Noos Virus Ransomware (.noos File) – How to Remove
THREAT REMOVAL

Noos Virus Ransomware (.noos File) – How to Remove

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What is Noos virus? What are Noos virus files? How to open Noos (.noos) virus files? How to remove Noos (.noos) ransomware?

Noos is the name of a ransomware infection, which aims to encrypt your files and drop a _readme.txt ransom note to convince you to pay a ransom in Bitcoin. The main idea of these viruses is to extort you to pay huge amount of money by locking your documents, videos, images and other types of files. Read this article for more information on .noos virus files and to learn how to remove the ransomware.

Threat Summary

NameNoos virus
TypeRansomware, Cryptovirus
Short DescriptionA variant of STOP Ransomware. Aims to encrypt files and then ad its custom file extension to them,
SymptomsFiles are encrypted and cannot be opened. The Noos virus also drops a ransom note file, containing the extortionist message.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by Noos virus

Download

Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Noos virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Noos Virus – How Did I Get It and What Does It Do?

The infection files of Noos virus could hide in files on many low reputation websites, such as torrent and adult sites. These files can often pretend to be legitimate to trick you into downloading and running them. The most often types of files that are mimicked by viruses can be:

  • Software setups.
  • Online game patches.
  • Cracks.
  • Key generators.

Furthermore, virus files that infect with Noos ransomware can also be sent to victims via e-mail. There, they may be .PDF or .DOCX type of files, that infect computers after being opened. Such infection is done via malicious macros. When sent, the virus documents seem as if they are important invoices or other forms of vital documents.

When your computer gets infected by this version of STOP ransomware, the virus may drop several module virus files in the following system directories of Windows:

  • %AppData%
  • %Local%
  • %LocalLow%%
  • %Temp%
  • %Roaming%

Among the files dropped by Noos is also its ransom note, called _readme.txt. The note contains the extortionists’ message, which asks victims to contact the crooks for negotiating ransom price:

ATTENTION!

Don’t worry, you can return all your files!
All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
https://we.tl/t-514KtsAKtH
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.

To get this software you need write on our e-mail:
mosteros@firemail.cc

Reserve e-mail address to contact us:
gorentos@bitmessage.ch

Our Telegram account:
@datarestore

Your personal ID:

The Noos virus variant of STOP Ransomware may also modify the following registry keys in Windows:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

Tampering with those keys allows Noos virus to run automatically when Windows starts.

Not only this, but also the Noos virus can run Windows Command Prompt as an administrator and execute the following commands:

→ sc stop VVS
sc stop wscsvc
sc stop WinDefend
sc stop wuauserv
sc stop BITS
sc stop ERSvc
sc stop WerSvc
cmd.exe /C bcdedit /set {default} recoveryenabled No
cmd.exe /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\System32\cmd.exe” /C vssadmin.exe Delete Shadows /All /Quiet

These commands may ensure that all of the backups on your infected computer plus shadow copies are deleted permanently from your drive.

This variant of STOP Ransomware aims to encrypt files via the AES encryption algorithm by scanning for and replacing the file structure of most of the following file types below:

→ “PNG .PSD .PSPIMAGE .TGA .THM .TIF .TIFF .YUV .AI .EPS .PS .SVG .INDD .PCT .PDF .XLR .XLS .XLSX .ACCDB .DB .DBF .MDB .PDB .SQL .APK .APP .BAT .CGI .COM .EXE .GADGET .JAR .PIF .WSF .DEM .GAM .NES .ROM .SAV CAD Files .DWG .DXF GIS Files .GPX .KML .KMZ .ASP .ASPX .CER .CFM .CSR .CSS .HTM .HTML .JS .JSP .PHP .RSS .XHTML. DOC .DOCX .LOG .MSG .ODT .PAGES .RTF .TEX .TXT .WPD .WPS .CSV .DAT .GED .KEY .KEYCHAIN .PPS .PPT .PPTX ..INI .PRF Encoded Files .HQX .MIM .UUE .7Z .CBR .DEB .GZ .PKG .RAR .RPM .SITX .TAR.GZ .ZIP .ZIPX .BIN .CUE .DMG .ISO .MDF .TOAST .VCD SDF .TAR .TAX2014 .TAX2015 .VCF .XML Audio Files .AIF .IFF .M3U .M4A .MID .MP3 .MPA .WAV .WMA Video Files .3G2 .3GP .ASF .AVI .FLV .M4V .MOV .MP4 .MPG .RM .SRT .SWF .VOB .WMV 3D .3DM .3DS .MAX .OBJ R.BMP .DDS .GIF .JPG ..CRX .PLUGIN .FNT .FON .OTF .TTF .CAB .CPL .CUR .DESKTHEMEPACK .DLL .DMP .DRV .ICNS .ICO .LNK .SYS .CFG”

When the Noos virus encrypts files, it uses two types of keys – online or offline. If the key used with your infection is offline, then you have a significantly higher chance at getting your files back. The files are also appended the .noos extension and they are stripped out of their icon. They cannot be opened, unless you have the decryption key. This is why, it is strongly recommended to not try to modify the files directly, because you can break them indefinitely. Instead, we recommend that you back them up on another drive or computer and keep reading the removal and recovery steps below.

Remove Noos Virus and Try Restoring Files

To remove the Noos infection from your computer, we recommend that you follow the removal instructions below. They have been created to help you take the necessary steps towards getting rid of this virus for good. However, be advised that for maximum effectiveness, the best method to remove this ransomware is to download and run a scan of your computer, using an advanced malware removal software. Such program is designed specifically to deal with threats like Noos by detecting all of their virus components and eliminating them from your PC, plus protecting it in real-time against such threats.

If you want to try and restore files, encrypted by Noos, then we recommend that you try out the alternative file recovery steps that are included in the guide below. They are made so that you can try and get some of the files back at the very least, while you wait for researchers to release a .noos files decryptor. Usually we will update this article once such a decryptor is out, this is why we recommend that you check it every once in a while.

Noos Ransomware – Video Removal Guide

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Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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