What is QuestScan? QuestScan Description

QuestScan is determined by Tee Support Labs as a malicious Adware which will completely annoy you with its frequent advertisements from affiliated websites. QuestScan may be installed from insecure downloads or various shareware programs distributed by Trojans, fake online anti-malware scanners, malicious websites, etc. It aims to collect information about users and send them to host computers without any knowledge or consent. Moreover, it also has the ability to modify your browser code and make victims redirected when they are browsing. Once QuestScan gets on board, you will have a sea of unwanted pop up ads that are impossible to stop. It can’t be detected and removed from your PC because you won’t find it in the Add/Remove Programs. Instead, use the manual removal instructions below to remove QuestScan completely and permanently.

Screenshot of QuestScan:

QuestScan Identified as Security Threat by Impressions

  1. QuestScan reputation/ rating online is terrible.
  2. The official website of QuestScan is poorly built without contact info.
  3. The payment website of QuestScan is suspicious & claims your OS is unsafe.
  4. Poor Performance like highly-consumed system resources is caused by QuestScan.

How to Remove QuestScan Step by Step in an Efficient Way?

Step one: Launch the Task Manager by pressing keys “CTRL + Shift + ESC”, search for QuestScan processes and right-click to end them.


How to stop QuestScan related processes

Step two: Click on the “Start” menu and then click on the “Search programs and files” box, Search for and delete these files created by QuestScan:

C:Program FilesQuestScanQuestScan_deleted_
C:Program FilesQuestScanquestscan.exe
C:Program FilesQuestScanuninstall.exe
C:Documents and SettingsAll UsersApplication DataQuestScanquestscan143.exe

Step three: Open Registry Editor by navigating to “Start” Menu, type “Regedit” into the box and click “OK” to proceed. When Registry Editor is open, search and get rid of the following registry entries: 

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionApp ManagementARPCacheQuestScan
HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesQuestScan Service

Read more how to delete QuestScan registry entries

Automatic Removal Tool (Recommended)

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware, etc. It is important to notice that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step 1. Download SpyHunter by clicking on the icon below.

Step 2. Follow the details to complete the installation process. (Double click on the download file and follow the prompts to install the program.)

spyhunter run

spyhunter setup

spyhunter setup

Step 3. After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your computer.

Step 4. Tick “Select all” and press “Remove” button to get rid of all the detected threats on your computer.

Please be careful that manual removal of QuestScan virus is kind of complicated, which requires sufficient expertise in handling files and registries. No slight mistake would be allowed to make, otherwise it will lead to system crash or data loss which you can never buy even spending money. For the prevention of messing up the whole system, it’s suggested to scan your system with the genuine and useful removal tool SpyHunter to get your problem fixed safely and completely.

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Final Recommendation:

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