{"id":4404,"date":"2020-10-30T22:37:28","date_gmt":"2020-10-30T21:37:28","guid":{"rendered":"https:\/\/webhosting.de\/?p=4404"},"modified":"2020-10-30T22:37:28","modified_gmt":"2020-10-30T21:37:28","slug":"further-classifications-of-malware-ransomware-spyware-adware-scarewar-phishing-keylogger","status":"publish","type":"post","link":"https:\/\/webhosting.de\/sv\/weitere-klassifizierungen-von-malware-ransomware-spyware-adware-scarewar-phishing-keylogger\/","title":{"rendered":"Ytterligare klassificeringar av skadlig kod"},"content":{"rendered":"

Det finns m\u00e5nga olika typer av skadlig kod, alla med olika funktioner och m\u00e5l. Vissa skador \u00e4r bara irriterande - andra kan f\u00e5 allvarliga ekonomiska konsekvenser. Det \u00e4r inte ovanligt att skadlig kod har flera funktioner eller s\u00e4tt att f\u00e5 tillg\u00e5ng till din dator. Men all skadlig kod har ett m\u00e5l: att skada anv\u00e4ndaren.<\/p>\n

Adware - Utmattande och irriterande<\/h2>\n

Adware, som ofta kallas bloatware, installeras i bakgrunden p\u00e5 datorn och omdirigerar anv\u00e4ndaren till reklamsajter. Den \u00e4r ofta ocks\u00e5 ansvarig f\u00f6r irriterande popup-f\u00f6nster och annonser som \u00f6ppnas st\u00e4ndigt och utan att du fr\u00e5gar. Bloatware omfattar ocks\u00e5 program eller applikationer som installeras tillsammans med programvara som egentligen \u00e4r \u00f6nskv\u00e4rd. I allm\u00e4nhet \u00e4r adware ett av de mer ofarliga hoten p\u00e5 Internet, men de o\u00f6nskade reklamsidorna kan omdirigera dig till andra, os\u00e4kra webbplatser som sedan installerar v\u00e4rre skadlig kod. D\u00e4rf\u00f6r b\u00f6r adware ocks\u00e5 avinstalleras s\u00e5 snart det uppt\u00e4cks. Du kan sj\u00e4lv f\u00f6rhindra installation av bloatware genom att alltid se till att inte installera ytterligare program n\u00e4r du installerar nya program.<\/p>\n

Keylogger - varje tangenttryckning registreras<\/h2>\n

Keyloggning har faktiskt sitt ursprung i legitim \u00f6vervakning inom IT-sektorn. D\u00e4r installeras den antingen som mjukvara eller h\u00e5rdvara och registrerar p\u00e5 ett tillf\u00f6rlitligt s\u00e4tt varje tangenttryckning. Inom sektorn f\u00f6r skadlig kod visas en keylogger alltid som en programvara som installeras obem\u00e4rkt i bakgrunden och sedan registrerar varje inmatning via tangentbordet. Dessa uppgifter skickas sedan vidare till \"avs\u00e4ndaren\" av skadlig kod och det \u00e4r h\u00e4r faran ligger: alla l\u00f6senord som skrivs in, finansiella uppgifter, kreditkortsnummer och PIN-koder \u00e4r nu i h\u00e4nderna p\u00e5 avs\u00e4ndaren. Det \u00e4r l\u00e4tt f\u00f6r honom att anv\u00e4nda e-postkontot, internetbanken eller andra konfidentiella uppgifter f\u00f6r brottsliga syften. Keyloggers \u00e4r en av de farligaste skadligaserna eftersom de kan orsaka stor skada och dessutom kan vara sv\u00e5ra att uppt\u00e4cka. Den kan f\u00f6rkl\u00e4 sig som en normal fil, eventuellt bygga om sig sj\u00e4lv och oberoende<\/a> installeras och orsakar s\u00e4llan problem med datorn, till exempel ryckningar eller ett l\u00e5ngsamt system.<\/p>\n

Skr\u00e4mmande f\u00f6rem\u00e5l<\/h2>\n

Scareware, som namnet antyder, f\u00f6rs\u00f6ker skr\u00e4mma eller skr\u00e4mma anv\u00e4ndaren. Detta sker genom att det pl\u00f6tsligt dyker upp ett popup-f\u00f6nster eller ett reklamf\u00f6nster som rapporterar om ett p\u00e5st\u00e5tt PC-problem. Dessa varningar kan vara allt fr\u00e5n en p\u00e5st\u00e5dd virusinfektion till problem med operativsystemet eller att viktiga programkomponenter saknas. Varningen \u00e4r avsedd att skr\u00e4mma anv\u00e4ndaren till att antingen k\u00f6pa en programvara som ska l\u00f6sa problemet eller ladda ner ett hj\u00e4lpprogram. Denna programvara inneh\u00e5ller ofta skadlig kod, och n\u00e4r anv\u00e4ndaren k\u00f6per programvara l\u00e4mnar han eller hon ofta ut k\u00e4nsliga uppgifter om sig sj\u00e4lv. Scareware kan levereras antingen via popup-f\u00f6nster, sidor eller via e-post. Spam<\/a> spridas.<\/p>\n

\"<\/a><\/p>\n

Spionprogram<\/h2>\n

Spionprogram spionerar p\u00e5 datorn p\u00e5 ett s\u00e5dant s\u00e4tt att bedragaren har olika m\u00f6jligheter att anv\u00e4nda den i kriminella syften. Spionprogram kan t.ex. f\u00f6rkl\u00e4 sig som ett webbl\u00e4sarf\u00e4lt eller \u00e4ndra anv\u00e4ndarens startsida. Dessa anv\u00e4nds sedan f\u00f6r att registrera och analysera anv\u00e4ndarens beteende p\u00e5 WorldWideWeb. Ibland kan spionprogrammen lamsl\u00e5 vissa funktioner i datorn, till exempel genom att ta bort administrat\u00f6rsr\u00e4ttigheter eller skapa s\u00e4kerhetsh\u00e5l i det egna systemet, vilket sedan fungerar som en sluss f\u00f6r ytterligare skadlig kod.<\/p>\n

Fiske<\/h2>\n

Fiske<\/a> avser \"fiske\" av k\u00e4nsliga uppgifter, t.ex. bank- eller kreditkortsuppgifter. Det farliga med phishing \u00e4r att den egna datorn inte beh\u00f6ver vara infekterad - anv\u00e4ndaren kanske bara inte \u00e4r tillr\u00e4ckligt uppm\u00e4rksam. Phishing leder anv\u00e4ndaren till en falsk webbplats d\u00e4r han eller hon utan att misst\u00e4nka det matar in sina uppgifter. Det kan handla om l\u00f6senord eller finansiella uppgifter. Phishing b\u00f6rjar vanligtvis fr\u00e5n anv\u00e4ndarens eget e-postkonto. Anv\u00e4ndaren f\u00e5r ett falskt e-postmeddelande fr\u00e5n ett v\u00e4lk\u00e4nt f\u00f6retag eller sin bank d\u00e4r han eller hon uppmanas att logga in igen eller bekr\u00e4fta vissa uppgifter. N\u00e4r anv\u00e4ndaren klickar p\u00e5 l\u00e4nken omdirigeras han eller hon till en falsk sida, och n\u00e4r han eller hon skriver in sina uppgifter l\u00e4mnar han eller hon dem vidare till bedragarna.<\/p>\n

Ransomware<\/h2>\n

Ransomware ber anv\u00e4ndaren att betala en \"l\u00f6sensumma\" efter att datorn har infekterats f\u00f6r att f\u00e5 datorn att fungera igen. Bedragarna \"l\u00e5ser\" datorn med skadlig kod, visar sedan ett stort varningsmeddelande och ber om en viss summa f\u00f6r att f\u00e5 datorn att fungera igen.<\/p>","protected":false},"excerpt":{"rendered":"

Es gibt die verschiedensten Arten von Malware, alle mit verschiedenen Funktionsweisen und Zielen. Dabei ist so mancher Schaden nur nervig – andere dagegen k\u00f6nnen ernsthafte, finanzielle Folgen nach sich ziehen. Nicht selten hat Malware auch mehrere Funktionen oder M\u00f6glichkeiten, Zugang zum eigenen Computer zu finden. Ein Ziel aber hat jede Malware: Sie schaden dem Nutzer. 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