[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.flamendr.cz\/druhy-pocitacovych-viru\/#Article","mainEntityOfPage":"https:\/\/www.flamendr.cz\/druhy-pocitacovych-viru\/","headline":"Druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f","name":"Druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f","description":"1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Trojsk\u00e9 kon\u011b-Jeden z\u00a0nejzn\u00e1m\u011bj\u0161\u00edch vir\u016f na sv\u011bt\u011b, m\u00e1 jedin\u00fd \u00fakol a t\u00edm je vykonat zadan\u00fd \u00fakol. \u010casto se jedn\u00e1 […]","datePublished":"2018-05-17","dateModified":"2018-05-17","author":{"@type":"Person","@id":"https:\/\/www.flamendr.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.flamendr.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/ee69a086fc043006d66000ff5e288b6b088fc8fa323128f3849437410a854832?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ee69a086fc043006d66000ff5e288b6b088fc8fa323128f3849437410a854832?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"flamendr.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.flamendr.cz\/wp-content\/uploads\/img_a320533_w1767_t1531815852.jpg","url":"https:\/\/www.flamendr.cz\/wp-content\/uploads\/img_a320533_w1767_t1531815852.jpg","height":0,"width":0},"url":"https:\/\/www.flamendr.cz\/druhy-pocitacovych-viru\/","wordCount":394,"articleBody":"1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Trojsk\u00e9 kon\u011b-Jeden z\u00a0nejzn\u00e1m\u011bj\u0161\u00edch vir\u016f na sv\u011bt\u011b, m\u00e1 jedin\u00fd \u00fakol a t\u00edm je vykonat zadan\u00fd \u00fakol. \u010casto se jedn\u00e1 i jako o vtip. Lze ho identifikovat pomoc\u00ed n\u00e1zvu a data vytvo\u0159en\u00ed.2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u010cervi-Ciz\u00edm slovem t\u00e9\u017e Worms. Dok\u00e1\u017e\u00ed se \u0161\u00ed\u0159it pomoc\u00ed po\u010d\u00edta\u010dov\u00e9 s\u00edt\u011b, ale nenapadaj\u00ed soubory. Mezi nejzn\u00e1m\u011bj\u0161\u00ed se \u0159ad\u00ed hlavn\u011b nevy\u017e\u00e1dan\u00e1 po\u0161ta v\u00a0podob\u011b e-mail\u016f, kdy si u\u017eivatel mysl\u00ed, \u017ee p\u0159\u00edloha e-mailu je jen ne\u0161kodn\u00fd obr\u00e1zek.3.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Souborov\u00e9 viry-Nejv\u00edce rozs\u00e1hl\u00e1 skupina vir\u016f. U\u017e podle n\u00e1zvu m\u016f\u017eete tu\u0161it, \u017ee se jedn\u00e1 o viry, kter\u00e9 \u00fato\u010d\u00ed na opera\u010dn\u00ed syst\u00e9m, konkr\u00e9tn\u011b na jeho soubory. Dok\u00e1\u017e\u00ed velmi efektivn\u011b nakazit dan\u00fd soubor a ovlivnit jeho fungov\u00e1n\u00ed. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Stealth viry-Snadno p\u0159ehl\u00e9dnuteln\u00fd vir, kter\u00fd se sna\u017e\u00ed za ka\u017edou cenu skr\u00fdt p\u0159ed u\u017eivatelem dan\u00e9ho po\u010d\u00edta\u010de. Dok\u00e1\u017e\u00ed upravovat sv\u00e9 maskov\u00e1n\u00ed v\u00a0re\u00e1ln\u00e9m \u010dase a t\u00edm se je\u0161t\u011b l\u00e9pe skr\u00fdvat.5.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Polymorfn\u00ed viry-Maj\u00ed podobn\u00e9 chov\u00e1n\u00ed jako Stealth viry, jen s\u00a0t\u00edm rozd\u00edlem, \u017ee m\u00edsto maskov\u00e1n\u00ed v\u00a0re\u00e1ln\u00e9m \u010dase tvo\u0159\u00ed \u0159et\u011bzce, kter\u00e9 dok\u00e1\u017e\u00ed uniknout scaner\u016fm antivirov\u00fdch program\u016f.6.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0Rezidentn\u00ed viry-Nach\u00e1z\u00ed se v\u00a0pam\u011bti po\u010d\u00edta\u010de. Virus s\u00e1m vysleduje, kter\u00e9 programy a u\u017eivatel pou\u017e\u00edv\u00e1 nej\u010dast\u011bji a n\u00e1sledn\u011b se je pokus\u00ed infikovat. M\u016f\u017ee t\u00edm zna\u010dn\u011b ovliv\u0148ovat \u010dinnost po\u010d\u00edta\u010de.7.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 P\u0159episuj\u00edc\u00ed viry-Jak zna\u010d\u00ed n\u00e1zev, jedn\u00e1 se o vir, kter\u00fd pouze p\u0159episuje t\u011blo infikovan\u00e9ho souboru vlastn\u00edm k\u00f3dem. Tento soubor tak po\u0161kod\u00ed a nen\u00ed schopn\u00fd jin\u00e9 funkce, ne\u017e \u0161\u00ed\u0159it vir d\u00e1le.8.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Vir p\u0159\u00edm\u00e9 akce-Jednoduch\u00fd virus ur\u010den\u00fd k\u00a0infikov\u00e1n\u00ed soubor\u016f. M\u00e1 zadan\u00fd \u00fakol, ten spln\u00ed a s\u00e1m skon\u010d\u00ed.9.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Doprovodn\u00fd vir-Naklonuje napaden\u00fd soubor a do kopie tohoto souboru zap\u00ed\u0161e sv\u016fj k\u00f3d.10.\u00a0\u00a0 Vyd\u011bra\u010dsk\u00e9 viry-Jedn\u00e1 se o nebezpe\u010dn\u00fd vir, kter\u00fd zablokuje pou\u017e\u00edv\u00e1n\u00ed va\u0161eho po\u010d\u00edta\u010de a po\u017eaduje uhradit nemalou \u010d\u00e1stku pen\u011bz. Pokud byste zaplatili takzvan\u00e9 v\u00fdkupn\u00e9, tak v\u00e1m povol\u00ed p\u0159\u00edstup. Prozat\u00edm se jedn\u00e1 o vir rozvinut\u00fd p\u0159edev\u0161\u00edm v\u00a0Rusku, ale p\u0159\u00edpady naka\u017een\u00ed po\u010d\u00edta\u010de pr\u00e1v\u011b t\u00edmto virem byly zaznamen\u00e1ny i v\u00a0Evrop\u011b.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f","item":"https:\/\/www.flamendr.cz\/druhy-pocitacovych-viru\/#breadcrumbitem"}]}]