Downloader.Lofog!gen2

This page contains detailed analysis on Downloader.Lofog!gen2. To get rid of this Trojan, please use the removal guide below.

Downloader.Lofog!gen2 is a generic detection for a malicious file that is infected with a virus that belongs to a Downloader.Lofog family of threats. When executed, this virus will attempt to connect to a remote computer and download more threats.

Damage Level: Low

Systems Affected: Windows 9x, 2000, XP, Windows Vista

Characteristics
This Trojan will disguise as a Microsoft Word document file utilizing an icon created specifically for MS Word documents.  Downloader.Lofog!gen2 injects a file to legitimate Windows process svchost.exe that will force a connection to specified URL and download more threats.

Once executed on the computer, Downloader.Lofog!gen2 will try to communicate to the specified web address to download and execute MS Word file. This action is a front for the virus to execute a remote command. Next, this virus will inject a malicious component to legitimate svchost.exe. Since this file will execute on every Windows startup, the code also loads the harmful module at the same time.

Downloader.Lofog!gen2 will then repeatedly communicate to a remote address to download more threats. Every threat that the virus may fetch will perform different payload once it is dropped on the computer.

Distribution
The Trojan spreads in a way that it represents itself as a Facebook file through spam email messages. Though it is in .exe file format, usual readers may view it as an MS Word document file because of its misleading icon. Opening the attached file will initiate the Trojan and start to infect other files on the system.

How to Remove Downloader.Lofog!gen2

Systematic procedures to get rid of the threat are presented on this section. Make sure to scan the computer with suggested tools and scanners.

Step 1 : Download Microsoft Safety Scanner and Run a Scan

NOTE: We suggest that you PRINT or BOOKMARK this guide. There are steps that we may have to restart the computer in order to successfully remove the threat.

If you have previous version of Microsoft Safety Scanner that is more than 10 days old, please disregard it. Download a new copy from the official web site. Every 10 days, Microsoft will release the latest edition of this tool with updated anti-virus definitions to ensure that it will detect even most recent malware threats.

1. Download Microsoft Safety Scanner by clicking the button below and save it on your desktop. This is a free tool from Microsoft that offers on-demand scanning. It helps remove computer infection such as malware, virus, and Trojan.

Click to Download

2. Restart Windows in Safe Mode.

Boot in Safe Mode on Windows XP, Windows Vista, and Windows 7 system
a) Before Windows begins to load, press F8 on your keyboard.
b) It will display the Advanced Boot Options menu. Select Safe Mode.

Start computer in Safe Mode using Windows 8 and Windows 10
a) Close any running programs on your computer.
b) Get ready to Start Windows. On your keyboard, Press and Hold Shift key and then, click on Restart button.
c) It will prompt you with options, please click on Troubleshoot icon.
d) Under Troubleshoot window, select Advanced Options.
e) On next window, click on Startup Settings icon.
f) Lastly, click on Restart button on subsequent window.
g) When Windows restarts, present startup options with numbers 1 - 9. Select "Enable Safe Mode with Networking" or number 5.

Startup Options

h) Windows will now boot on Safe Mode with Networking. Proceed with virus scan as the next step.

3. Once Windows starts in Safe Mode, locate the file of Microsoft Safety Scanner (msert.exe) that you have downloaded earlier. Double-click to run the file.

Icon of MSS

4. When it shows End user license agreement, please accept and click Next to continue.

5. On Scan Type window, please select Full scan. The tool will scan the entire system. This is ideal to detect and remove all threats that are present on the computer.

Image of MS Safety Scanner in full scan

6. Click Next to begin the scan. This process will take a while to finish. Please be patient and let MSS complete the scan procedure.

MSS while Scanning the computer

7. Once the scan operation ends, it will provide a report for identified threats. Please remove all the threats.

8. Reboot the computer and run another scan after Windows boots normally to make sure that Downloader.Lofog!gen2 is gone. You may now restart Windows normally.

Step 2 : Double-check for Remnants of Downloader.Lofog!gen2 using Malwarebytes Anti-Malware

This guide requires a tool called Malwarebytes' Anti-Malware. It is a free tool designed to eradicate various computer infections including Downloader.Lofog!gen2. MBAM scanner and malware removal tool is distributed for free.

1. In order to completely remove Downloader.Lofog!gen2, it is best to download and run the recommended tool. Please click the button below to begin download.

Download Tool

2. After downloading, double-click on the file to install the application. If you are using Windows Vista or higher version, right-click on the file and select 'Run as administrator' from the list.

3. When User Account Control prompts, please click Yes to proceed with the installation.

4. Follow the prompts and install as 'default' only. There are no changes needed during the installation process.

Launch MBAM

5. Malwarebytes Anti-Malware will launch for the first time. It is necessary to proceed with software update.

6. After downloading updates, please click on Scan on the left sidebar.

7. Choose Threat Scan on scanner's console to ensure that it thoroughly check the PC for any presence of Downloader.Lofog!gen2 and other forms of threats. Click the Start Scan button to begin.

MBAM Scan

8. Once the scan has completed, Malwarebytes Anti-Malware will issue a list of identified threats. Mark all threats and click on Quarantine Selected.

MBAM Scan Finish

9. If it prompts to restart the computer, please reboot Windows.

Alternative Removal Procedure for Downloader.Lofog!gen2

Use Windows System Restore to return Windows to previous state

During an infection, Downloader.Lofog!gen2 drops various files and registry entries. The threat intentionally hides system files by setting options in the registry. With these rigid changes, the best solution is to return Windows to previous working state is through System Restore.

To verify if System Restore is active on your computer, please follow the instructions below to access this feature.

How to Access System Restore on Windows XP, Windows Vista, and Windows 7

a) Go to Start Menu, then under 'Run' or 'Search Program and Files' field, type rstrui.
b) Then, press Enter on the keyboard to open System Restore Settings.

rstrui-win7

How to Open System Restore on Windows 8 and Windows 10

a) Hover your mouse cursor to the lower left corner of the screen and wait for the Start icon to appear.
b) Right-click on the icon and select Run from the list. This will open a Run dialog box.
c) Type rstrui on the 'Open' field and click on OK to initiate the command.

rstrui-win8

If previous restore point is saved, you may proceed with Windows System Restore. Click here to see the full procedure.

Option 2 : Downloader.Lofog!gen2 manual uninstall guide

IMPORTANT! Manual removal of Downloader.Lofog!gen2 requires technical skills. Deleting system files and registry entries by mistake may result to total disability of Windows system. We advise you to perform a backup of registry before proceeding with this guide.

1. Kill any running process that belongs to Downloader.Lofog!gen2.
- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for Downloader.Lofog!gen2 files (refer to Technical Reference) and click End Process.

End Task

2. Delete all registry entries that belong to this malware.
- Press [Windows Key]+R on your keyboard.
- In the 'Open' dialog box, type regedit and press Enter. This will open registry editor.
- Find and delete registry entries as mentioned in Technical Reference section below.
- Close registry editor. Changes made will be save automatically.

Run Regedit

3. Scan the computer with antivirus program.
- Connect to Internet and open your antivirus software. Please update to obtain the latest database and necessary files.
- Restart the computer in Safe Mode.
- Just before Windows logo begins to load press F8 on your keyboard.
- On Windows Advanced Boot Options, select Safe Mode and press Enter.

4. Delete all files dropped by Downloader.Lofog!gen2.
- While still in Safe Mode, search and delete malicious files. Please refer to 'Technical Reference'. Make sure that you execute 'End Task' first before deleting the file. Otherwise, the system will not let you perform this action.

FAQs

Is Dangerous?

Yes, can badly affect your computer and slow down its performance and usability.

Can I Remove from my Computer?

Yes, can be removed by downloading our recommended antivirus software and scanner.

How Easy is it to Remove Virus?

Nearly all paid antivirus scanners and removal tools should help remove the virus from your computer.

Once I remove do I still need antivirus?

Yes, new viruses such as are created everyday and the only way to stay 100% protected is to use antivirus on your device.

Associated Files and Folders:
Avatar

About Marco Mathew

Marco Mathew works as Windows Network administrator before establishing precisesecurity.com. Now, Marco is dedicating full-time to help computer users' fight viruses, malware, trojan, worms, adware, and potentially unwanted programs.

Leave a Comment

Your email address will not be published. Required fields are marked *