{"id":8807,"date":"2026-05-29T16:03:53","date_gmt":"2026-05-29T14:03:53","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=8807"},"modified":"2026-06-15T01:11:26","modified_gmt":"2026-06-14T23:11:26","slug":"cum-functioneaza-virusii-de-retea","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/","title":{"rendered":"Cum func\u021bioneaz\u0103 viru\u0219ii de re\u021bea"},"content":{"rendered":"<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\">A network virus is a type of malicious software (malware) that spreads between computers and devices through network connections. Its purpose may be to steal data, damage systems, encrypt files, or allow attackers to gain unauthorized access to infected devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike traditional viruses that often require manual file sharing, network-based malware can spread automatically across local networks or the internet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#How_Does_a_Network_Virus_Spread\" >How Does a Network Virus Spread?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Common_Types_of_Network_Malware\" >Common Types of Network Malware<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Trojan_Horses\" >Trojan Horses<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Network_Worms\" >Network Worms<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Ransomware\" >Ransomware<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Spyware\" >Spyware<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#How_to_Protect_Yourself\" >How to Protect Yourself<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Keep_Software_Updated\" >Keep Software Updated<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Use_Antivirus_Software\" >Use Antivirus Software<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Use_Strong_Passwords\" >Use Strong Passwords<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Be_Careful_with_Emails\" >Be Careful with Emails<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Enable_a_Firewall\" >Enable a Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Create_Regular_Backups\" >Create Regular Backups<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#What_Should_You_Do_If_You_Suspect_an_Infection\" >What Should You Do If You Suspect an Infection?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mybox.com\/help\/ro\/knowledgebase\/how-network-viruses-work\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_a_Network_Virus_Spread\"><\/span>How Does a Network Virus Spread?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<\/div>\n\n<div id=\"mybox-932374947\" class=\"mybox-content mybox-entity-placement\"><div class=\"early-access-banner-inpost\">\r\n  <div class=\"banner-left-inpost\">\r\n    <div class=\"icon-box-inpost\">\r\n      <img decoding=\"async\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2026\/02\/square-info-icon.svg\" alt=\"Info\">\r\n    <\/div>\r\n    <div class=\"text-box-inpost\">\r\n      <span class=\"label-inpost\"><span class=\"translation-block translation-block-banner-text\">Acces timpuriu<\/span><\/span>\r\n      <h4><span class=\"translation-block translation-block-banner-text\">Mai ave\u021bi nevoie de ajutor?<\/span><\/h4>\r\n      <p><span class=\"translation-block translation-block-banner-text\">Contacta\u021bi echipa noastr\u0103 de servicii pentru clien\u021bi.<\/span><\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"banner-right-inpost\">\r\n    <a href=\"https:\/\/panel.mybox.com\/helpdesk2\/v\/list\/\" class=\"banner-button-inpost\"><span class=\"translation-block translation-block-banner-text\">Trimite mesaj<\/span><\/a>\r\n  <\/div>\r\n<\/div><\/div>\n\n<div class=\"translation-block translation-block-merged\"><p class=\"wp-block-paragraph\">Network viruses typically exploit one or more of the following methods:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Security vulnerabilities in operating systems or applications<\/li>\n\n\n\n<li>Infected email attachments<\/li>\n\n\n\n<li>Malicious downloads<\/li>\n\n\n\n<li>Compromised websites<\/li>\n\n\n\n<li>Shared network resources<\/li>\n\n\n\n<li>Weak or stolen passwords<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Once a device becomes infected, the malware may attempt to spread to other devices connected to the same network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Types_of_Network_Malware\"><\/span>Common Types of Network Malware<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trojan_Horses\"><\/span>Trojan Horses<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A Trojan disguises itself as legitimate software or a harmless file. Once installed, it can give attackers remote access to the system, steal data, or install additional malware.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Network_Worms\"><\/span>Network Worms<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Worms are designed to spread automatically between devices without requiring user interaction. They often exploit software vulnerabilities to infect multiple systems in a short period of time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ransomware\"><\/span>Ransomware<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ransomware encrypts files or blocks access to a system and demands payment for their recovery. Some ransomware variants can spread across entire networks, affecting multiple devices simultaneously.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spyware\"><\/span>Spyware<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spyware secretly collects information such as browsing activity, passwords, or personal data and sends it to attackers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Protect_Yourself\"><\/span>How to Protect Yourself<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Keep_Software_Updated\"><\/span>Keep Software Updated<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Install operating system and application updates regularly. Many malware infections exploit known vulnerabilities that have already been patched.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_Antivirus_Software\"><\/span>Use Antivirus Software<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A reputable antivirus solution can detect and block many common threats before they infect your device.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_Strong_Passwords\"><\/span>Use Strong Passwords<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Unique and complex passwords make it more difficult for attackers to gain unauthorized access to systems and network resources.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Be_Careful_with_Emails\"><\/span>Be Careful with Emails<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Do not open unexpected attachments or click links from unknown senders. Email remains one of the most common malware delivery methods.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Enable_a_Firewall\"><\/span>Enable a Firewall<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A firewall helps monitor and filter incoming and outgoing network traffic, providing an additional layer of protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Create_Regular_Backups\"><\/span>Create Regular Backups<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Backups can help you recover important data if your system becomes infected with ransomware or other destructive malware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_You_Do_If_You_Suspect_an_Infection\"><\/span>What Should You Do If You Suspect an Infection?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you believe a device has been infected:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Disconnect it from the network.<\/li>\n\n\n\n<li>Run a full antivirus scan.<\/li>\n\n\n\n<li>Install all available security updates.<\/li>\n\n\n\n<li>Change passwords for important accounts.<\/li>\n\n\n\n<li>Restore data from backups if necessary.<\/li>\n\n\n\n<li>Consult an IT professional if the infection cannot be removed.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network-based malware can spread quickly and cause significant damage to both individuals and businesses. Maintaining updated software, using security tools, and following safe browsing habits are the most effective ways to reduce the risk of infection and protect your data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[10,42],"manual_kb_tag":[6619,6620,738,986,990,6591,6594,6616,6617,6618],"class_list":["post-8807","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-safety","manualknowledgebasecat-miscellaneous","manual_kb_tag-network-worm","manual_kb_tag-trojan-horse","manual_kb_tag-cybersecurity","manual_kb_tag-ransomware","manual_kb_tag-network-security","manual_kb_tag-computer-virus","manual_kb_tag-spyware","manual_kb_tag-network-virus","manual_kb_tag-network-malware","manual_kb_tag-malicious-software"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8807\/revisions"}],"predecessor-version":[{"id":8808,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb\/8807\/revisions\/8808"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/media?parent=8807"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manualknowledgebasecat?post=8807"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/ro\/wp-json\/wp\/v2\/manual_kb_tag?post=8807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}