Wednesday, June 29, 2011

Removal QuestScan browser virus

QuestScan ( has not been observed   distributed as a worm or a trojan. However, users do not download and install it consciously. The file related to the program merely slips their attention as it is a part of some extended download. That is, experts recommend reading carefully what you are downloading, though that would take some time. is annoying website related to the above adware. It becomes a default web-browser and even blocks renowned search engines. In some instances the adware even blocks browser completely so that any website is available only through the above page. The website distorts search results and obviously promotes certain products. To get rid of and use search engine of your preference, click here to start free scan and remove QuestScan adware.

QuestScan hijacker snapshot:

Manual removal guide
Delete infected files:
C:\Program Files\QuestScan\QuestScan_deleted_
C:\Program Files\QuestScan\questscan.dll
C:\Program Files\QuestScan\questscan.exe
C:\Program Files\QuestScan\uninstall.exe
C:\Documents and Settings\All Users\Application Data\QuestScan\questscan143.exe
Delete infected registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Management\ARPCache\QuestScan
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\QuestScan Service

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