When Chrome Hijacks the New Tab: Why Your Helpdesk Needs to Know Before Your Users Do

Google recently announced a crackdown on a particularly annoying breed of malware: Chrome extensions that hijack the New Tab page or default search engine by mimicking enterprise policies. If you are in IT operations or running an MSP, you know exactly what this looks like. A user calls the helpdesk, frustrated that every time they open a new tab, they are hit with a generic search engine or ads instead of Google.

By the time that ticket hits your queue, the malware has likely been sitting there for days, and the user’s productivity has already taken a hit. This specific type of attack—targeting unmanaged devices by masquerading as administrator-controlled software—highlights a massive gap in how we traditionally support end users.

The Reality of Reactive Support

In many environments, the IT team is the last to know. A browser hijack isn’t a server outage; it doesn’t trigger a critical alert in your traditional network monitoring tool, and it certainly doesn’t show up in your RMM until you run a specific vulnerability scan.

Instead, the workflow looks like this:

1. The user experiences the issue.
2. They get annoyed, wait a few hours, and finally call or email the helpdesk.
3. A technician creates a ticket manually.
4. The technician asks the user for screenshots or remotes into the machine to diagnose.
5. The technician fights to remove an extension that claims it is “installed by your administrator.”

This is the hidden cost of tool sprawl. Your monitoring tool sees the device is “online.” Your helpdesk sees the ticket. Your RMM sees the installed software. But because these systems don’t talk to each other, you rely on a human being to bridge the gap. For IT managers, this means inflated resolution times and unreliable SLA data. For technicians, it means repetitive, low-value troubleshooting that leads to burnout.

Closing the Gap Between Detection and Resolution

The problem isn’t just the malware; it’s the lack of context when the issue occurs. When a user calls about a browser hijack, you shouldn't be starting from zero. You should know the patch status of that endpoint, its recent alert history, and whether it’s even a managed asset.

This is where AlertMonitor changes the workflow. By integrating helpdesk functionality directly with monitoring and RMM capabilities, we eliminate the silence between the issue occurring and the ticket being opened.

Instead of waiting for a user call, AlertMonitor allows you to create automated workflows that turn system events into support tickets immediately. If a scan detects a policy change or a unauthorized extension attempt, a ticket is auto-generated with the device name, user, and relevant technical data attached. The technician isn't asking, “What computer are you on?” They are clicking a link to remote in, seeing the alert history, and resolving the issue.

Practical Steps: Auditing Chrome Policies Across Your Fleet

While Google’s update will block these hijackers on unmanaged PCs, IT teams still need to ensure their managed fleets are clean and compliant. You don't want to wait for a user to complain about a strange homepage setting.

You can proactively audit your Windows endpoints to check for Chrome policies that might be legitimate—or malicious. Below is a PowerShell script you can deploy via AlertMonitor’s RMM component to scan devices for specific Chrome policy registry keys.

Run this script against your fleet. If it returns results on a machine that shouldn't have hardcoded policies, you can automate a ticket creation in AlertMonitor immediately.

<#
.SYNOPSIS
    Audits Chrome Enterprise Policies on Windows Endpoints.
.DESCRIPTION
    Checks the registry for New Tab and Search Engine policies.
    Returns data if policies are found, allowing AlertMonitor to trigger a ticket.
#>

$RegistryPath = "HKLM\Software\Policies\Google\Chrome"
$PolicyFound = $false
$Results = @()

if (Test-Path $RegistryPath) {
    $ChromePolicies = Get-ItemProperty -Path $RegistryPath -ErrorAction SilentlyContinue
    
    # Check for New Tab Page location hijack
    if ($ChromePolicies.NewTabPageLocation) {
        $Results += "WARNING: NewTabPageLocation set to $($ChromePolicies.NewTabPageLocation)"
        $PolicyFound = $true
    }

    # Check for Default Search Provider hijack
    if ($ChromePolicies.DefaultSearchProviderSearchURL) {
        $Results += "WARNING: DefaultSearchProviderSearchURL set to $($ChromePolicies.DefaultSearchProviderSearchURL)"
        $PolicyFound = $true
    }
    
    # Check for enabled extensions
    if ($ChromePolicies.ExtensionInstallForcelist) {
        $Results += "INFO: Force-installed extensions: $($ChromePolicies.ExtensionInstallForcelist)"
    }
}

if ($PolicyFound) {
    Write-Output "Chrome Policy Audit Alert"
    $Results | ForEach-Object { Write-Output $_ }
    # Exit with code for AlertMonitor to trigger an alert/ticket
    exit 1
} else {
    Write-Output "No suspicious Chrome policies detected."
    exit 0
}

By deploying a script like this, you transform a reactive helpdesk nightmare into a proactive operational check. If the script exits with code 1, AlertMonitor can automatically route that to a technician queue labeled “Endpoint Hygiene,” allowing you to fix the browser hijack before the user even realizes their search engine has changed.

Unified monitoring means your helpdesk isn't just a complaint box; it’s a command center for your entire IT environment.

Related Resources

AlertMonitor Helpdesk & End-User Support AlertMonitor Platform Overview Book a Demo Helpdesk & End-User Support Resources