Trojan:JS/BlacoleRef.CZ — BlacoleRef Trojan Removal Guide

Written by Wilbur Woodham
If you spectate the alert of Trojan:JS/BlacoleRef.CZ detection, it looks like that your PC has a problem. All viruses are dangerous, with no exceptions. BlacoleRef is a malware that aims at exposing your PC to further threats. The majority of the modern virus examples are complex, and can download other viruses. Being infected with the Trojan:JS/BlacoleRef.CZ virus often means getting a malicious thing which can act like spyware or stealer, downloader, and a backdoor. Seeing this detection means that you must to perform the removal as fast as you can.
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Any type of malware exists with the only target – generate profits on you1. And the programmers of these things are not thinking of ethicality – they utilize all available ways. Stealing your personal data, receiving the payments for the ads you watch for them, utilizing your system to mine cryptocurrencies – that is not the complete list of what they do. Do you want to be a riding horse? That is a rhetorical question.

What does the pop-up with Trojan:JS/BlacoleRef.CZ detection mean?

The Trojan:JS/BlacoleRef.CZ detection you can see in the lower right corner is shown to you by Microsoft Defender. That anti-malware application is pretty good at scanning, but prone to be basically unreliable. It is vulnerable to malware attacks, it has a glitchy user interface and problematic malware clearing features. Therefore, the pop-up which states about the BlacoleRef is just an alert that Defender has identified it. To remove it, you will likely need to use another anti-malware program.

Trojan:JS/BlacoleRef.CZ found

Microsoft Defender: “Trojan:JS/BlacoleRef.CZ”

The exact Trojan:JS/BlacoleRef.CZ virus is a very nasty thing. It sits inside of your PC under the guise of something legitimate, or as a piece of the application you downloaded from a forum. Therefore, it makes all possible steps to make your system weaker. At the end of this “party”, it injects other malicious things – ones which are choosen by cybercriminals who manage this virus. Hence, it is impossible to predict the effects from BlacoleRef actions. And the unpredictability is one of the baddest things when it comes to malware. That’s why it is better not to choose at all, and don’t let the malware to complete its task.

Threat Summary:

NameBlacoleRef Trojan
DetectionTrojan:JS/BlacoleRef.CZ
DetailsBlacoleRef tool that looks legitimate but can take control of your computer.
Fix ToolSee If Your System Has Been Affected by BlacoleRef Trojan

Is Trojan:JS/BlacoleRef.CZ dangerous?

As I have stated previously, non-harmful malware does not exist. And Trojan:JS/BlacoleRef.CZ is not an exclusion. This malware changes the system setups, modifies the Group Policies and registry. All of these things are crucial for proper system operating, even when we are not talking about system security. Therefore, the malware which BlacoleRef contains, or which it will inject later, will try to get maximum revenue from you. Cyber burglars can grab your personal information, and then push it on the Darknet. Using adware and browser hijacker functionality, built in Trojan:JS/BlacoleRef.CZ virus, they can make revenue by showing you the ads. Each view gives them a penny, but 100 views per day = $1. 1000 victims who watch 100 banners per day – $1000. Easy math, but sad conclusions. It is a bad choice to be a donkey for crooks.

How did I get this virus?

It is hard to line the origins of malware on your PC. Nowadays, things are mixed, and distribution ways chosen by adware 5 years ago can be used by spyware these days. However, if we abstract from the exact distribution method and will think about why it works, the reply will be pretty basic – low level of cybersecurity knowledge. People press on advertisements on strange sites, open the pop-ups they receive in their web browsers, call the “Microsoft tech support” thinking that the weird banner that states about malware is true. It is necessary to know what is legit – to avoid misunderstandings when attempting to identify a virus.

Microsoft tech support scam

Microsoft tech support scam page

Nowadays, there are two of the most common methods of malware distribution – bait emails and also injection into a hacked program. While the first one is not so easy to avoid – you need to know a lot to recognize a fake – the 2nd one is simple to handle: just don’t use hacked apps. Torrent-trackers and various other providers of “totally free” applications (which are, actually, paid, but with a disabled license checking) are really a giveaway point of malware. And Trojan:JS/BlacoleRef.CZ is just among them.

How to remove the Trojan:JS/BlacoleRef.CZ from my PC?

Trojan:JS/BlacoleRef.CZ malware is extremely difficult to eliminate manually. It places its files in multiple locations throughout the disk, and can get back itself from one of the elements. Furthermore, a lot of changes in the windows registry, networking settings and Group Policies are pretty hard to locate and return to the initial. It is far better to use a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus removal reasons.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Moreover, it does not have such problems and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for removing malware of any type.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of BlacoleRef the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
How to Remove Trojan:JS/BlacoleRef.CZ Malware

Name: Trojan:JS/BlacoleRef.CZ

Description: If you have seen a message showing the “Trojan:JS/BlacoleRef.CZ found”, it seems that your system is in trouble. The BlacoleRef virus was detected, but to remove it, you need to use a security tool. Windows Defender, which has shown you this message, has detected the malware. However, Defender is not a reliable thing - it is prone to malfunction when it comes to malware removal. Getting the Trojan:JS/BlacoleRef.CZ malware on your PC is an unpleasant thing, and removing it as soon as possible must be your primary task.

Operating System: Windows

Application Category: Trojan

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References

  1. Read about malware types on GridinSoft Threat encyclopedia.

About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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