Removal guide Trojans

Hirudo Android Malware Removal: Fake Updates and Banking App Replacement

By Lapain Epuran10 min read

A shopping or video app opens normally, then says an update is needed. The request appears inside something you already installed, which makes it feel familiar.

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What deserves attention is what that update asks to install and control. If a banking app later needs replacing too, stop before accepting another prompt.

Illustrative Android accessibility permission request showing screen viewing and device control access
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Overview

Hirudo targets Android devices and financial access

Hirudo is Android banking malware with remote-control capabilities. It is not a Windows threat, and a Windows antivirus download will not clean an Android installation.

ThreatFabric describes a two-app delivery chain: a shopping or entertainment lure introduces a separate malicious package through a fake update request.

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Successful Hirudo Android malware removal needs to address both stages. Deleting only the visible entertainment app may leave the component with sensitive permissions behind.

The most serious deception can involve the banking app itself

The research documents modified replacements for targeted Indonesian banking apps, alongside credential theft and device-control features. This goes beyond a fake login shown over another application.

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  • A seemingly functional lure gives the first installation an ordinary purpose.
  • An in-app update request introduces a second package with its own permissions.
  • Sensitive access can expose screen content, messages, or user actions.
  • A bank-themed installation request may substitute an altered application for the genuine one.

Stop financial activity on a device you no longer trust

Contact your bank from another device if unauthorized permissions, suspicious app replacement, or a credible detection suggests compromise. Do not test safety by making a small transfer.

Configured financial targets extend beyond Indonesia, but a target list is not proof that every listed bank or every customer has been compromised.

The permission image is a conceptual example using a fictional app label. It does not identify the display name of every Hirudo installation.

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Why a Working App Does Not Settle the Safety Question

An app can show genuine products or play videos while also requesting access that has nothing to do with shopping or entertainment.

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That creates a trust problem. You judge the app by what you can see, while the dangerous decision concerns another package or permission hidden behind its update story.

Enjoying the videos answers one question, whether the app works. It says nothing about whether the developer should gain control over your other applications.

Judge each new permission request separately, even when an app has worked normally for weeks.

A short-drama player might need network access. That does not explain why it should control other applications or require you to replace a bank’s software.

Accessibility tools also have important legitimate uses. The warning is not that accessibility is bad, but that an untrusted app is requesting powerful assistance capabilities.

Google’s restricted-settings guidance explains that accessibility access can allow an application to read screen content and interact on your behalf.

If the reason for that access does not fit the app’s purpose, decline it. Do not enable restricted settings simply because the app supplies instructions.

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How the Hirudo Android Infection Develops

Step 1: A lure app provides shopping or entertainment content

The initial app creates an ordinary reason to stay engaged. The reported lure families include shopping and short-video experiences, with names such as Shopora and ZoyaTV.

Those names describe investigated samples, not a reliable blacklist of every future version. Attackers can change a label without changing the underlying request for access.

Focus on origin and behavior. Was the installer obtained from a trusted source, and does its developer match the service you intended to use?

A professional-looking advertisement or a functioning catalog does not answer those questions. Both can appear before the step that actually exposes the device.

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Step 2: An update installs a separate component

The fake update is not merely a new version of the content you expected. It introduces another package, creating a second item to identify during recovery.

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Installation and permissions are consequential user decisions in this chain. Do not read the research as a claim that every visit silently replaces Android applications.

If an app insists on a separate download to continue, stop and check its official update route. Refusing an unexplained package is a valid response.

Tell a helper whether you accepted the installation, granted access afterward, or only saw the prompt. That information narrows the investigation substantially.

Step 3: Permissions turn the phone into a source of sensitive information

The documented malware can collect financial credentials and messages while supporting remote interaction. The permissions and version involved affect which capabilities are available.

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This is why repeated requests for accessibility, notification access, or other unusual control deserve attention. They are not interchangeable with routine permission to show an alert.

On a compromised device, a one-time code delivered to the same phone may not provide the separation you expected. Tell the bank about the suspected device exposure.

Do not approve a payment simply because a familiar-looking screen appears. An unexpected transaction should be verified through the institution outside the questionable application.

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Step 4: A false banking update can replace the trusted app

In the documented replacement technique, the legitimate banking app is removed before an altered version is installed. Keeping the familiar appearance helps conceal that change.

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The practical warning is straightforward: an entertainment app has no business choosing a replacement for your bank’s application.

Do not accept an uninstall-and-reinstall instruction from a shopping app, advertisement, caller, or unexpected message. Get banking installation guidance from the bank itself.

A matching icon or application name is not enough to establish authenticity after a replacement. The installation source and the device’s remaining condition matter.

Step 5: Stolen information and device access can support financial fraud

The combination creates more than a password problem. A criminal may have information and control associated with the same device used to approve transactions.

That does not mean every infected person experiences the same loss. The bank needs to investigate its records and protect the particular accounts at risk.

Do not keep checking balances in the suspect app while discussing the incident. Use an alternative trusted channel until the bank and device owner restore confidence.

Removal and financial recovery proceed together, but they are different jobs. Uninstalling an app cannot reverse an authorized-looking transaction already processed by a bank.

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Which Warning Signs Deserve Immediate Attention?

An update asks for unrelated control

Pay attention when the permissions do not match what you wanted the app to do. A request to control the screen is different from downloading another episode.

The relevant question is not whether the app offers an explanation. It is whether that explanation reasonably requires access to other apps and sensitive information.

A bank app disappears or needs an unusual replacement

If a banking application is removed unexpectedly, stop and contact the bank. Do not reinstall it from a link supplied by the application that caused concern.

Write down what changed and when. Avoid repeatedly entering credentials to test whether the replacement works, because a working interface cannot establish that it is authentic.

Security controls are treated as obstacles

A prompt telling you to turn off protection or bypass a restriction should increase scrutiny, not reduce it. Do not follow it to complete an entertainment download.

Some legitimate apps need special settings, but trust must come first. A stranger’s installation guide cannot supply the missing relationship with a verified developer.

Heat, battery drain, or sluggish performance alone are not a diagnosis of Hirudo. Combine symptoms with installation history, permissions, alerts, and any unauthorized financial activity.

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What to Do If Hirudo May Have Affected Your Android Device

  1. Stop using the phone for financial access. Disconnect mobile data and Wi-Fi if remote control is suspected. Use another phone or computer for urgent help.

    Tell your bank that the device itself may be compromised, not merely that a password is forgotten. Ask about restricting access and reviewing recent activity.

  2. Preserve information without exposing more. Note app names, installation times, alerts, and any unexpected banking-app replacement. Keep receipts or transaction identifiers for disputed activity.

    Do not collect screenshots containing full banking secrets for public posting. Share sensitive records through the institution’s secure reporting channel.

  3. Review elevated permissions through Android Settings. Inspect accessibility services, device-admin access, notification access, and unfamiliar VPN entries. Menu names differ by manufacturer and Android version.

    Disable unauthorized access before trying to remove the associated app. If controls are blocked or the device behaves unpredictably, seek manufacturer guidance from another device.

  4. Remove both the lure and any malicious second package. Use the system’s application-management settings, not an uninstall button inside the suspicious entertainment app.

    Do not guess solely from the fictional label in the illustration. Use your installation history and security findings to identify the actual items.

  5. Scan with Android-compatible protection. Enable Google Play Protect and investigate its warnings. Malwarebytes for Android can provide an additional assessment of installed applications.

    The reusable scan section below offers platform choices. Use its Android instructions on this device; a Windows installer is not an Android treatment.

  6. Consider a reset when control remains uncertain. Persistent symptoms, blocked removal, or an untrustworthy banking-app environment may require a manufacturer-guided factory reset.

    Preserve essential personal data first. Do not automatically restore unknown APK files or the complete suspicious app collection after resetting.

  7. Reestablish banking and account access safely. Follow the bank’s verified installation route only after the device is trusted. Replace exposed financial and email credentials elsewhere.

    Ask about device registration, sessions, payment approvals, and recent transfers. Changing a single password may not address every access path the institution maintains.

  8. Reduce future exposure without overestimating filters. Keep Android and applications updated, restrict unnecessary installation permissions, and decline update packages pushed by unrelated apps.

    AdGuard can help limit malicious advertising and known risky sites. It cannot revoke accessibility access, remove a banking-app substitute, or retrieve lost funds.

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Is Your Device Infected? Run a Free Malware Scan

Slow performance, constant pop-ups, or strange behavior? These are classic signs of a malware infection. The fastest way to find out is to scan your device with Malwarebytes Free β€” one of the most trusted malware removal tools available.

The free version detects and removes the most common threats, including:

  • Adware β€” the cause of those annoying pop-ups
  • Browser hijackers β€” unwanted redirects and changed homepages
  • Trojans and spyware β€” hidden programs stealing your data
  • Potentially unwanted programs (PUPs) β€” software you never asked for

πŸ‘‰ Select your device below β€” Windows, Mac, or Android β€” then follow the simple steps to download Malwarebytes, scan your system, and remove any threats it finds. The scan usually takes 5 to 20 minutes.

Run a Malware Scan with Malwarebytes for Windows

Malwarebytes is one of the most popular and trusted anti-malware tools for Windows β€” and it’s completely free for removing infections. It catches threats that many antivirus programs miss, including adware, browser hijackers, and trojans. Follow the steps below to scan and clean your PC in just a few minutes.

  1. Download Malwarebytes

    Click the button below to download the latest version of Malwarebytes for Windows from the official source. The free version is all you need β€” it will scan your computer and remove adware, browser hijackers, and other malicious software at no cost.

    Malwarebytes Free for WindowsScans and removes malware at no cost
    Download MalwarebytesOfficial installer for Windows 11 and 10. Your download starts right away.Want real-time protection? See Malwarebytes Premium
  2. Install Malwarebytes

    When the download finishes, open your Downloads folder and double-click the MBSetup file. If Windows shows a User Account Control pop-up, click “Yes” to allow the installation.

    MBAM1
  3. Follow the On-Screen Prompts to Install Malwarebytes

    The setup wizard will walk you through a few quick screens:

    • Choose where you’re installing the program β€” “Personal Computer” or “Work Computer” β€” then click Next.

      MBAM3 1
    • Malwarebytes will now install on your device. This usually takes under a minute.

      MBAM4
    • When installation is complete, the “Welcome to Malwarebytes” screen will open automatically.

      MBAM6 1
    • On the final screen, click Open Malwarebytes to launch the program.

      MBAM5 1
  4. Enable “Scan for Rootkits”

    Before scanning, turn on rootkit detection so Malwarebytes can find even the most hidden threats. Click the Settings gear icon on the left side of the screen.

    MBAM8

    In the settings menu, find “Scan for rootkits” and click the toggle so it turns blue.

    MBAM9

    Done? Click “Dashboard” in the left pane to return to the main screen.

  5. Start the Scan

    Click the blue Scan button. Malwarebytes will automatically update its virus database and start checking your computer for malware.

    MBAM10
  6. Wait for the Scan to Finish

    The scan checks your entire system for browser hijackers and other malicious programs, so it can take 5 to 20 minutes depending on your computer. Feel free to do something else β€” just check back occasionally to see the progress.

    MBAM11
  7. Quarantine the Detected Threats

    When the scan is done, you’ll see a list of everything Malwarebytes found β€” malware, adware, and potentially unwanted programs. Click the “Quarantine” button to remove all of them at once.

    MBAM12

    Malwarebytes will now remove the malicious files and registry entries and move them safely into quarantine.

    MBAM13
  8. Restart Your Computer

    Some threats can only be fully removed after a reboot. If Malwarebytes asks you to restart, click Yes. Once you’re logged back in, Malwarebytes has finished removing the threats it found.

    MBAM14

That’s it β€” your Windows PC is now clean of trojans, adware, and other malware, and should be back to running smoothly.

Keep your PC protectedStop the next infection before it starts
If your antivirus let this threat through, it may not be enough on its own. Malwarebytes Premium adds real-time protection that blocks malware, ransomware, and malicious websites before they can infect your computer.See Malwarebytes Premium

If you are still having problems with your computer after completing these instructions, then please follow one of the steps:

Run a Malware Scan with Malwarebytes for Mac

Malwarebytes for Mac is a free on-demand scanner that removes the malware other security software tends to miss β€” adware, browser hijackers, and unwanted programs included. Cleaning an infected Mac with Malwarebytes has always been completely free, and it’s our go-to recommendation. Follow the steps below to scan and clean your Mac in just a few minutes.

  1. Download Malwarebytes for Mac

    Click the button below to download the latest version of Malwarebytes for Mac.

    Malwarebytes Free for MacScans and removes malware at no cost
    Download MalwarebytesOfficial installer for macOS. Your download starts right away.Want real-time protection? See Malwarebytes Premium
  2. Open the Malwarebytes setup file

    When the download finishes, open your Downloads folder and double-click the setup file to begin the installation.

    Double-click on setup file to install Malwarebytes

  3. Follow the On-Screen Prompts to Install Malwarebytes

    The Malwarebytes for Mac Installer will guide you through a few quick screens. Click “Continue” and keep following the prompts until the installation completes.

    Click Continue to install Malwarebytes for Mac

    Click again on Continue to install Malwarebytes for Mac

    Click Install to install Malwarebytes on Mac

    When the installation is complete, Malwarebytes opens to the Welcome to Malwarebytes screen. Click “Get started“.

  4. Select “Personal Computer” or “Work Computer”

    Malwarebytes will ask what type of computer you’re installing it on. Click either Personal Computer or Work Computer, whichever applies.
    Select Personal Computer or Work Computer mac

  5. Start the Scan

    Click the “Scan” button. Malwarebytes will automatically update its detection database and begin checking your Mac for malware.
    Click on Scan button to start a system scan Mac

  6. Wait for the Scan to Finish

    Malwarebytes will scan your Mac for adware, browser hijackers, and other malicious programs. This can take a few minutes, so feel free to do something else β€” just check back occasionally to see the progress.
    Wait for Malwarebytes for Mac to scan for malware

  7. Quarantine the Detected Threats

    When the scan is done, you’ll see a list of everything Malwarebytes found. Click the “Quarantine” button to remove all the threats at once.
    Review the malicious programs and click on Quarantine to remove malware

  8. Restart Your Mac

    Malwarebytes will now remove all the malicious files it found. Some threats can only be fully removed after a reboot β€” if Malwarebytes asks you to restart, allow it. Once you’re logged back in, your Mac is clean.
    Malwarebytes For Mac requesting to restart computer

That’s it β€” your Mac is now free of adware, rogue browser extensions, and other potentially harmful software.

Keep your Mac protectedStop the next infection before it starts
If your Mac got infected, its built-in protection may not be enough on its own. Malwarebytes Premium for Mac adds real-time protection that blocks malware and adware before they can infect your Mac.See Malwarebytes Premium

If you are still experiencing problems while trying to remove a malicious program from your computer, please ask for help in our Mac Malware Removal Help & Support forum.

Run a Malware Scan with Malwarebytes for Android

Malwarebytes for Android automatically detects and removes dangerous threats like malware and ransomware so you don’t have to worry about your most-used device being compromised. Aggressive detection of adware and potentially unwanted programs keeps your Android phone or tablet running smooth.

  1. Download Malwarebytes for Android.

    You can download Malwarebytes for Android by clicking the link below.

    Malwarebytes for AndroidScans your phone and removes malware at no cost
    Get Malwarebytes for AndroidOpens Google Play in a new tab.Want real-time protection? See Malwarebytes Premium for Android
  2. Install Malwarebytes for Android on your phone.

    In the Google Play Store, tap “Install” to install Malwarebytes for Android on your device.

    Tap Install to install Malwarebytes for Android

    When the installation process has finished, tap “Open” to begin using Malwarebytes for Android. You can also open Malwarebytes by tapping on its icon in your phone menu or home screen.
    Malwarebytes for Android - Open App

  3. Follow the on-screen prompts to complete the setup process

    When Malwarebytes will open, you will see the Malwarebytes Setup Wizard which will guide you through a series of permissions and other setup options.
    This is the first of two screens that explain the difference between the Premium and Free versions. Swipe this screen to continue.
    Malwarebytes Setup Screen 1
    Tap on “Got it” to proceed to the next step.
    Malwarebytes Setup Screen 2
    Malwarebytes for Android will now ask for a set of permissions that are required to scan your device and protect it from malware. Tap on “Give permission” to continue.
    Malwarebytes Setup Screen 3
    Tap on “Allow” to permit Malwarebytes to access the files on your phone.
    Malwarebytes Setup Screen 4

  4. Update database and run a scan with Malwarebytes for Android

    You will now be prompted to update the Malwarebytes database and run a full system scan.

    Malwarebytes fix issue

    Click on “Update database” to update the Malwarebytes for Android definitions to the latest version, then click on “Run full scan” to perform a system scan.

    Update database and run Malwarebytes scan on phone

  5. Wait for the Malwarebytes scan to complete.

    Malwarebytes will now start scanning your phone for adware and other malicious apps. This process can take a few minutes, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.
    Malwarebytes scanning Android for Vmalware

  6. Click on “Remove Selected”.

    When the scan has been completed, you will be presented with a screen showing the malware infections that Malwarebytes for Android has detected. To remove the malicious apps that Malwarebytes has found, tap on the “Remove Selected” button.
    Remove malware from your phone

  7. Restart your phone.

    Malwarebytes for Android will now remove all the malicious apps that it has found. To complete the malware removal process, Malwarebytes may ask you to restart your device.


That’s it β€” your Android phone is now clean β€” no more malicious apps, adware, or browser redirects.

Keep your phone protectedStop the next infection before it starts
Malwarebytes for Android Premium adds real-time protection that blocks malicious apps and scam links before they can harm your phone.See Malwarebytes for Android

If you are still having problems with your phone after completing these instructions, then please follow one of the steps:

Stay Protected: Block Ads and Malicious Sites

Now that your device is clean, keep it that way. Most infections start with a malicious ad or a fake download button β€” so blocking them at the source is your best defense.

We recommend AdGuard, which blocks malicious ads, phishing pages, and dangerous redirects before they can reach you.

πŸ‘‰ Download AdGuard and browse safely

Restoring the Banking App Is Not the Entire Recovery

Reinstalling the genuine banking app is important if it was replaced. It does not, by itself, remove another malicious application still controlling the device.

Similarly, uninstalling the entertainment lure does not establish that its separate payload disappeared. That is why the installed-app and permissions review matters.

Google’s Android malware guidance covers untrusted applications, system updates, security checks, and seeking further help when symptoms persist.

If you need to reset, plan recovery access before wiping the phone. You may need another way to receive legitimate account-recovery information.

Do not disable your only working authentication method without understanding the replacement process. The bank or account provider can explain its supported recovery options.

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Afterward, use an official store listing reached through the bank’s verified website. Check the developer rather than selecting the first familiar-looking result in an advertisement.

Keep the banking investigation open until disputed activity is addressed. A restored phone does not automatically close a fraud report or preserve your dispute evidence.

What to Tell Your Bank or Device Support Team

A precise description helps the next person act. Explain that a separate app or permissions request followed an update in a shopping or entertainment application.

  • Identify any known transaction you did not initiate.
  • Describe whether the genuine bank app was uninstalled or replaced.
  • Say whether codes, PINs, or banking credentials were entered afterward.
  • List suspicious permissions you observed without sharing the secrets themselves.
  • Explain whether you can still control the device and reach its settings.
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You do not need to prove the malware family before requesting help. Unauthorized financial activity and an untrusted device already justify a careful review.

Avoid paying an unsolicited recovery agent who claims to remove Hirudo remotely. Establish who is helping through the bank, manufacturer, or a reputable independent professional.

If the app involved embarrassing content, still describe the installation honestly. The technical team needs the route and timing, not a reason to judge your interests.

Frequently Asked Questions

Is Hirudo malware for Windows or Android?

The threat discussed here targets Android. Choose Android removal procedures and compatible security tools rather than following Windows desktop instructions.

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Can a video app really affect a banking app?

A malicious installation chain with powerful permissions can create that risk. The documented Hirudo operation includes separate payloads and modified replacements for specific banking applications.

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Does every update prompt install Hirudo?

No. Legitimate updates are routine. The concern is an untrusted request that introduces another package, excessive control, or a bank-app replacement outside its verified channel.

Is deleting the first shopping app enough?

Not necessarily. The second package may remain installed independently. Check both application history and sensitive permissions as part of a complete assessment.

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Am I safe because my bank still asks for an SMS code?

Do not rely on that alone when the phone may be compromised. Report the device exposure and let the bank determine appropriate restrictions and recovery steps.

Will a factory reset return money lost to fraud?

No. A reset addresses the device, not completed payments. Report unauthorized transactions directly to the financial institution and retain the evidence it requests.

The Bottom Line

Do not grant entertainment apps control of your phone or let them replace banking software. Hirudo exploits that shift from ordinary content to sensitive device access.

If the chain already occurred, stop banking on the device. Contact the bank elsewhere, address both malicious stages, and restore financial access through verified channels.

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Finish the cleanup. Keep protection on.

Follow the removal steps above, then consider ongoing protection against malicious software and unwanted advertising.

Affiliate links We may earn a commission if you buy through these links, at no extra cost to you. How we’re funded

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Features vary by device and plan. These tools add protection; they do not guarantee that a website or offer is trustworthy.

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Written by

Lapain Epuran

Hello! I'm Lapain Epuran, your go-to source for detailed and honest product reviews. From tech gadgets to miracle cures, I provide insights to help you make informed choices. Join me as we discover what's truly worth your time and money.

3,466 articlesWriting since 2024
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