By Kristopher

How to Remove AV4SNScan.com

Updated Dec 17, 2008

AV4SNScan.com Threat Level: AV4SNScan.com is a pest

AV4SNScan.com screenshotAV4SNScan.com is a scam site that runs a “free” system scan.

What a deal.

Only the scan is fake, and AV4SNScan.com tells you you’re infected with spyware that doesn’t exist, and pops up false security alerts to trick you into buying rogue anti-spyware for about $50. This AV4SNScan.com popup reads:

“The page at AV4SNScan.com says:
Windows is scanning your system for threats. The scanning is provided by our official partner Internet Antivirus Pro. Please refrain from closing the window until the scanning is finished. We highly recommend you to install the full version of Internet Antivirus Pro scanner to monitor your PC for threats and on-time security system updates.”

No matter what you click, you get another AV4SNScan.com pop-up:

“Please note that Spyware is highly malicious for your PC information privacy.
If you want to install the full version, please click “Ok”, wait for the page to load, start the installation process and follow the instructions. If you want to wait for scanning results to appear, please click “Cancel”. After Internet Antivirus Pro is installed, you can close the scanning window and remove Spyware from your computer.”

And then one more AV4SNScan.com popup, if you try to cancel its installation:

“Your computer remains infected by viruses! It can cause data loss and file damages and need to be cured as soon as possible.

Despite whatever AV4SNScan.com says, if you don’t remember how you got to AV4SNScan.com, the only crapware you’re infected with is AV4SNScan.com.

Let me show you how to block AV4SNScan.com and remove Internet Antivirus Pro, for free.

Do You Have AV4SNScan.com?

When you’re infected with badware — whether it’s AV4SNScan.com, 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 AV4SNScan.com 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 AV4SNScan.com.
  • New desktop shortcuts or switched homepage: Badware like AV4SNScan.com 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 AV4SNScan.com Manually

AV4SNScan.com warning 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 AV4SNScan.com manually, you need to delete AV4SNScan.com files. Not sure how to delete AV4SNScan.com files? Click here, and I’ll show you. Otherwise, go ahead and…

Block AV4SNScan.com sites:

AV4SNScan.com

Stop AV4SNScan.com processes:

ska.exe
IAPro.exe

Get rid of AV4SNScan.com DLLs:

ska.dll

Remove AV4SNScan.com registry values:

HKCU\..\Run: [Internet Antivirus] “c:\program files\Internet Antivirus\IAvir.exe” /s
HKCU\..\RunOnce: [3P_UDEC_IA] “%UserProfile%\Desktop\IAInstall.exe” 0;C;user_id=165639&uid=0
HKCU\..\Policies\Explorer\Run: [iv] “%UserProfile%\Local Settings\Application Data\Microsoft\Internet Explorer\iv.exe”

Get rid of AV4SNScan.com folders:

c:\program files\Internet Antivirus\

Note: In any AV4SNScan.com 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 AV4SNScan.com removal, go ahead and leave a comment.

How Do You Remove AV4SNScan.com Files?

Need help figuring out how to delete AV4SNScan.com files? While there’s some risk involved, and you should only manually remove AV4SNScan.com files if you’re comfortable editing your system, you’ll find it’s fairly easy to delete AV4SNScan.com files in Windows.

How to delete AV4SNScan.com 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 AV4SNScan.com file in the search box, and select “Local Hard Drives.”
  4. Click “Search.” Once the file is found, delete it.

How to stop AV4SNScan.com 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 AV4SNScan.com processes.
  4. Once you’ve found the AV4SNScan.com processes, right-click them and select “End Process” to kill AV4SNScan.com.

How to remove AV4SNScan.com registry keys:

AV4SNScan.com warning 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 AV4SNScan.com registry keys, select “Edit,” then select “Find,” and in the search bar type any of AV4SNScan.com’s registry keys.
  4. As soon as AV4SNScan.com registry key appears, you can delete the AV4SNScan.com registry key by right-clicking it and selecting “Modify,” then clicking “Delete.”

How to delete AV4SNScan.com DLL files:

  1. First locate AV4SNScan.com 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 AV4SNScan.com DLL file is located. If you’re not sure if the AV4SNScan.com 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 AV4SNScan.com 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 AV4SNScan.com DLL file you removed, type “regsvr32 DLLJustDeleted.dll” (e.g., “regsvr32 jl27script.dll”) into your command box, and press your “Enter” key.

Did AV4SNScan.com 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.

AV4SNScan.com Removal Tip

Is your computer acting funny after deleting any AV4SNScan.com 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 AV4SNScan.com files? Download Spyware Doctor, let it find the AV4SNScan.com files for you, and then manually delete AV4SNScan.com files.

How Did You Get AV4SNScan.com?

Wondering how AV4SNScan.com ended up on your PC? If you’re infected with AV4SNScan.com 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 AV4SNScan.com. 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 AV4SNScan.com.
  • 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 AV4SNScan.com. I recommend you use Firefox web browser, if you don’t already.

Understanding AV4SNScan.com

If you’re infected with AV4SNScan.com, you should know what you’re fighting. I’ll explain some definitions related to AV4SNScan.com.

AV4SNScan.com May Be Rogue Anti-Spyware

Rogue anti-spyware refers to anti-spyware/antivirus software of questionable value. Rogue anti-spyware may not be proven to protect your computer from spyware, may popup fake alerts or create many false positives about your PC being infected, or may use scare tactics to try to get you to purchase the application. Rogue anti-spyware software may be installed by a Trojan, come bundled with other software, or install itself through web browser security holes. While it is fairly rare, some rogue anti-spyware is created and distributed by known spyware or adware companies, and the rogue anti-spyware may install spyware or adware itself.

Often when you’re infected with rogue anti-spyware like AV4SNScan.com, you’ll see a false popup security alert like this:

AV4SNScan.com  popup

Rogue Anti-Spyware Tactics

Typically, rogue anti-spyware such as AV4SNScan.com has one or more of the qualities listed below, which is why rogue anti-spyware is considered anti-spyware software of questionable value.

  • False positives/fake alerts: Rogue anti-spyware may produce a large number of false positives or use fake alerts, noting that your computer is infected with spyware parasites or other threats that do not really exist.
  • Copycat looks: Rogue anti-spyware may copy the look and feel of other legitimate or rogue anti-spyware applications. Often, rogue anti-spyware applications may appear as close clones of other rogue anti-spyware software.
  • High pressure marketing: Rogue anti-spyware may use scare tactics or other aggressive advertising and marketing tactics to try to trick you into buying the rogue anti-spyware application. Often, rogue anti-spyware may produce false positives and fake alerts about your computer being infected.
  • Poor detection/scan reporting: Rogue anti-spyware may produce poor reports when it scans your PC. For example, rogue anti-spyware may say your computer is infected 11 parasites, but not specify which spyware parasites or what type of parasites. Rogue anti-spyware may also report that your PC is infected with SafeAndClean, but not tell you which related files, DLLS, etc. were found on your computer.
  • Weak scanning/detection: Rogue anti-spyware may not only poorly report on computer infection, but rogue antispyware may also poorly scan your PC. Rogue anti-spyware may skip over important folders and files of your computer that should be scanned to detect spyware.

Did AV4SNScan.com use these tactics to trick you into buying AV4SNScan.com?

AV4SNScan.com May Be a Browser Hijacker

Browser hijackers can change your web browser settings. Browser hijackers may change your home page to or redirect your searches through a pay-per-click site to make money, and browser hijackers may also monitor your web activities. Often, resetting your web browser to its default settings will not remove or stop the browser hijacker from working.

Filed Under: Browser Hijackers, Fake Antispyware
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