W32.Werle

This page contains data and removal guide to delete W32.Werle from an infected computer. Follow the instruction carefully to get rid of the Trojan instantly.

W32.Werle is an extremely risky computer virus that will search for executable files. If it finds target files, the virus infects them by appending own code into the header section. Virus infection may cause the system to slow down and decrees overall performance. Damage caused by W32.Werle to various system files can destabilize the system. Severe infection may also lead to system crashes or Blue Screen of Death (BSOD) during Windows boot-up.

Damage Level: Medium

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

Characteristics
When user executes the virus, it will drop several files under System folder of Windows. Next, W32.Werle virus will scan the computer for files with extensions such as .doc, .jpg, .mp3, .pass and .zip. Deleting these files is the primary payload of this virus. Moreover, files that cannot be deleted will be set to hidden attribute.

W32.Werle may contact a remote server to download configuration file. It intends to perform updates to be able to carry out more function and increase its damage towards the affected computer.

Distribution
The virus primarily spread through online spam activities. Email campaign and instant messaging application are the top factors in propagating this virus. W32.Werle also embeds the code to shareware applications that can be obtain from file-sharing network. With its capability to conceal itself using a highly developed mechanism, some antivirus application fails to detect its arrival.

There is no evident sign for the presence of W32.Werle. Security alerts from installed anti-virus program may be the only obvious symptoms of this virus. See screenshot image below.

W32.Werle

How to Remove W32.Werle

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

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.

Step 1 : Run a scan with your antivirus program

1. First thing you should do is reboot the computer in Safe Mode with Networking to avoid W32.Werle from loading at start-up.

Remove all media such as Memory Card, cd, dvd, and USB devices. Then, restart the computer and please do the following:

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.

2. Once Windows is running under Safe Mode with Networking, open your antivirus program and download the most recent update. This method ensures that your antivirus program can detect even newer variants of W32.Werle.

Updating your antivirus software is a one-click process. Please refer to your software manual for complete instructions.

3. Once updating is finished, run a full system scan. After the scan, delete all infected items. If unable to clean or delete, better place the threat in quarantine.

Step 2: Run another test with online virus scanner

Another way to remove W32.Werle without the need to install additional antivirus software is to perform a thorough scan with free online virus scanner. It can be found on websites of legitimate antivirus and security provider.

1. Click the button below to proceed to the list of suggested Online Virus Scanner. Choose your desired provider. You can run each scan individually, one at a time, to ensure that all threats will be removed from the computer. This may require plug-ins, add-on or Activex object, please install if you want to proceed with scan.

Online Virus Scan

2. After completing the necessary download, your system is now ready to scan and remove W32.Werle and other kinds of threats.
3. Select an option in which you can thoroughly scan the computer to make sure that it will find and delete entirely all infections not detected on previous scan.
4. Remove or delete all detected items.
5. When scanning is finished, you may now restart the computer in normal mode.

Alternative Removal Procedures for W32.Werle

Option 1 : Use Windows System Restore to return Windows to previous state

During an infection, W32.Werle 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.

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

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 : W32.Werle manual uninstall guide

IMPORTANT! Manual removal of W32.Werle 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 W32.Werle.

- Press Ctrl+Alt+Del on your keyboard.
- When Windows Task Manager appears, look for W32.Werle 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 using the procedures above.
- Open your anti-virus program and thoroughly run a scan on the computer. Delete/Quarantine all identified threats to remove W32.Werle effectively.

4. Delete all files dropped by W32.Werle.

- 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.

Technical Reference

Associated Files and Folders:Added Registry Entries:

FAQs

Is
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Dangerous?

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

Can I Remove
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from my Computer?

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

How Easy is it to Remove
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Virus?

Nearly all paid antivirus scanners and removal tools should help remove the
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Once I remove
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do I still need antivirus?

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

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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.

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