Remove LimeRat remote administration tool

Also Known As: LimeRat remote access tool
Type: Trojan
Distribution: Moderate
Damage level: Severe

LimeRat virus removal guide

What is LimeRat?

LimeRat (or Lime remote administration tool) is an open source malicious program that can operate as ransomware, cryptocurrency miner, information stealer, keystroke logger and computer worm. This is a dangerous malware that can cause data, financial loss, privacy problems and a variety of other serious problems. LimeRat is a harmful malware that, if has infected a computer, should be removed immediately.

LimeRat malware

LimeRat is a simple, easy-to-use tool that can be used by any cyber criminal. It allows to personalize each payload with different attributes. When LimeRat is connected to the victim's computer/infected operating system, it automatically receives information about the operating system and CPU, geolocation (country), user and other information. LimeRat's administrative panel shows all connected/infected systems and allows to choose type of the attack. For example, it can encrypt victim's files through ransomware. It allows to create a unique message (ransom note) and choose an image that will appear after encryption. All encrypted files will be renamed by adding the ".Lime" extension to them. Furthermore, LimeRat can launch a keystroke logger too. Tools of this type record keys that are presses with the keyboard. However, it cannot record any autofilled data or information copied into the clipboard. LimeRat can also spread itself like a computer worm. Worms are programs that replicate themselves so they could spread on other systems. It can make screenshots too, simply said, it can capture victim's computing activities in images. LimeRat is capable of launching cryptocurrency miner that mines Monero, programs of this type use computer hardware such as CPU and GPU to solve complex mathematical problems. Infected computers use more electricity, work slower or do not respond at all. People experience unexpected system shutdowns and get higher electricity bills. More, this remote administration tool can be used to steal various information and cryptocurrency. For example, it can be used to steal credentials of banking, crypto wallet accounts and other sensitive details. To sum up, LimeRat can cause people problems with privacy, steal personal information, lead to financial and data loss, and other problems. If there is a reason to think that a system is infected with this RAT, it should be eliminated as soon as possible.

Threat Summary:
Name LimeRat remote access tool
Threat Type Remote access trojan
Detection Names (YfRrW5qu.exe) Avast (Win32:MalwareX-gen [Trj]), BitDefender (Gen:Variant.Razy.396392), ESET-NOD32 (A Variant Of MSIL/Agent.BPK), Kaspersky (HEUR:Trojan.MSIL.Tasker.gen), Full List (VirusTotal)
Payload Crytocurrency miner, worm, keystroke logger, screen grabber, information stealer, ransomware
Symptoms Trojans are designed to stealthily infiltrate victim's computer and remain silent 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 banking information, passwords, identity theft, victim's computer added to a botnet.
Removal

To eliminate LimeRat remote access tool our malware researchers recommend scanning your computer with Spyhunter.
▼ Download Spyhunter
Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

There are many RATs, some of them are advanced, some are basic. Here are a couple examples of other programs of this type: RMS Rat, Warzone and Bandook. Despite their capabilities, these programs are used to generate revenue. Cyber criminals use them to swindle people out of their money by stealing private details, infecting their computers with ransomware and so on. If used for malicious purposes these tools can cause serious problems.

How did LimeRat infiltrate my computer?

There are different ways to spread malicious programs. The most commonly used techniques are spam campaigns, software 'cracking' tools, trojans, unreliable software download sources and fake software updating tools. Cyber criminals spread malware via spam campaigns by sending emails that contain attached files. They present these emails as official, important with a purpose to trick people into opening included files. They attach executable files, archive files like RAR, ZIP, PDF documents, JavaScript files, Microsoft Office documents, etc. If opened, they infect computers with malicious programs. Software 'cracking' tools are used to avoid paying for software that is not free. However, people who use tools of this type often cause downloads and installations of malicious programs instead. Trojan is a program that is usually designed to spread malware. In other words, to cause chain infections. Nevertheless, it can be done only if a program of this type is already installed. Free file hosting websites, freeware download websites, Peer-to-Peer networks such as torrent clients, eMule and other questionable software download sources can be used to present malicious files as harmless and legitimate. In other words, these tools are often used to trick people into downloading and installing malicious programs by themselves. One more way to infect computers is through fake software updating tools. They infect systems either by downloading malware instead of updating them or exploiting outdated software's bugs, flaws.

How to avoid installation of malware?

Avoid opening email attachments attached to emails that are received from unknown or suspicious addresses. If a received email is irrelevant, do not open the presented link of file. Download software from official, trustworthy websites and use direct download links. Do not use tools that we mentioned above, they can be used to distribute malicious programs. Additionally, do not update installed software via unofficial tools. The only safe way to do it is through tools that are designed by official developers. Same applies to software activation: 'cracking' tools are illegal and are used to spread malware. It is also important to have a anti-virus or and anti-spyware software installed, we recommend to run system scans with it regularly. If you believe that your computer is already infected, we recommend running a scan with Spyhunter for Windows to automatically eliminate infiltrated malware.

Screenshot of LimeRat's administration panel:

limerat control panel

Instant automatic removal of LimeRat remote access tool: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Spyhunter is a professional automatic malware removal tool that is recommended to get rid of LimeRat remote access tool. Download it by clicking the button below:
▼ DOWNLOAD Spyhunter By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

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How to remove malware manually?

Manual malware removal is a complicated task, usually it's better to let antivirus or anti-malware programs do it automatically. To remove this malware we recommend using  Spyhunter 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's an example of a suspicious program running on 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 1 Download 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 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 Autoruns application and locate the malware file that you want to eliminate.

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

locate the malware file you want to remove

After removing the malware through Autoruns application (this ensures that the malware won't 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 file 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 help remove any malware from your computer. Note that manual threat removal requires advanced computer skills, it's recommended to leave malware removal to antivirus and anti-malware programs. These steps might not work with advanced malware infections. As always it's better to avoid getting infected that try to remove malware afterwards. To keep your computer safe be sure to install latest operating system updates and use antivirus software.

To be sure your computer is free of malware infections we recommend scanning it with Spyhunter for Windows.

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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Removal Instructions in other languages
Malware activity

Global virus and spyware activity level today:

Medium threat activity
Medium

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

QR Code
LimeRat remote access tool QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of LimeRat remote access tool on your mobile device.
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Platform: Windows

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