How to remove the scanquery virus

Most antivirus programs identify scanquery.dll as malware—such as Symantec identifies it as Adware.Zwunzi!gen2, and BitDefender identifies it as Gen:Variant.Boigy.2.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the scanquery.dll malware

Scanquery.dll file information

The process known as scanquery.dll appears to belong to software ScanQuery (version 1.0 build 125 powered by FIRST, 1.0 build 131 powered by, 1.0 build 177 powered by FIRST) by unknown.

Description: Scanquery.dll is not essential for Windows and will often cause problems. Scanquery.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 573,440 bytes (66% of all occurrences), 1,019,904 bytes or 585,728 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. There is no information about the author of the file. It can change the behavior of other programs or manipulate other programs. The program is not visible. The service has no detailed description. It is not a Windows system file. Therefore the technical security rating is 82% dangerous.

Uninstalling this variant: If there are any problems with scanquery.dll, you can uninstall ScanQuery 1.0 build 131 powered by or ScanQuery software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify scanquery.dll related errors

Important: You should check the scanquery.dll process on your PC to see if it is a threat. If scanquery.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 scanquery issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active scanquery process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the scanquery.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

scanquery.dll [all]