FUN.xls is a worm disguised as an Excel spreadsheet file. FUN.xls slips into your system, and copies itself into your computer under other names, as soon as it can. FUN.xls can eat up your data, on your computer and any other devices you connect it to (smart phone, external hard drive, etc.).

Before FUN.xls ruins your system, let me show you how to get rid of FUN.xls for free.

Do You Have FUN.xls?

When you’re infected with badware — whether it’s FUN.xls, spyware, adware, a Trojan, or a virus — there are a few key symptoms. Have you noticed…

• Slow computer performance: It just takes one parasite like FUN.xls to slow your computer dramatically. If your PC takes longer than usual to reboot, or if your Internet connection is unusually slow, you may be infected with FUN.xls.
• New desktop shortcuts or switched homepage: Badware like FUN.xls may change your Internet settings to redirect your homepage to another site. Badware can even add desktop shortcuts to your PC.
• Annoying popups: Badware can bombard your computer with popup ads, even when you’re not online. Through these popups, you may be tricked into downloading more spyware.

How to Remove FUN.xls Manually

Before we get started, you should backup your system and your registry, so it’ll be easy to restore your computer if anything goes wrong.

To remove FUN.xls manually, you need to delete FUN.xls files. Not sure how to delete FUN.xls files? Click here, and I’ll show you. Otherwise, go ahead and…

Stop FUN.xls Processes:

Get rid of FUN.xls files:

Note: In any FUN.xls files I mention above, “%UserProfile%” is a variable referring to your current user’s profile folder. If you’re using Windows NT/2000/XP, by default this is “C:\Documents and Settings\[CURRENT USER]” (e.g., “C:\Documents and Settings\JoeSmith”). If you have any questions about manual FUN.xls removal, go ahead and leave a comment.

How Do You Remove FUN.xls Files?

Need help figuring out how to delete FUN.xls files? While there’s some risk involved, and you should only manually remove FUN.xls files if you’re comfortable editing your system, you’ll find it’s fairly easy to delete FUN.xls files in Windows.

How to delete FUN.xls files in Windows XP and Vista:

1. Click your Windows Start menu, and then click “Search.”
2. A speech bubble will pop up asking you, “What do you want to search for?” Click “All files and folders.”
3. Type a FUN.xls file in the search box, and select “Local Hard Drives.”
4. Click “Search.” Once the file is found, delete it.

How to stop FUN.xls processes:

1. Click the Start menu, select Run.
2. Type taskmgr.exe into the the Run command box, and click “OK.” You can also launch the Task Manager by pressing keys CTRL + Shift + ESC.
3. Click Processes tab, and find FUN.xls processes.
4. Once you’ve found the FUN.xls processes, right-click them and select “End Process” to kill FUN.xls.

How to remove FUN.xls registry keys:

Because your registry is such a key piece of your Windows system, you should always backup your registry before you edit it. Editing your registry can be intimidating if you’re not a computer expert, and when you change or a delete a critical registry key or value, there’s a chance you may need to reinstall your entire system. Make sure your backup your registry before editing it.

1. Select your Windows menu “Start,” and click “Run.” An “Open” field will appear. Type “regedit” and click “OK” to open up your Registry Editor.
2. Registry Editor will open as a window with two panes. The left side Registry Editor’s window lets you select various registry keys, and the right side displays the registry values of the registry key you select.
3. To find a registry key, such as any FUN.xls registry keys, select “Edit,” then select “Find,” and in the search bar type any of FUN.xls’s registry keys.
4. As soon as FUN.xls registry key appears, you can delete the FUN.xls registry key by right-clicking it and selecting “Modify,” then clicking “Delete.”

How to delete FUN.xls DLL files:

1. First locate FUN.xls DLL files you want to delete. Open your Windows Start menu, then click “Run.” Type “cmd” in Run, and click “OK.”
2. To change your current directory, type “cd” in the command box, press your “Space” key, and enter the full directory where the FUN.xls DLL file is located. If you’re not sure if the FUN.xls DLL file is located in a particular directory, enter “dir” in the command box to display a directory’s contents. To go one directory back, enter “cd ..” in the command box and press “Enter.”
3. When you’ve located the FUN.xls DLL file you want to remove, type “regsvr32 /u SampleDLLName.dll” (e.g., “regsvr32 /u jl27script.dll”) and press your “Enter” key.

That’s it. If you want to restore any FUN.xls DLL file you removed, type “regsvr32 DLLJustDeleted.dll” (e.g., “regsvr32 jl27script.dll”) into your command box, and press your “Enter” key.

Did FUN.xls change your homepage?

1. Click Windows Start menu > Control Panel > Internet Options.
2. Under Home Page, select the General > Use Default.
3. Type in the URL you want as your home page (e.g., “http://www.homepage.com”).
4. Select Apply > OK.
5. You’ll want to open a fresh web page and make sure that your new default home page pops up.

FUN.xls Removal Tip

Is your computer acting funny after deleting any FUN.xls files? I recommend using a program like File Recover from PC Tools. File Recover saves deleted files that otherwise can’t be recovered by Windows operating sytem.

Want to save time finding FUN.xls files? Download Spyware Doctor, let it find the FUN.xls files for you, and then manually delete FUN.xls files.

How Did You Get FUN.xls?

Wondering how FUN.xls ended up on your PC? If you’re infected with FUN.xls or other badware, perhaps you were using…

• Freeware or shareware: Did you download and install shareware or freeware? These low-cost or free software applications may come bundled with spyware, adware, or programs like FUN.xls. Sometimes adware is attached to the free software to “pay” developers for the cost of creating the software, and more often spyware is secretly attached to free software to harm your computer and steal your personal and financial information.
• Peer-to-peer software: Do you use a peer-to-peer (P2P) program or other application with a shared network? When you use these applications, you put your system at risk for unknowingly downloading an infected file, including applications like FUN.xls.
• Questionable websites: Did you visit a website that’s of questionable nature? When you visit malicious sites that are fishy and phishy, badware may be automatically downloaded and installed onto your computer, sometimes including applications like FUN.xls. I recommend you use Firefox web browser, if you don’t already.

Understanding FUN.xls

If you’re infected with FUN.xls, you should know what you’re fighting. I’ll explain some definitions related to FUN.xls.

FUN.xls May Be a Worm

Worms are virus-like badware with destructive codes. Worms are able to mutate, or replace their own code by automatically, which makes worms very dangerous, difficult to find, and hard to delete. Similar to viruses, worms can spread to the other computers by secretly and automatically emailing themselves to other Internet users in your address book. The main difference between worms and viruses is that a worm wil replace your computer files rather than simply inserting their code into your files.