How to remove the Extension.dll malware

The Extension32.dll file is a software component of Web Assistant by Bit Cocktail.
The Extension32.dll is a Dynamic Link Library, a repository of information required by the program to store program code, data, and resources. Bitcocktail (now Bitshakers) is a company that developers browser games and e-commerce solutions. Web Assistant has been reported as a malware program that installs itself in your browser and redirects internet searches to advertisers. This becomes the default search engine for your browser, and runs continuously in the background, eating up system performance.

Extension32 stands for Extension 32-bit

Some anti-malware programs classify Extension32.dll as a harmful extension to Internet Explorer: for example Adware.PassionFruit.A (detected by BitDefender), and WS.Reputation.1 (detected by Symantec). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated Extension.dll software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about Extension.dll and how to get rid of it.

Click here to automatically remove the Extension.dll malware

Extension32.dll file information

The process known as Extension.dll or Web Assistant or IB Updater

belongs to software Web Assistant or Updater By SweetPacks or IB Updater or Protector by IB or CoolPic - Fun Social Pictures or Extension.dll or Updater By Sweetpacks or V-bates or WBC Engine or Expresso

by Bit Cocktail or Wajamu or GoodSearch (

Description: Extension32.dll is not essential for the Windows OS and causes relatively few problems. Extension32.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 170,840 bytes (40% of all occurrences), 162,816 bytes and 29 more variants. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include A6629839-6636-4998-95D6-2B0F52141861 or 336D0C35-8A85-403a-B9D2-65C292C39087 or 14 more variants. The program has no file description. The program is not visible. Extension32.dll is able to monitor web browsers. The file is not a Windows core file. The Extension32.dll file is digitally signed. Therefore the technical security rating is 64% dangerous.

Uninstalling this variant: If you have any problems with Extension32.dll, you may also uninstall Web Assistant or IB Updater from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify Extension32.dll related errors

Important: Some malware also uses the file name Extension32.dll, for example Adware.PassionFruit.A (detected by BitDefender), and WS.Reputation.1 (detected by Symantec). Therefore, you should check the Extension32.dll process on your PC to see if it is a threat. If Extension.dll has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving Extension32 issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active Extension32 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the Extension32.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

Extension32.dll [all]