Ngelixa kuyinyani ukuba kubalulekile ukukhusela unxibelelwano, kwiminyaka yedijithali esizifumana sikuyo, kubaluleke ngakumbi ngakumbi ukuba sikwazi ukukhupha iifayile. Kule nqaku siza kukufundisa indlela yokwenza ngokuchanekileyo.
Cima iifayile
Ukucima ifayile kuthetha ukutyhila umxholo womyalezo ofihliweyo. Ngokwenxalenye yayo, inkqubo eguqula idatha okanye isicatshulwa somyalezo, ukuya kwinqanaba lokuyifihla, ibizwa ngokuba yi-encryption.
Ukubethela okanye ukubethela ifayile kufuna ukusetyenziswa kwee-algorithms zemathematics. Ngale ndlela, ukwazi kuphela ubuchwephesha bokwenza i-algorithm kunokuthi umxholo wefayile uphinde ubuyiselwe. Ngendlela efanayo, kufuneka iqatshelwe into yokuba phantse yonke imiyalezo ethunyelwe kwi-intanethi ibhalwe ngokufihliweyo, oku ngenjongo yokwenza ukuba unxibelelwano lukhuseleke ngakumbi.
Kule meko, kubalulekile ukucacisa ukuba ngamanye amaxesha i-encryption algorithm isebenzisa isitshixo esinye kuzo zombini ukubethela kunye nokubethela. Ngelixa ngamanye amaxesha, zombini zohlukile. Oku kukhokelela kwiindlela ezininzi zokucoca iifayile, kubandakanya ukubakho kokufuna Chaza iifayile ngentsholongwane.
Ngokusisiseko, ukubethela kwi-logarithm yesitshixo sokulinganisa, oko kukuthi, enye ehambelana neenkqubo zombini (ukubethela kunye nokuseta), into ekufuneka uyenzile kukuzama ukhiye emva kwesitshixo de ufumane oluchanekileyo. Kwimeko ye-asymmetric key algorithms, eyenziwe luluntu kunye nesitshixo sabucala, into efunekayo kukufumana ulwazi oluyimfihlo ekwabelwana ngalo phakathi kwala maqela mabini.
Ngamanye amagama, ukufumana isitshixo sokufikelela kulwazi olufihliweyo ngokusebenzisa i-asymmetric key algorithm kuthetha ukuba isitshixo sangasese sinokufumaneka kuleyo ipapashiweyo. Oku kufuna ukuba kusetyenziswe izibalo ezintsonkothileyo zemathematika.
Nokuba yeyiphi na indlela, ukwaphula i-encryption algorithm ngokujonga isitshixo ngesandla kwaziwa njengokuhlaselwa ngamandla.
Okokugqibela, kufuneka kuthiwe ixesha elityalomali lokuchithwa kwefayile liyahluka ngokuxhomekeke kubunzima bokufaka isitshixo, oko kukuthi, kubude bezinto eziphambili ezisetyenzisiweyo ngexesha lokubethela. Ukongeza, amandla okulungisa ikhompyuter asetyenziswayo anefuthe.
Ngale ndlela, kunokwenzeka ukuba ngamanye amaxesha siyakwazi ukuguqula iifayile kwifayile kwimizuzu embalwa, kwaye kwezinye iimeko inkqubo ithatha iiyure ezininzi kunye neentsuku okanye iinyanga. Kwiimeko ezimbi kakhulu akunakwenzeka ukuba uguqule iifayile nangayiphi na indlela.
Ungazichaza njani iifayile ngeentsholongwane?
Okwangoku, kukho iinkqubo ezininzi ezinobungozi ezinakho ukuthintela amaxwebhu ethu ngokufihla imiyalezo ekuzo. Olona phawu luphambili kolu hlobo lwentsholongwane, olubizwa ngokuba yi-ransonware, kukuba isigebenga okanye isigebenga se-cyber sicela intlawulo yesixa semali, njengentlawulelo yokutshintshela umxholo obanjiweyo.
Kwelinye icala, kufanele ukuba kukhankanywe ukuba olu hlobo lokuhlaselwa kwekhompyuter yenye yezona ziyingozi. Kungenxa yokuba ukufezekisa injongo yayo, intsholongwane isebenzisa ukubethela okunzima kakhulu, kokubini kwiifayile zenkqubo nakwiifayile zomsebenzisi. Njengoko uhlobo lokubethela olusetyenzisiweyo luyahluka kuhlobo ngalunye lwe-ransonware, kukho izinto ezahlukeneyo zosulelo, ezenza ukuba inkqubo yokubuyisela kwifayile ibe nzima.
Ukuba ufuna ukwazi ngakumbi malunga nokuba yintoni i-ransomware, ndiyakumema ukuba ufunde inqaku lethu apha iintlobo zeentsholongwane zekhompyuter ezingonakalisa izixhobo zakho.
Ngokuqinisekileyo, apho uya kufumana ulwazi oluya kuba luncedo ukukhusela kulo naluphi na uhlobo losulelo lwentsholongwane. Kwangokunjalo, ukuncedisa, unokufunda inqaku ku imigangatho yokhuseleko kwikhompyuter.
Ngokuchanekileyo ngenxa yobu bunzima, abanye abantu bayavuma ukuhlawula intlawulelo. Nangona kunjalo, ayikhuthazwa le nto. Ingakumbi kuba akukho siqinisekiso sokuba nditsho nokuhlawula imali eceliweyo, abenzi be-cybercriminals bayakubuyisa ulwazi. Ukongeza, ukuhlawula kuya kuxhasa kwaye komeleze olu hlobo lolwaphulo-mthetho.
Ngoku, xa sele sithethile apha ngasentla, lixesha lokuba sibonise izixhobo ezisetyenzisiweyo Chaza iifayile ngentsholongwane.
Susa iifayile ngokutshixwa nguLoky
I-Locky lubaluleke kakhulu kwaye ludumo lwentsholongwane. Idluliselwa nge-imeyile equlethe iifayile zoluhlobo .doc kunye .xls, ezenziwa ngumamkeli ngaphandle kwalo naluphi na uhlobo lokuthintela.
Inyathelo lokuqala kukukhuphela kunye nokufaka inkqubo ye-Emsisoft Decrypter AutoLocky, isixhobo ekulula ukusisebenzisa ngokukodwa ekususeni ukubhalwa kwamaxwebhu atshixiwe nguLoky. Oko kukuthi, ngale nkqubo kunokwenzeka ukuba uguqule naluphi na uxwebhu olunolwandiso, ulubuyisele kwimeko yalo yoqobo.
Ke, eyona nto iphambili kule software kukuba, emva kokufunyanwa kwakhona kwamaxwebhu, anokuvulwa kwinkqubo ehambelanayo ngaphandle kokufumana uhlobo oluthile lokulahleka kolwazi.
Nje ukuba isicelo sikhutshelwe, kwaye samkele imiqathango yaso, inyathelo elilandelayo kukuyiqhuba. Ukwenza oku, kufuneka ucofe kwigama lefayile ye-decrypt_autolocky.exe.
Ekuqaleni kofakelo, kufuneka sigunyazise ukwenziwa kwayo, ngokunqakraza ku-Ewe ukhetho.
Inkqubo izakuzama ngokuzenzekelayo ukufumana isitshixo sokubhala. Xa oku kwenziwe, umyalezo uza kuvela kwiscreen usazise malunga nokufumana kwaye ucebise ukuba siqale ukurhoxisa kuphela iqela elincinci leefayile. Oku kungenxa yokuba kungenzeka ukuba isitshixo esifunyenweyo ayisiyiyo echanekileyo.
Emva kwexesha kufuneka sifunde kwaye samkele imigaqo yelayisensi. Kwiskrini esilandelayo ungaqala ukususa ukuguqulela iifayile ezitshixiweyo. Ngokuzenzekelayo, inkqubo iqala ukukhangela iifayile kwi-drive C. Ukongeza ezinye iindawo zokuphonononga, cofa nje kwi-Add Folder option.
Okokugqibela, sikhetha ukhetho lwe-Decrypter ukuqala ukucacisa iifayile kwi-list ebonakala kwiscreen.
Cima iifayile usebenzisa iinkqubo ze-antivirus
Njengoko besesitshilo, kukho iintlobo ezahlukeneyo zentlawulelo, ukwanda kwayo kuye kwasasazeka kule minyaka idlulileyo. Ngethamsanqa, abavelisi besoftware abaphambili, bahlala bekhangela ezinye iindlela zokulwa nefuthe lale nkqubo inobungozi.
Njengexabiso elongeziweyo, iinkqubo ze-antivirus ezinje ngeAvast kunye neAVG ziyakwazi ukubhala ngokufihlakeleyo iifayile ezifakwe ngeendlela ezahlukeneyo zentlawulelo.Ngoku, kubalulekile ukuba uqaphele ukuba zombini ezi nkqubo zisimahla kwaye azibonisi mda kucoceko olupheleleyo lweefayile. .
Ngokubhekisele kwiAvast, iyakwazi ukubethela iifayile ezifakwe kwi-ransomware ezinje nge: Badblock, Cryp888, SZFLocker, Apocalipsys, Bart, Alcatraz Locker, CriSys, Legion, TeslaCrypt, phakathi kwabanye.
Ngokwenxalenye yayo, i-AVG inezixhobo zokubhala ngokufihla izinto ezinje nge: Badblock, Apocalipsys, Cryp888, Legion, Bart, SZFLocker kunye neTeslaCrypt.
Cima iifayile usebenzisa iTeslaDecoder
I-TeslaDecoder sisixhobo esivumela Chaza iifayile ngentsholongwane, ngokukodwa, iifayile ezifihliweyo nguTeslaCrypt, eziphelo zazo zezi: .ecc, .ezz, .exx, .xyz, .zzz, .aaa, .abc, .ccc kunye .vvv.
Ukwahluka kwentsholongwane kaTeslacrypyt kukuba i-logarithm yemathematics eyisebenzisayo ukubethela iifayile kukubethela okungqinelanayo. Ukongeza, ngalo lonke ixesha intsholongwane iqala kwakhona, kuye kwenziwe isitshixo esine-symmetric, esigcinwe kwiifayile zokugqibela ezinoguqulelo oluntsonkothileyo. Oku kubangela ukuba amaqhosha okubhala angafani kuzo zonke iifayile.
Ukwazi malunga nobuthathaka bentsholongwane, abavelisi bakhethe ukusebenzisa uhlobo lwealgorithm ebethela amaqhosha kwaye, kwangaxeshanye, iwagcina kwifayile nganye ebhaliweyo. Ingxaki kukuba ukomelela kwealgorithm esetyenzisiweyo kusekwe kubude beeprimes ezisebenza njengesiseko, kwaye oku akukude ngokwaneleyo.
Ngamanye amagama, ngenxa yobude besitshixo esigciniweyo, kunokwenzeka ukuba usebenzise iinkqubo ezizodwa ukuze usifumane, njengeTeslaDecoder.
Amanyathelo akuvumela ukuba usebenzise oku Inkqubo yokubhala ngokufihlakeleyo kwiifayile, zezi zilandelayo:
Kuqala ekufuneka sikwenzile kukwenza ifolda esebenzayo, apho siza kukopa ifayile enye ebhaliweyo. Ukuba ulwandiso lwefayile ngu-.
Emva koko kufuneka sikhuphele isoftware yeTeslaDecoder kwaye siyifake kwifolda esebenzayo esebenzayo. Nje ukuba ifayile yeTeslaViewer.exe ifumaneke, nqakraza kwi-Browser ukhetho.
Emva koko, sikhetha ifayile ebhaliweyo esiyikhupheleyo kumanyathelo angaphambili kwaye sinokubona ngoko nangoko izitshixo zokubhala ezifunekayo. Ukuba imalunga neefayile ze .ecc okanye .ezz, endaweni yokukhetha ifayile ebhaliweyo, sikhetha ifayile yeqhosha.
Emva koko, sicofa u Yakha umsebenzi.txt ukhetho ukwenza ifayile yolo hlobo, eya kuthi igcine ulwazi olufunyenweyo.
Into elandelayo kukuba kuqala isitshixo sokumisa. Ukwenza oku, kuya kufuneka usebenzise iInjini yokukhangela yeFactorDB, kwaye ukhethe iFactorize! Okwangoku inokwenzeka ukuba inani lifakwe ngokupheleleyo okanye ukuba yinxalenye yalo kuphela. Kuzo zombini iimeko, ngokulandela imiyalelo kwiscreen, sinokugqibezela inkqubo yokubhala.
Ukuba neziphumo zefactorization, kufuneka zikotshwe kwifayile yomsebenzi.txt.
Ngoku kufuneka singene kwifolda esebenzayo kwaye sijonge ifayile yeTeslaRefactor.exe. Xa siyifumana, siyaqhubeka nokwenza loo fayile. Izinto ezigcinwe emsebenzini.txt zikotshiwe kwibhokisi ebonakala kwiscreen, emiselwe ukubeka izinto zokugqibela.
Kwisikrini esinye, kodwa kumqolo olandelayo, kufuneka sikope ixabiso loluntu le -BC elikwifayile yomsebenzi.txt.
Ekupheleni kokugqitywa kolwazi oluceliweyo kwicandelo ngalinye, sicofa indawo ethi Fumana ukhiye wangasese ukhetho. I-TeslaRefactor iya kwakha ngokuzenzekelayo ixabiso eliphambili. Ngokuzenzekelayo, iya kuvela ebaleni ekuthiwa sisitshixo sangasese (hex).
Kule nxalenye yenkqubo, kubalulekile ukukhangela ukuba ixabiso leMveliso (dec) liyalingana nexabiso ledesimali elifunyenwe kwifayile yomsebenzi.txt. Ngamanye amagama, kufuneka siqinisekise ixabiso lesitshixo.
Ngaphambi kokuqhubeka, kufuneka sikope ixabiso lesitshixo sangasese (hex) kwifayile yomsebenzi.txt.
Ngoku kufuneka uye kwifolda yokusebenza ukuze usebenze ifayile yeTeslaecoder.exe njengoMphathi. Emva kokukhetha ukuSebenza njengoMlawuli ukhetho, cofa kwindawo ethi Cwangcisa ukhetho.
Kwiwindow elandelayo, siza kungenisa ixabiso lesitshixo sangasese (hex), ngelixa kufuneka sikhethe iifayile zethu. Ukugqibezela eli candelo, nqakraza kwi Cwangcisa iqhosha ukhetho.
Into elandelayo kukwenza uvavanyo lokususa ukuguqulela. Ukwenza oku, sijonga isampulu yefayile ebesiyikope kuqala kwifolda esebenzayo. Uvavanyo luqala xa siklikha kwi-Decrypt Ifolda ukhetho, kunye nefayile ekulo mbuzo ukhethiweyo.
Ukuba ifayile icaciswe ngempumelelo, sikulungele ukuguqulela zonke iifayile ezifihliweyo. Kule nto, kufuneka ukhethe u-All Decrypt ukhetho.
Okokugqibela, ukuba ifayile ayichazwanga, oko kuthetha ukuba ibinenye isitshixo sokubhala. Ngendlela eya kuthi iyimfuneko ukukopa le fayile kwifolda yokusebenza kwaye uphinde inkqubo yonke.
Ityala elithile: Shicilela ifayile yePDF
Ngamanye amaxesha, kunokwenzeka ukuba sifumane ifayile yeFayile ebhaliweyo, apho sinesitshixo sokuqhubeka nokuyicacisa. Ukuba kunjalo, inkqubo ithe ngqo.
Into yokuqala ekufuneka siyenzile kukuba nomqhubi weprinta yePDF kunye non-Adobe PDF uxwebhu lokufunda olukhoyo. IFoxit Reader isebenza kakuhle kwinjongo yethu.
Kwiwindow ehambelana nomlawuli, silayisha ifayile kwiFoxit Reader. Inkqubo iya kusicela ukuba singenise igama eligqithisiweyo ekwabelwana ngalo.
Emva kokujonga ukuba zonke iinkcukacha zefestile zibonisiwe ngokuchanekileyo, senza umthetho ofanelekileyo ngokungathi siza kuprinta uxwebhu. Oko kukuthi, siyithumela kumshicileli wePDF.
Iziphumo zale nyathelo ikopi yoxwebhu lwantlandlolo, kodwa ngaphandle kokubhaliweyo.
Okokugqibela, siza kuphendula umbuzo abantu abaninzi abanokuzibuza wona.
Ngaba kunokwenzeka ukuba uguqule iifayile kwi-intanethi?
Impendulo yalo mbuzo iyavakala xa sithetha ngemicimbi yezokhuseleko.
Njengoko sele sibonile, ukurhafisa iifayile kubalulekile ukuba sichaze inxenye yolwazi lwethu ngandlela thile. Ke, ukuba besinokubhenela kwiinkonzo ezikwi-Intanethi, siya kuba sonyusa amathuba okuba abanye abantu bayifumane, bakwazi ukuyisebenzisa kakubi, bayiguqule okanye bayisuse ngokusisigxina.
Ke akukho zicelo zivumela ukuba sigqithise kwiifayile ze-intanethi ezifihliweyo ngolunye uhlobo lwentlawulelo. Ngendlela yokuba ekuphela kwendlela yokufezekisa oku kukukhuphela kunye nokufaka kwikhompyuter yethu esinye sezixhobo ezininzi ezifumanekayo kuthungelwano lwenethiwekhi, njengoko besesitshilo kweli nqaku.
Ingcebiso yokugqibela kukuqinisekisa ukuba silandela imiyalelo yabaphuhlisi bezi ntlobo zezicelo kwileta.