)
These YARA and Sigma rules are auto-generated based on the family name and aliases. They must be heavily tuned before deployment in a production environment.
YARA Rule
rule MALWARE_WIN_EXXROUTE {
meta:
description = "Detects Exxroute (trojan)"
author = "SystemHelpdesk Boilerplate Generator"
date = "2026-07-06"
strings:
$s1 = "exxroute" ascii wide nocase
$s2 = "trojan.exxroute" ascii wide nocase
$s3 = "dnschanger.exxroute" ascii wide nocase
$s4 = "win32/exxroute" ascii wide nocase
condition:
uint16(0) == 0x5a4d and any of them
}Sigma Rule
title: Suspicious Exxroute Activity
id: 72d83afac3112879ebab9fadd7387f6a
status: experimental
description: Detects generic indicators of the exxroute malware family.
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith:
- '\cmd.exe'
- '\powershell.exe'
CommandLine|contains:
- "*exxroute*"
- "*trojan.exxroute*"
- "*dnschanger.exxroute*"
- "*win32/exxroute*"
condition: selection
level: mediumReferences & External Analysis
- Search "exxroute" on VirusTotal (External Analysis)
Frequently Asked Questions
How do I remove the Exxroute Trojan from Windows?
Manual removal of Exxroute 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 Exxroute a virus or a Trojan?
Exxroute is classified as a Trojan. Unlike traditional viruses that infect files, modern malware like Exxroute typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.
What are the main symptoms of a Exxroute infection?
Symptoms of Exxroute 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.
Related Families (Category: trojan)
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Protect Your Network Against Trojans
Want to prevent Exxroute and similar threats from compromising your organization? Read our comprehensive defensive guide: Banking Trojan Protection.
Machine-readable
Get this profile as JSON: https://jordan123234-malware-families-explorer.static.hf.space/api/exxroute.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.