Can’t get rid of Win32:BitCoinMiner-CA (trj) by Avast antivirus program in Windows 7? What is this Trojan Horse doing in the computer, why does it so hard to clean out? How do you delete this infection from the computer without coming back?

Trojan Horse Win32:BitCoinMiner-CA Infection Description

The Win32:BitCoinMiner-CA is a Trojan virus that has been infecting a large number of computers recently. The numbers are increasing due to the fact that virus scanning tools and anti-virus removal tools do not easily detect it.  Is this virus the same stubburn as Trojan.Gen.2? Obviously no virus tool can stop 100% of all attacks, and this just happens to be one of those viruses that tend to slip through the cracks and ends up causing serious trouble for several computer users.

Any user that is running a Windows based operating system is prone to getting attacked by the Win32:BitCoinMiner-CA Trojan. It does a lot of serious damage to the system and it does it fast. This makes it extremely important to remove it as soon as it is discovered, but many times it is found too late after the damage has been done. This Trojan is widely spread throughout the Internet on free download sites that the hackers use to lure users into clicking on the downloads that are packed with the Win32:BitCoinMiner-CA virus. They will use a wide variety of media, including music downloads, video downloads, and also free games and programs.  Additionally, they will also send mass emails by the millions containing an attachment that once opened will infect the users computer. This SPAM email tactic is very effective at infecting new or casual users that don’t know the true dangers of opening attachments from unknown senders.

Note: Don’t want to lose important data on the infected computer? Contact YooSecurity Online PC Experts to get help on saving your computer from this Trojan Horse Win32:BitCoinMiner-CA virus as soon as possible.

A Step-by-step Trojan Removal Guide

If detected early, the user can follow the detailed instructions below and remove the virus files before too much damage is done. Following these steps will remove all of the files linked to the Win32:BitCoinMiner-CA Trojan that have buried themselves deep into the system files.

Step 1: Open Windows Task Manager to end processed related to Trojan virus. To do that, press Ctrl+Alt+Del keys at the same time or right click on bottom Task Bar and select Start Task Manager.
Windows Task Manager

Step 2: Open Control Panel from Start menu. Go to Folder Options and under View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended) then click OK.
Folder Options

Step 3: Go to Registry Editor. First press Windows+R keys and then type regedit in Run box to search. Delete registry entries associated with this Trojan Horse Win32:BitCoinMine.CA infection:
Run+Registry Editor

%AllUsersProfile%\Application Data\[tmp]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\{rnd}=

Video on How to Modify or Change Windows Registry


Once this virus lands in the users computer it immediately hides deep within the system files making it difficult to locate. It doesn’t waste any time at all attacking the system and most users will experience performance issues right away. The Windows task manager will not open and it will not operate properly. This is one of the first areas that the Win32:BitCoinMiner-CA virus attacks once it is installed in the system. The task manager and registry are targeted immediately. This attack doesn’t waste any time, as it is designed to quickly destroy the entire system. A complete removal is needed to prevent all these consequences from happening on the computer.

Note: Trojan Horse Win32:BitCoinMiner-CA virus is still there inside of the computer? Contact Online PC Experts now if you have failed to remove this nasty Trojan virus off your computer.

Published by Tony Shepherd & last updated on May 17, 2013 9:21 am

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