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Home Malware

How to Remove TrojanDownloader:HTML/Adodb.gen!A Malware? (Step-By-Step Guide!)

Pigtou Team by Pigtou Team
October 6, 2022
in Malware
Reading Time: 16 mins read
How to Remove TrojanDownloaderHTMLAdodb.gen!A (Step-By-Step Guide!)

This step-by-step guide will highlight how to remove this virus automatically and manually from your PC.

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Has your PC been behaving strangely lately? The cause may be down to malware infecting your PC. Today, we’ll discuss the TrojanDownloader:HTML/Adodb.gen!A script malware. This malware can run several unauthorized actions on your computer if left unchecked. Read on as we explain how this virus infects computers and how to remove it. 

Short on time? Luckily, Spy Hunter can help you delete this malware quickly from your computer. We’ll discuss how you can use this program below! 


Is TrojanDownloader:HTML/Adodb.gen!A Malware or False Positive?

This is a type of malware that appears as a script that alters the operation of your web browsers. This malware is typically found in the C: UsersAppDataRoamingdiscordCache folder. This virus originally came from an image from Discord that circulated on the internet. Users who downloaded the photo reported receiving an alert from their security software. 

TrojanDownloader:HTML/Adodb.gen!A is an HTML script, a string of code executed to run several processes on the target system. This means that the code could run on your computer without the need for installing harmful software. This is especially dangerous because security software may be unable to detect this virus.

This virus can also lead to the spread of other malware, including ransomware and backdoors. Ransomware, in particular, can lead to total data loss users need to ensure they remove this malware as soon as possible! Furthermore, because the malware runs on HTML script, it will likely affect browsers like Safari, Google Chrome, Mozilla Firefox, and others.


Automatic Way to Remove TrojanDownloader:HTML/Adodb.gen!A

Here, we’ll outline how SpyHunter can remove this virus automatically. 


Step 1: First, download SpyHunter. Afterward, open the Spy Hunter file once it has been downloaded.


Step 2: When the “User Account Control” dialog appears, select “Yes.”

Step 3: On the next page, select a language. Afterward, read and accept the “License Agreement” before proceeding.

Step 4: Finally, select “Finish” to complete the installation process.

Step 5: Once the installation is complete, locate and open the Spy Hunter icon on your PC’s home screen.

Step 6: After opening Spy Hunter, click on “Start Computer Scan Now” to scan your PC for this malware. When the scan is complete, click “Remove” to delete every trace of this virus.

TrojanDownloaderHTMLAdodb.gen!A



The Most Advanced Guide to Remove TrojanDownloader:HTML/Adodb.gen!A Manually (Proceed with Caution!)

If you decide to remove malware manually, follow our step-by-step guide below. Note that this process takes 20-30 minutes and requires some technical skills. If you do not follow our steps carefully, this may damage or corrupt your Windows system, and you will end up paying more to reinstall the system and recover your data than getting malware removal software in the first place.


Before Proceeding to Solutions, You Need to Enter a Safe Mode


Step 1. Search for ‘Recovery Options‘ > Recovery > Advanced start-up > Restart now

Before Proceeding to Solutions, You Need to Enter a Safe Mode - Advance options#1


Step 2. Then in Choose an option menu go to Troubleshoot > Advanced options > Startup Settings > Restart

Step 3. Once restarted, select Safe Mode with Networking and press Enter


Now let’s proceed to malware removal steps… Please follow our exact order of solutions to have a higher chance of success.


Solution #1 – Delete Suspicious Tasks in Task Scheduler


Step 1. Go to Control Panel > Administrative Tools > Task Scheduler

Step 2. Open the Task Scheduler Library folder and delete suspicious tasks

Solution #1 - Delete Suspicious Tasks in Task Scheduler
Delete suspicious tasks in Task Scheduler / Image credit: Pigtou


TIP: if you don’t recognize suspicious tasks, filter by ‘Created’ date and check the latest created tasks. Also, suspicious tasks might have a missing Author.


Solution #2 – Delete Suspicious Programs in Programs and Features


Step 1. Go to Control Panel > Programs and Features

Delete Suspicious Programs in Programs and Features - control panel - program
Open Programs and Features / Image credit: Pigtou


Step 2. Sort by ‘Installed On‘ date and delete suspicious programs

Solution #2 - Delete Suspicious Programs in Programs and Features
Delete suspicious programs in Programs and Features / Image credit: Pigtou


TIP: Think about what programs were installed just before your PC got infected.


Solution #3 – Delete Suspicious Files from Task Manager


Step 1. Open Task Manager and go to the Details tab

Step 2. Search for suspicious processes

Step 3. Right-click on suspicious process > Open file location, and delete the file or whole folder

Delete suspicious processes in Task Manager / Image credit: Pigtou


Step 4. Get back to Task Manager and end the suspicious process

Step 5. Then search the Startup tab for suspicious processes > Open the file location, and delete the file or whole folder

Delete suspicious startup processes / Image credit: Pigtou


TIP: If ‘Access is denied’ and you’re unable to delete files, search for Resource Monitor (run as administrator), open and end the process in the Overview tab, then try to delete a file.


Solution #4 – Delete Suspicious Registries from Registry Editor


Step 1. Open Registry Editor (Run as administrator)

Solution #4 - Delete Suspicious Registries from Registry Editor - Open Registry Editor
Run Registry Editor as administrator / Image credit: Pigtou


Step 2. Delete suspicious registries from: 

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce locations

Delete suspicious records in Run and RunOnce locations / Image credit: Pigtou


Step 3. Then select Computer and go to Edit > Find, and search Registry by names of suspicious files you remember from previous steps

Search for suspicious records / Image credit: Pigtou

TIP: You can easily delete suspicious registries from Run and RunOnce folders, however, be careful with deleting registries from other folders. This can break your system.


Solution #5 – Disable Suspicious Services in System Configuration


Step 1. Search for Run and type msconfig, then open the Services tab

Disable Suspicious Services in System Configuration - run diag
Type msconfig in Run / Image credit: Pigtou


Step 2. Tick ‘Hide all Microsoft services‘

Solution #5 - Disable Suspicious Services in System Configuration
Disable suspicious services in System Configuration / Image credit: Pigtou


Step 3. Then search a list for suspicious services and untick them


TIP: Missing or unknown Manufacturer can be a good sign of suspicious service


Solution #6 – Delete Temporarily Files


Step 1. Search for Run and type %temp%

Delete Temporarily Files - temporary files
Locate Temp folder and delete everything inside / Image credit: Pigtou


Step 2. Delete everything in the Temp folder

Step 3. Empty Recycle Bin


TIP: all temporary files can be deleted without hesitation. It will not damage your system.


Solution #7 – Check Hosts File


Step 1. Go to C:\Windows\System32\drivers\etc, and open the hosts file as Notepad

Step 2. Delete everything below ‘# ::1 localhost‘

Solution #7 - Check Hosts File
Delete suspicious records in Hosts file / Image credit: Pigtou


TIP: If a record doesn’t have ‘#’, this is definitely a suspicious record that should be deleted.


Solution #8 – Clean Browsers


Step 1. Search for your browser, right-click and open file location

Step 2. Then right-click on the browser icon and open Properties

Step 3. Delete everything after exe” in Target (for example, Google Chrome’s target should end with chrome.exe”)

Solution #8 - Clean Browsers' Target in properties
Verify Target in browser properties / Image credit: Pigtou


Then you need to open your browser, delete suspicious extensions, notifications, and reset settings to defaults.


• Google Chrome:


Delete suspicious extensions: Settings > Extensions

Google Chrome - extension
Delete suspicious extensions in your browsers / Image credit: Pigtou


Remove suspicious notifications: Settings > Privacy and security > Notifications, then remove suspicious notifications under ‘Allowed to send notifications‘

Reset settings to defaults: Settings > Reset and clean up > Restore settings to their original defaults > Reset settings


• Mozilla Firefox:


Delete suspicious add-ons: Menu > Add-ons and themes

Remove suspicious notifications: Menu > Privacy & Security > Notifications > Settings…, then remove websites you do not want to receive notifications from

Reset settings to defaults: Menu > Help > More troubleshooting information > Refresh Firefox > Refresh Firefox


• Opera:


Delete suspicious extensions: Click on Opera icon > Extensions > Extensions

Remove suspicious notifications: Click on Opera icon > Settings > Advanced > Privacy & security > Site Settings > Notifications, then under ‘Allowed to send notifications’ remove websites you do not want to receive notifications from

Reset settings to defaults: Click on Opera icon > Update and recovery > Recover


• Microsoft Edge:


Delete suspicious extensions: Menu > Extensions

Remove suspicious notifications: Menu > Settings > Cookies and site permissions > Notifications, then under ‘Allow‘ remove websites you do not want to receive notifications from

Reset settings to defaults: Menu > Settings > Reset settings > Restore settings to their default values > Reset


Solution #9 (Optional) – Follow This Solution if Your Browser Does Not Open Any Websites


If your browsers do not open any websites while other software can connect to the internet properly, you need to check internet properties:

Step 1. Go to Control Panel > Internet Options > Connections > LAN settings

Follow This Solution if Your Browser Does Not Open Any Websites lan options
Open LAN settings / Image credit: Pigtou


Step 2. Tick ‘Automatically detect settings’ and untick ‘Use a proxy server for your LAN’

Disable 'Use Proxy for LAN'
Disable proxy server for LAN / Image credit: Pigtou


Step 3. Then disable proxy servers in the browser if connection wasn’t restored yet


• Check AppInit_DLL in Registry


Step 1. Open Registry Editor (Run as administrator)

Step 2. Go to Edit > Find, search for AppInit_DLLs

Step 3. Open the AppInit_DLLs file and make sure Value Data is empty (don’t remove records starting with “SYS:”)

Check Value Data in AppInit_DLL / Image credit: Pigtou


Step 4. If Value Data contains a path to any DLL file, follow that path, find and delete that DLL file, and clean Value Data in AppInit_DLLs file.


TIP: DLL file may be hidden in the destination folder. In that case, change the folder setting by going to View > Options > Change folder and search options > View, then select ‘Show hidden files, folders and drives’


• Check DNS servers


Step 1. Go to Control Panel > All Control Panel Items > Network and Sharing Centre, then click on your Connection

Check DNS servers - find your connection
Find your connection / Image credit: Pigtou

Step 2. Open Properties > Internet Protocol Version 4 (TCP/IPv4)

Step 3. Select ‘Use the following DNS server addresses’ and enter 8.8.8.8 to Preferred DNS server and 8.8.4.4 to Alternative DNS server

Update DNS servers / Image credit: Pigtou

Step 4. Then open Command Prompt and enter the following commands: ipconfig /flushdns then route –f (these commands will clean DNS cache)

Flush DNS cache / Image credit: Pigtou


Solution #10 (Optional) – Restore the Windows


If the steps above do not remove malware, you can restore your Windows to the earlier point. This will not affect your pictures, documents or personal data, but some programs or drivers might be uninstalled.

Search for Create a restore point > System Restore… > Next > Select a date you want to restore your system to > Next > Finish

Solution #10 (Optional) - Restore the Windows
Restore system to the earlier settings / Image credit: Pigtou


You may also need to decrypt or recover your personal files.


Conclusion

TrojanDownloader:HTML/Adodb.gen!A virus can execute different commands that pose a threat to the data on your computer. If you don’t remove this file immediately, you may discover that all your files have been erased. For this reason, we recommend using Spy Hunter to remove this malware.


FAQs

How to remove TrojanDownloader:HTML/Adodb.gen!A Virus? 

Users can use Spy Hunter to remove this malware from their PC quickly. You can also use the manual methods covered in this guide.

Should my PC system be repaired after removing this virus?

Users don’t need to repair their computers if they use Spy Hunter to delete the malware. However, if the malware is removed manually, there’s a possibility that you accidentally deleted an important file, and your computer’s performance may suffer as a result. For this reason, you should run a PC repair scan following a manual virus removal.

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