[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/tobonet.cz\/zcela-novy-typ-virove-infekce\/#Article","mainEntityOfPage":"https:\/\/tobonet.cz\/zcela-novy-typ-virove-infekce\/","headline":"Zcela nov\u00fd typ virov\u00e9 infekce","name":"Zcela nov\u00fd typ virov\u00e9 infekce","description":"V\u00edte, co to je BIOS? Odborn\u00edci IT a lid\u00e9, kte\u0159\u00ed do v\u00fdpo\u010detn\u00ed techniky alespo\u0148 trochu \u201evid\u00ed\u201c, dob\u0159e v\u00ed, o \u010dem je \u0159e\u010d. Je to jak\u00e9si…","datePublished":"2025-03-07","dateModified":"2025-03-07","author":{"@type":"Person","@id":"https:\/\/tobonet.cz\/author\/#Person","name":"","url":"https:\/\/tobonet.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2d2e3fdaba6370eba756fb4048c695326686ff29010a0df4d58b27c20544521d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2d2e3fdaba6370eba756fb4048c695326686ff29010a0df4d58b27c20544521d?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tobonet.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/tobonet.cz\/wp-content\/uploads\/img_a327113_w2259_t1539419574.jpg","url":"https:\/\/tobonet.cz\/wp-content\/uploads\/img_a327113_w2259_t1539419574.jpg","height":0,"width":0},"url":"https:\/\/tobonet.cz\/zcela-novy-typ-virove-infekce\/","wordCount":392,"articleBody":"V\u00edte, co to je BIOS? Odborn\u00edci IT a lid\u00e9, kte\u0159\u00ed do v\u00fdpo\u010detn\u00ed techniky alespo\u0148 trochu \u201evid\u00ed\u201c, dob\u0159e v\u00ed, o \u010dem je \u0159e\u010d. Je to jak\u00e9si z\u00e1kladn\u00ed rozhran\u00ed, programov\u00e9 vybaven\u00ed po\u010d\u00edta\u010de, kter\u00e9 obsahuje z\u00e1kladn\u00ed \u00fadaje pro jeho spu\u0161t\u011bn\u00ed.  Krom\u011b data a \u010dasu jsou tu k dispozici informace, odkud po\u010d\u00edta\u010d na\u010dte opera\u010dn\u00ed syst\u00e9m, jak\u00e9 jsou diskov\u00e9 jednotky, perifern\u00ed za\u0159\u00edzen\u00ed atd. Modern\u00ed v\u00fdpo\u010detn\u00ed technika v\u0161ak p\u0159ech\u00e1z\u00ed z BIOSu na tzv. UEFI. To je v podstat\u011b n\u011bco podobn\u00e9ho, jen s podporou n\u011bkter\u00fdch funkc\u00ed, kter\u00e9 BIOS neum\u00ed, nap\u0159. startov\u00e1n\u00ed opera\u010dn\u00edho syst\u00e9mu z velk\u00fdch disk\u016f, v\u00edce pam\u011bti pro rychlej\u0161\u00ed spu\u0161t\u011bn\u00ed po\u010d\u00edta\u010de atd.  Pro\u010d se zmi\u0148ujeme o UEFI? Na tento syst\u00e9m se toti\u017e zam\u011b\u0159il nov\u011b objeven\u00fd virus pojmenovan\u00fd jako LoJax. V tom ale spo\u010d\u00edv\u00e1 pr\u00e1v\u011b ten vtip, toto rozhran\u00ed nen\u00ed o\u0161et\u0159eno b\u011b\u017en\u00fdmi antivirov\u00fdmi programy a virus se spust\u00ed u\u017e v okam\u017eiku, kdy zapnete po\u010d\u00edta\u010d stiskem tla\u010d\u00edtka. Tento virus je v\u016fbec prvn\u00edm sv\u00e9ho druhu a z toho d\u016fvodu tak\u00e9 v\u011bt\u0161ina antivirov\u00fdch program\u016f nen\u00ed schopna proti t\u011bmto \u00fatok\u016fm nic podniknout. Pouze n\u011bkter\u00e9 bezpe\u010dnostn\u00ed programy dok\u00e1\u017eou o\u0161et\u0159it rozhran\u00ed z\u00e1kladn\u00ed desky, jde nap\u0159. o zn\u00e1m\u00e9 produkty od firmy Eset. Ostatn\u011b, ta tak\u00e9 tento \u0161kodliv\u00fd k\u00f3d zachytila.   Co d\u011blat, kdy\u017e dojde k zasa\u017een\u00ed UEFI va\u0161eho po\u010d\u00edta\u010de Pochopiteln\u011b nejlep\u0161\u00ed je prevence, tedy informovat se o tom, kter\u00e9 antivirov\u00e9 programy zvl\u00e1dnou o\u0161et\u0159it rozhran\u00ed UEFI (pokud jej m\u00e1te a nem\u00e1te BIOS), a pat\u0159i\u010dn\u00fd software si nainstalovat. Pokud p\u0159ece jen budete t\u00edm ne\u0161\u0165astn\u00edkem, a v\u00e1\u0161 po\u010d\u00edta\u010d bude ji\u017e zotro\u010den\u00fd, nepom\u016f\u017ee ani reinstalace opera\u010dn\u00edho syst\u00e9mu, ale jedin\u00fdm \u0159e\u0161en\u00edm je tzv. flash firmware pro va\u0161i z\u00e1kladn\u00ed desku, a pokud to nep\u016fjde, je nutn\u00e1 v\u00fdm\u011bna cel\u00e9 z\u00e1kladn\u00ed desky. Prozat\u00edm byl tento virus vyv\u00edjen pravd\u011bpodobn\u011b kv\u016fli napad\u00e1n\u00ed po\u010d\u00edta\u010d\u016f n\u011bkter\u00fdch vl\u00e1dn\u00edch instituc\u00ed, ale to neznamen\u00e1, \u017ee v ohro\u017een\u00ed nejsou ani b\u011b\u017en\u00ed u\u017eivatel\u00e9.                                                                                                                                                                                                                                                                                                                                                                                                 "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Zcela nov\u00fd typ virov\u00e9 infekce","item":"https:\/\/tobonet.cz\/zcela-novy-typ-virove-infekce\/#breadcrumbitem"}]}]