What is close.js? Should I remove it?

by Lucia Danes - -

How dangerous close.js file is?

Close.js is a dangerous JavaScript file which is closely related to Spora ransomware virus. This file is responsible for executing and launching ransomware on the target PC system, so it can be considered an important component of the whole operation process. Typically, victims are tricked into installing this file onto their computer systems when they are convinced to download the malicious attachment of the email message to their computers. The misleading email message claims to be related to some serious organization, such as governmental authority, a law firm, etc. However, once the fake attachment is let inside, the close.js file is dropped onto the system. Once executed, the file launches the malware and starts data encryption process. Sometimes people are forced to look at the error message claiming that Word file is corrupted while the ransomware virus encrypts targeted files.

As you can understand, close.js is a dangerous file that can cause lots of damage by encrypting your important documents, pictures, audio or video files, databases, etc. There’s no need to let this file stay on the computer and make the system vulnerable. After noticing the fact that Spora is already inside your computer, you should scan computer with reputable antivirus or malware removal program. We highly recommend you to remove close.js file and Spora ransomware with Reimage. However, you might need to reboot your computer to Safe Mode before installing or running anti-malware program because such viruses tend to block legitimate security software. If you need more help with the virus and close.js removal, please follow our prepared step-by-step guide here.

How can this file appear on my computer?

The close.js file shows up on the computer when it gets infected with Spora ransomware. The virus mostly spreads via malicious email attachments claiming to be invoices, and other business-related word or PDF files. However, no matter that the file looks like an ordinary file which is safe-to-use, it, in reality, has two different extensions that notifies about hidden capabilities of this file. When a person clicks on this file, he or she executes the malicious close.js file in the the %TEMP% directory. As a result, Spora virus starts data encryption process which remains undetected until you try to open one of the affected files. If you want to avoid ransomware attack, you should be careful with emails and do not rush opening attached documents. Make sure that you can trust the sender first!

How to remove close.js from the computer?

We want to point out that close.js removal won’t solve the main problem. This file is one of the main signs showing that your computer is infected with ransomware. Deleting this file won’t stop the encryption of your files and other malicious activities initiated by Spora. Keep in mind that we don't recommend deleting such dangerous cyber threats your own because they are set to use various techniques to prevent their removal. You should rather scan your computer with professional malware removal tools, such as Reimage or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus to remove Spora and its files. Your preferred security tool will also remove close.js file from the device. 

verdict - status of the file:
dangerous file
Advice: If your computer seems sluggish, or you are suffering from unwanted advertisements and redirects to unknown websites, we highly recommend you to scan it with reputable anti-spyware program. Do some FREE scan tests and check the system for unwanted applications that might be responsible for these problems.
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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is a recommended tool to scan your system for possible threats and crappy software. The trial version of the product will find harmful applications in your system.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

About the author

Lucia Danes
Lucia Danes - Virus researcher

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