NRSMiner Malware– How to Remove Active Infections
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NRSMiner Malware - Come rimuovere infezioni attive

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Martin Beltov

Martin si è laureato con una laurea in Pubblicazione da Università di Sofia. Come un appassionato di sicurezza informatica si diletta a scrivere sulle ultime minacce e meccanismi di intrusione.

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Questo post del blog è stato creato per aiutare a spiegare qual è la NRSMiner miner app and how you can try and remove it and prevent it from mining Monero cryptocurrencies on your computer.

Un nuovo, very dangerous cryptocurrency miner virus has been detected by security researchers. il malware, detto NRSMiner can infect target victims using a variety of ways. L'idea principale dietro il NRSMiner miner is to employ cryptocurrency miner activities on the computers of victims in order to obtain Monero tokens at victims’ expense. Il risultato di questo minatore è le bollette di energia elettrica elevati e se si lascia per lunghi periodi di tempo NRSMiner può anche danneggiare i componenti del computer.

Sommario minaccia

NomeNRSMiner
TipoCriptovaluta Miner Virus
breve descrizioneUn minatore crypto che si propone di utilizzare le risorse del computer per miniera per cryptocurrencies.
SintomiIl computer potrebbe verificarsi rallentamenti, surriscaldamento, processi sospetti in esecuzione e altri tipi di effetti collaterali indesiderati..
Metodo di distribuzioneVulnerabilità del software, Scarica bundle. Fake download portals
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NRSMiner — Distribution Methods

The NRSMiner malware uses two popular methods which are used to infect computer targets:

  • Payload Delivery via Prior Infections — If an older NRSMiner malware is deployed on the victim systems it can automatically update itself or download a newer version. This is possible via the built-in aggiornare command which obtains the release. This is done by connecting to a certain predefined hacker-controlled server which provides the malware code. The downloaded virus will acquire the name of a Windows service and be placed in the %systemroot%\temp posizione. Important properties and operating system configuration files are changed in order to allow a persistent and silent infection.
  • Software Vulnerability Exploits — The latest version of the NRSMiner malware have been found to be caused by the EternalBlue exploits, popularly known for being used in the WannaCry ransomware attacks. The infections are done by targeting open services via the TCP port 445. The attacks are automated by a hacker-controlled framework which looks up if the port is open. If this condition is met it will scan the service and retrieve information about it, including any version and configuration data. Exploits and popular username and password combinations may be done. When the EternalBlue exploit is triggered against the vulnerable code the miner will be deployed along with the DoublePulsar backdoor. This will present the a double infection.

Apart from these methods other strategies can be used as well. Miners can be distributed by e-mail di phishing that are sent in bulk in a SPAM-like manner and depend on social engineering tricks in order to confuse the victims into believing that they have received a message from a legitimate service or company. The virus files can be either directly attached or inserted in the body contents in multimedia content or text links.

I criminali possono anche creare malicious landing pages that can impersonate vendor download pages, software download portals and other frequently accessed places. When they use similar sounding domain names to legitimate addresses and security certificates the users may be coerced into interacting with them. In some cases merely opening them can trigger the miner infection.

Another approach would be to use vettori payload that can be spread using the above-mentioned methods or via reti di file sharing, BitTorrent is one of the most popular ones. It is frequently used to distribute both legitimate software and files and pirate content. Two of the most popular payload carriers are the following:

  • I documenti infetti — The hackers can embed scripts that will install the NRSMiner malware code as soon as they are launched. All of the popular document are potential carriers: presentazioni, documenti di testo ricco, presentazioni e database. When they are opened by the victims a prompt will appear asking the users to enable the built-in macros in order to correctly view the document. If this is done the miner will be deployed.
  • installazione di applicazioni — The criminals can insert the miner installation scripts into application installers across all popular software downloaded by end users: utilità di sistema, applicazioni per la produttività, office programs, creativity suites and even games. This is done modifying the legitimate installers — they are usually downloaded from the official sources and modified to include the necessary commands.

Other methods that can be considered by the criminals include the use of browser hijacker — dangerous plugins which are made compatible with the most popular web browsers. They are uploaded to the relevant repositories with fake user reviews and developer credentials. In many cases the descriptions may include screenshots, videos and elaborate descriptions promising great feature enhancements and performance optimizations. However upon installation the behavior of the affected browsers will change — users will find that they will be redirected to a hacker-controlled lanidng page and their settings might be altered — the default home page, motore di ricerca e nuova pagina schede.

NRSMiner — Analysis

The NRSMiner malware is a classic case of a cryptocurrency miner which depending on its configuration can cause a wide variety of dangerous actions. Its main goal is to perform complex mathematical tasks that will take advantage of the available system resources: processore, GPU, memoria e spazio su disco rigido. The way they function is by connecting to a special server called piscina mineraria from where the required code is downloaded. As soon as one of the tasks is downloaded it will be started at once, multiple instances can be run at once. When a given task is completed another one will be downloaded in its place and the loop will continue until the computer is powered off, the infection is removed or another similar event happens. Cryptocurrency will be rewarded to the criminal controllers (hacking group or a single hacker) directly to their wallets.

A dangerous characteristic of this category of malware is that samples like this one can take all system resources and practically make the victim computer unusable until the threat has been completely removed. Most of them feature a installazione persistente which makes them really difficult to remove. These commands will make changes to boot options, configuration files and Windows Registry values that will make the NRSMiner malware start automatically once the computer is powered on. Access to recovery menus and options may be blocked which renders many manual removal guides practically useless.

This particular infection will setup a Windows service for itself, following the conducted security analysis ther following actions have been observed:

  • La raccolta dati — The miner will generate a profile of the installed hardware components and specific operating system information. This can include anythnig from specific environment values to installed third-party applications and user settings. The complete report will be made in real-time and may be run continuously or at certain time intervals.
  • Network Communications — As soon as the infection is made a network port for relaying the harvested data will be opened. It will allow the criminal controllers to login to the service and retrieve all hijacked information. This component can be updated in future releases to a full-fledged Trojan instance: it would allow the criminals to take over control of the machines, spy on the users in real-time and steal their files. Furthermore Trojan infections are one of the most popular ways to deploy other malware threats.
  • Aggiornamenti automatici — By having an update check module the NRSMiner malware can constantly monitor if a new version of the threat is released and automatically apply it. This includes all required procedures: scaricamento, installazione, cleanup of old files and reconfiguration of the system.
  • Applications and Services Modification — During the miner operations the associated malware can hook up to already running Windows services and thrid-party installed applications. By doing so the system administrators may not notice that the resource load comes from a separate process.

These kind of malware infections are particularly effective at carrying out advanced commands if configured so. They are based on a modular framework allowing the criminal controllers to orchestrate all kinds of dangerous behavior. One of the popular examples is the modification of the Registro di Windows — modifications strings related by the operating system can cause serious performance disruptions and the inability to access Windows services. Depending on the scope of changes it can also make the computer completely unusable. On the other hand manipulation of Registry values belonging to any third-party installed applications can sabotage them. Some applications may fail to launch altogether while others can unexpectedly stop working.

This particular miner in its current version is focused on mining the criptovaluta valuta containing a modified version of XMRig CPU mining engine. If the campaigns prove succesful then future versions of the NRSMiner can be launched in the future. As the malware uses software vulnerabilities to infect target hosts, it can be part of a dangerous co-infection with ransomware and Trojans.

Rimozione di NRSMiner is strongly recommended, poiché si rischia non solo una bolletta grande energia elettrica se è in esecuzione sul vostro PC, ma il minatore può anche svolgere altre attività indesiderate su di esso e persino danneggiare la vostra PC in modo permanente.

Remove NRSMiner Miner from Your PC

If you want to remove this miner from your PC, sappiate che può eliminare i file. Questo è il motivo, vi consigliamo di backup di tutti i file importanti, se sul PC prima di rimuovere questo virus.

Rimuovere NRSMiner minatore automaticamente dal tuo PC, vi consigliamo di seguire il manuale di rimozione qui sotto. È separato In rimozione manuale e automatico, dal momento che questo possa contribuire efficacemente a eliminare i file dei virus in modo permanente. Se la rimozione manuale non aiuta, tuttavia, si consiglia di che cosa consigliano maggior parte dei ricercatori e che è quello di scaricare un software avanzato anti-malware per eseguire una scansione con su PC infetto. Tale programma si prenderà automaticamente la cura del NRSMiner miner virus dal computer e farà in modo che sia completamente rimosso più il vostro PC rimane protetto anche in futuro.

Nota! Il sistema del computer può essere influenzata da NRSMiner e altre minacce.
Analizza il tuo PC con SpyHunter
SpyHunter è uno strumento di rimozione malware potente progettato per aiutare gli utenti con l'analisi la sicurezza del sistema in profondità, il rilevamento e la rimozione di minacce quali NRSMiner.
Tenete a mente, che lo scanner di SpyHunter è solo per il rilevamento di malware. Se SpyHunter rileva il malware sul PC, è necessario acquistare lo strumento di rimozione malware di SpyHunter per rimuovere le minacce malware. Leggere la nostra SpyHunter 5 recensione. Clicca sui link corrispondenti per controllare SpyHunter di EULA, politica sulla riservatezza e Criteri di valutazione della minaccia.

To remove NRSMiner Segui questi passi:

1. Boot Your PC In Safe Mode to isolate and remove NRSMiner files and objects
2. Find files created by NRSMiner on your PC

IMPORTANTE!
Prima di iniziare la rimozione automatica sotto, Per favore l'avvio in modalità normale, nel caso in cui siete attualmente in modalità provvisoria.
Questo vi permetterà di installare e uso SpyHunter 5 con successo.

Utilizzare SpyHunter per la ricerca di malware e programmi indesiderati

3. Scansione per malware e programmi indesiderati con lo strumento SpyHunter Anti-Malware

Martin Beltov

Martin si è laureato con una laurea in Pubblicazione da Università di Sofia. Come un appassionato di sicurezza informatica si diletta a scrivere sulle ultime minacce e meccanismi di intrusione.

Altri messaggi - Sito web

Seguimi:
CinguettioGoogle Plus

Martin Beltov

Martin si è laureato con una laurea in Pubblicazione da Università di Sofia. Come un appassionato di sicurezza informatica si diletta a scrivere sulle ultime minacce e meccanismi di intrusione.

Altri messaggi - Sito web

Seguimi:
CinguettioGoogle Plus

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