Remove Loioir DDoS Malware Completely from Your PC

Loioir is a type of malware that has been reported to cause severe Denial-of-service attacks. The malware drops its payload modules in Windows folders and modifies Windows Registries so that the malware runs every time Windows is booted up. It may use a computer as a part of an organized DDoS attack. Such types of attacks are very common against organizations and users’ PCs are the perfect cover. All users who witness slow internet connection and suspicious behavior as well as high network utilization on their system should immediately scan it for the Loioir DDoS malware.

NameDDoS:Loioir
TypeDDoS malware
Short DescriptionThe malware may conduct DDoS attacks from a compromised computer
SymptomsThe user may witness PC slowdowns as well as unusually high network utilization in Windows Task Manager.
Distribution MethodVia malicious URLs or files..
Detection ToolDownload Malware Removal Tool, to See If Your System Has Been Affected by DDoS:Loioir
User Experience Join our forum to discuss DDoS:Loioir.

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Loioir DDoS Malware – How Did I Get Infected

This cyber threat may spread via malicious files sent directly onto the user’s PC from other users via attachments on email messages or indirectly via malicious links spammed online. It may also spread via other malware such as Trojan.Downloaders. They may send system information to remote hosts, such as the OS version, type of anti-malware protection, etc. to assist Loioir to drop its payload while being undetected.

Loioir DDoS Malware – How Does It Work

Once it has been activated onto the victim’s computer, the virus begins to drop its malicious modules onto critical system folders, such as %AppData% and %Temp%. The files being dropped may be named the following:

  • cache.exe
  • genx5.exe
  • {random letters}.exe

It may modify Windows Registry Editor to make it run on system start up. Here are some examples of keys the ransomware may create with custom values and data:

In the key HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run the value “cache” with data “%APPDATA%\lolclient\local store\cache.exe”

After it has set up, it may use malicious scripts that may obfuscate its files. It can also use it to modify the settings of legitimate Windows Processes, such as svchost.exe, System Idle and others.

The purpose of the malware is to use the victim’s computer in Denial-of-service attacks. Such attacks send an immense number of empty packets with a purpose to override and crash another computer system by stopping its services. Such attacks have brought big networks to their knees. Examples for this are the DDoS attacks on Gaming Sites and on the Internet’s Root Servers. This may be particularly dangerous for the user since DDoS attacks may seem as they have originated from his/her PC and there have been cases where users have had some run-ins with the law as a consequence of that.

What the malware actually does is connect to a remote host via port number 80. On of the hosts, reported by Microsoft researchers is ip-api(.)com. This may be done with the following purposes:

  • Download other files or updates of the current malware.
  • Receive system information.
  • Receive location, language and other information.
  • Act based on instructions and commands by a hacker controlling it.
  • Upload information from your computer.
  • Tamper with certificates.

In addition, the ransomware may create more than one mutexes on the user’s PC. This may be used as a form of unique identifier with a purpose to prevent more than a single copy of this cyber-threat that is running on your computer.

Remove Loioir DDoS Malware from Your Computer

In order to fully be rid of these malicious files from your machine, it is strongly advisable that you follow a specific methodology to isolate it before actually deleting the files. This is because the malware may be actively connected to another host and prevent you from deleting its files. Also, it is strongly recommended to use an advanced anti-malware software that will locate any associated objects with Loioir and other files it may have downloaded onto your machine.

1. Boot Your PC In Safe Mode to isolate and remove DDoS:Loioir
2. Remove DDoS:Loioir with SpyHunter Anti-Malware Tool
3. Back up your data to secure it against infections by DDoS:Loioir in the future
Optional: Using Alternative Anti-Malware Tools
NOTE! Substantial notification about the DDoS:Loioir threat: Manual removal of DDoS:Loioir requires interference with system files and registries. Thus, it can cause damage to your PC. Even if your computer skills are not at a professional level, don’t worry. You can do the removal yourself just in 5 minutes, using a malware removal tool.

Vencislav Krustev

A network administrator and malware researcher at SensorsTechForum with passion for discovery of new shifts and innovations in cyber security. Strong believer in basic education of every user towards online safety.

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