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How to uninstall CinaRAT malware?

Also Known As: CinaRAT Remote Administration Trojan
Type: Trojan
Distribution: Low
Damage level: Severe

CinaRAT virus removal guide

What is CinaRAT?

CinaRAT is the name of a Remote Administration Trojan that is very similar to another RAT called Quasar. Typically, RATs allow the attackers to access and control infected machines remotely. After successful installation, cybercriminals can use CinaRAT to manage files, access Command Prompt, Task Manager, and other Windows features, steal saved passwords from web browsers and FTP software, and log keystrokes. It is known that CinaRAT uses certain techniques to avoid antivirus detection.

CinaRAT malware

The attackers can use CinaRAT to open, download, delete, rename, move files that are stored on the infected machine, steal saved passwords from Google Chrome, Mozilla Firefox and possibly other browsers, and installed FTP programs (like FileZilla). Also, they can use it to record keyboard input/keys pressed with the connected keyboard, open Command Prompt and use it to execute various commands, access Task Manager and run or terminate processes (or perform other actions), and use other Windows features. It means that with the help of CinaRAT cybercriminals could steal personals accounts (for example, email, banking, social media accounts). Depending on the type of stolen accounts, they could be misused to send phishing, malspam emails, make fraudulent purchases, transactions, steal identities, trick other people into making monetary transactions, or for other malicious purposes.

Also, the attackers could use CinaRAT to install some other malware on the machine, for example, ransomware, or other unwanted software like a cryptocurrency miner. Since CinaRAT comes with a keylogging feature, it could be used to steal login credentials (such as usernames, email addresses, passwords), credit card details, and other sensitive details that victims would enter using their keyboard. Therefore, victims of the CinaRAT attack may lose access to a variety of personal accounts, have their computers infected with other malware, suffer monetary loss, lose personal, important files, have their identities stolen, and encounter other serious problems. Therefore, when malware like CinaRAT is installed on the operating system, it has to be eliminated immediately.

Threat Summary:
Name CinaRAT Remote Administration Trojan
Threat Type Remote Administration Trojan, password-stealing virus, keylogger, banking malware, spyware.
Detection Names (VBScript) Avast (SNH:Script [Dropper]), BitDefender (Trojan.Agent.FDDK), Emsisoft (Trojan.Agent.FDDK (B)), Kaspersky (HEUR:Trojan.VBS.SAgent.gen), Microsoft (Trojan:Script/Wacatac.C!ml), Full List (VirusTotal)
Detection Names (.NET DLL) Avast (Win32:Trojan-gen), BitDefender (Trojan.GenericKD.45695179), ESET-NOD32 (MSIL/Agent.AHN), Kaspersky (HEUR:Trojan.MSIL.Agent.gen), Microsoft (Trojan:Win32/Skeeyah), Full List (VirusTotal)
Symptoms Remote Access Trojans are designed to stealthily infiltrate the victim's computer and remain silent, and thus no particular symptoms are clearly visible on an infected machine.
Distribution methods Infected email attachments, malicious online advertisements, social engineering, software 'cracks'.
Damage Stolen passwords and banking information, identity theft, the victim's computer added to a botnet.
Malware Removal (Windows)

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More examples of Remote Administration Trojans (also known as Remote Administration Trojans) are Orcus, ViperSoftX and ElectroRAT. As a rule, RATs are used to steal sensitive information and to distribute (download and install) other malware. In most cases, victims are not aware that their computer is infected with a RAT because malware of this type often runs in the system background silently and is capable of avoiding antivirus detection. RATs are usually downloaded and installed unknowingly, accidentally.

How did CinaRAT infiltrate my computer?

It is known that CinaRAT is distributed through some ISO archive file that contains a malicious Visual Basic script (VBScript) responsible for loading, persistence, and evasion. That VBScript is designed to load a remote .NET DLL executable that injects CinaRAT into a legitimate Windows process (by being injected into system process malware avoids antivirus detection). Research shows that there are at least four different versions of the CinaRAT that can be injected through the .NET DLL (.net loader). It is unknown how cybercriminals distribute that ISO archive file, which contains files necessary for the installation of CinaRAT. However, it is very likely that they do it using a malspam camapaign (emails that contain some malicious attachment or download link for a malicious file), pirated software (or 'crackin' tools), unreliable sources for downloading files, programs (such as Peer-to-Peer networks, third party downloaders, unofficial pages, free file hosting pages, etc.), or fake software updating tools.

How to avoid installation of malware?

Do not open email attachments or website links in received emails that are not relevant, sent from unknown, suspicious addresses, etc. In other words, analyze emails before opening files or clicking links in them. Download files and software only from legitimate, official pages and use direct links. Avoid downloading software via third party downloaders, Peer-to-Peer networks (like torrent clients, eMule), free file hosting pages, from unofficial web pages, etc., or installing it via third-party installers. Update and activate installed software with tools or implemented functions provided by its official developers. Third-party, unofficial tools can be malicious (contain malware/have malicious code injected into them). Also, it is not legal to use 'cracking' tools or pirate software. Run virus scans regularly and make sure to do it using up-to-date and reputable antivirus or anti-spyware software. If you believe that your computer is already infected, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate infiltrated malware.

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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How to remove malware manually?

Manual malware removal is a complicated task - usually it is best to allow antivirus or anti-malware programs to do this automatically. To remove this malware we recommend using Combo Cleaner Antivirus for Windows. If you wish to remove malware manually, the first step is to identify the name of the malware that you are trying to remove. Here is an example of a suspicious program running on a user's computer:

malicious process running on user's computer sample

If you checked the list of programs running on your computer, for example, using task manager, and identified a program that looks suspicious, you should continue with these steps:

manual malware removal step 1Download a program called Autoruns. This program shows auto-start applications, Registry, and file system locations:

screenshot of autoruns application

manual malware removal step 2Restart your computer into Safe Mode:

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

 

manual malware removal step 3Extract the downloaded archive and run the Autoruns.exe file.

extract autoruns.zip and run autoruns.exe

manual malware removal step 4In the Autoruns application, click "Options" at the top and uncheck "Hide Empty Locations" and "Hide Windows Entries" options. After this procedure, click the "Refresh" icon.

Click 'Options' at the top and uncheck 'Hide Empty Locations' and 'Hide Windows Entries' options

manual malware removal step 5Check the list provided by the Autoruns application and locate the malware file that you want to eliminate.

You should write down its full path and name. Note that some malware hides process names under legitimate Windows process names. At this stage, it is very important to avoid removing system files. After you locate the suspicious program you wish to remove, right click your mouse over its name and choose "Delete".

locate the malware file you want to remove

After removing the malware through the Autoruns application (this ensures that the malware will not run automatically on the next system startup), you should search for the malware name on your computer. Be sure to enable hidden files and folders before proceeding. If you find the filename of the malware, be sure to remove it.

searching for malware file on your computer

Reboot your computer in normal mode. Following these steps should remove any malware from your computer. Note that manual threat removal requires advanced computer skills. If you do not have these skills, leave malware removal to antivirus and anti-malware programs. These steps might not work with advanced malware infections. As always it is best to prevent infection than try to remove malware later. To keep your computer safe, install the latest operating system updates and use antivirus software.

To be sure your computer is free of malware infections, we recommend scanning it with Combo Cleaner Antivirus for Windows.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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