Ransomware yog hom malware, lossis software phem, uas thaiv lub computer lossis encrypts cov ntaub ntawv. Tsuas yog thaum koj them tus nqi txhiv (nqe txhiv) koj puas tuaj yeem siv lub computer lossis cov ntaub ntawv dua. Lwm cov ntsiab lus rau ransomware yog cryptoware lossis software raug kaw.
Ransomware yog qhov txaus ntshai heev thiab, feem ntau, kuj txaus ntshai rau kev lag luam ntiag tug. Piv txwv li, koj tuaj yeem tsis nco qab poob tag nrho cov duab khaws cia lossis sau nkauj, suav nrog kev thaub qab txuas nrog. Cov kev hloov pauv qub ntawm ransomware tsuas thaiv Internet Internet lossis pib ntawm lub khoos phis tawj. Cov neeg ua phem ua phem tau nce mus rau cov tuam txhab thiab cov koom haum vim tias muaj nyiaj ntau los ua nyob ntawd. Txawm li cas los xij, raws li tus neeg siv hauv tsev, koj yuav tsum tseem ceev faj.
Ransomware ua dab tsi hauv computer? Ua ntej, tuav cov ntaub ntawv tuav los ntawm encrypting lawv. Qhov no txhais tau tias koj qhib tsis tau cov ntaub ntawv ntxiv lawm.
Nws xav tau kev them nyiaj hauv digital txiaj Bitcoin. Qhov no txhais ua ntau pua lossis ntau txhiab daus las. Tom qab lub sijhawm txwv, qee zaum cov nyiaj tau nce.
Kev kis mob tshwm sim los ntawm cov ntaub ntawv tsis zoo (feem ntau hauv email txuas) lossis los ntawm kev xau ntawm lub PC los ntawm cov software tsis hloov tshiab. Hauv qhov xwm txheej tom kawg, ransomware tuaj yeem nkag mus rau PC yam tsis muaj koj txawm tias yuav tsum nyem rau ib qho twg.
Cov ntaub ntawv tsis txaus ntseeg hauv email suav nrog: zip, exe, js, lnk thiab wsf cov ntaub ntawv. Ib qho ntxiv, cov ntaub ntawv lo lus uas nug koj kom qhib macros kuj tseem txaus ntshai.
Ceev faj rau cov neeg ua haujlwm Microsoft dag hu rau koj. Koj lub PC xav tias muaj teeb meem, thiab yog li lawv xav nkag mus rau qhov deb, tom qab ntawd lawv thaiv koj lub PC lossis cov ntaub ntawv nrog ransomware.
Tsis tau them tus nqe txhiv tab sis tuaj yeem yog qhov kawg.
Qhov encryption feem ntau tsis tuaj yeem thim rov qab yam tsis muaj tus yuam sij. Yog tias koj muaj hmoo, muaj kev daws teeb meem, txawm hais tias.
Ransomware tseem tuaj yeem kis tau cov ntaub ntawv ntawm kev sib txuas sab nraud hard drives lossis network cia nrog tsab ntawv tsav hauv Windows Explorer (xws li E:, F:, G:). Yog li ntawd, khaws ib qho thaub qab cais tawm ntawm PC.
Hmoov tsis zoo, cov ntaub ntawv feem ntau tsis tuaj yeem rov qab tau thaum muaj tus kab mob ransomware yog tias koj tsis muaj thaub qab. Mus los ntawm cov theem hauv qab no yog tias koj cov ntaub ntawv raug encrypted:
Ua ntej tshaj, tshem cov malware kom cov ntaub ntawv tsis rov nkag dua. Tom qab ntawd, ua qhov dav scan nrog koj tus kab mob scanner thiab lub tswv yim thib ob nrog kev ntseeg siab software zoo li Malwarebytes or Hitmanpro.
Muab cov thaub qab ntawm cov ntaub ntawv rov qab. Tau kawg, qhov yuav tsum tau ua ntej yog tias muaj qhov thaub qab (tsis ntev los no) thiab qhov cryptoware tsis tau encrypted nws.
Yog tias koj muaj hmoo, tus tsim ntawm cryptoware tau raug ntes, lossis tub ceev xwm lossis kws tshawb fawb txog kev nyab xeeb tau tswj kom tau txais cov ntaub ntawv encryption/decryption. Txog cov txheej txheem ntawm ransomware decryptors, uas tso cai rau koj khaws koj cov ntaub ntawv yam tsis muaj kev pab los ntawm cov neeg ua phem, txheeb xyuas nomoreransom.org, kev pib ua haujlwm ntawm Europol thiab lwm yam. Txog ransomware tshiab, feem ntau tsis muaj kev daws teeb meem.
Txoj kev pheej hmoo ntawm cov ntaub ntawv poob nrog ransomware yog siab, yog li nws yog qhov tseem ceeb heev los tiv thaiv kev kis kab mob thiab thim rov qab tsis tu ncua yog tias nws tshwm sim. Ua raws cov lus qhia hauv qab no txhawm rau txo kev pheej hmoo kis tus kab mob thiab cryptoware.
Nruab ib tus kab mob zoo scantsis. Khaws tag nrho cov software hloov kho tshiab, suav nrog kev ua haujlwm, internet browser, browser ntxiv-ons, thiab cov haujlwm nrov, xws li Adobe Reader. Nrog ScanVajvoog, koj tuaj yeem pom sai sai tias koj lub PC ua haujlwm li cas. Txog software xws li Adobe Flash thiab Java, kev pom zoo tsis ua haujlwm.
Thov tsis txhob nyem qhov txuas thiab txuas hauv email tshwj tsis yog koj paub tseeb tias nws ntseeg tau.
Tsis txhob qhib macros hauv cov ntaub ntawv chaw ua haujlwm thib peb, tshwj xeeb yog daim ntawv thov kom koj ua.
Ransomware feem ntau yog ua tiav .exe cov ntaub ntawv zais rau lwm hom ntaub ntawv, xws li daim ntawv PDF. Lov tes taw cov ntaub ntawv txuas ntxiv kom koj tuaj yeem pom los ntawm kev zais.
Thiab dua: ua thaub qab. Cov thaub qab tsuas yog qhov chaw tiv thaiv tag nrho koj cov ntaub ntawv poob.