WANNACRY
RANSOMWARE
(The biggest Cyber criminal in Computer History
!)
Er.Chhungpuia Renthlei
( He articles hi kum 2017 May
thla a ziah a ni)
Aw le, tun tum chu computer khawvel history a computer virus
hmanga cyber crime lian ber leh tawhkhirh ber hiala an sawi, kum in 2017
May thla tir lama khawvel nghawr nghing lawih khawpa computer khawih
buaitu Ransomware chungchang ka han tarlang ve ang
e.
Ransomware hi eng chiah nge ni le ?
Ransom tih hi mizo tawng chuan tlanna emaw intlanchhuahna tihna a ni. Virus chimawm tak, file khawih chhia a pawisa
min dil thin tu ti ila a fiah mai awm e. Ransomware hi malicious software zinga
mi a ni. Malicious software awmzia ber chu virus chikhata ni a,computer
system ah lutin a rukin data hrang hrang a chhiar a, information a
chhinchhiah vek a, message chi hrang hrang a tarlang thin. Ransomware in
computer a khawihbuai dan ber chu kan computer a file pawimawh awm tha
hle hle lai hawn theih miah loh turin min kalh sak hmiah hmiah mai
a, chu mai duhtawk lovin pangngai taka hawng leh turin tlanna
pawisa min thing let leh thin.
Keini mipui tam zawk ten tunhnai mai a social media hrang hrang
kaltlanga kan hriat ransomware hi kum 1989 daih tawh a Joseph
Popp program siamchhuah a ni. A tirah chuan “AIDS” Trojan tih
leh PC Cyborg tih hming an vuah nghe nghe. Hetianga intlanchhuahna tura
sum a phut tlat thin avang hian a hmingah Tlanna Virus ( Ransom Malware)
an ti anih mai hmel e. He Ransom Malware hi a lam tawi in Ransomware tiin
khawvel chuan kan lo hre lar ta a ni.
Ransomware chi hrang hrang te :
Ransomware hi family
lian tak a ni a, a langsar zual deuh deuh te chu:
1. Encryptors
ransomware chuan computer hmangtu te
data pawimawh hrang hrang personal photos, archives, documents,
databases, etc. te hman theih lohin a lock vek thin. Data hawn theih
lehna turin tlanna pawisa (ransom payment) a phut nghal thin.
2. Blocker ransomware ve thung chuan computer systems (Windows
operating system) a block hmiah mai thung a, computer hmang thei
leh turin tlanna pawisa (ransom payment) a phut nghal thin.
3. Leakware(Doxware)
ransomware : Hei hian
information te ruchhuakin hmun dangah a tlangzarhah a vau thin.
4. Mobile ransomware: Android platform a bi tum ber. Mobile data pawimawh
hman theih lohvin a siam thin
5. Reveton
ransomware : license
telloa software hmang ang a kan computer sawiin, Software pawisa pe a
download tur te in thuneitu ang maiin message a tarlang thin.Kum 2012
velah European countries ah a lar hle.
6. CryptoLocker
ransomware : Hei hian kan data
leh software te hman theih loh turin a siam thin.Kum 2013 chhho ah khan a lar
hle.Kum 2013 september khan Australia ah computeter a tibuai hle bawk
7. CryptoWall
ransomware : Hei hian Microsoft
windows a bitum bik a. Kum 2014 khan Advertisement dik lo tam tak
an thehdarh kum 2014 chho khan website langsar tak tak a tibuai.
8. Fusob ransomware : Hei hi Mobile bitum tura an
siam a ni. April 2015 leh March 2016 inkara mobile tibuaitu ransomware
langsar ber a ni.
9. WannaCry ransomware
: Hei hi tunlaia khawvelin a
buaipui mek,.Kumin 2017 may thla tir lama internet kaltlanga computer
engemawzat a tibuaitu hi a ni. Computer han ON chiah hian Windows hmang
ho tan chuan Start menu etc lan hmain emaw, a lan rualin “Your Computer is
Locked” etc. tih a rawn lang tel thin a, han close ngaihna a awm der lo thin
ani. A “Lock” chhan emaw thui leh mumal hmel deuhvin a in ziak a, computer hman
duh chuan pawisa pek a ngaih thu a inziak tel thin.
Ransomware history :
Sawi tawh angin ransomware virus hi kum 1989 daih
tawhah khan siam a ni. Computer a tihbuai hmasak ber chu kum 1989 a
Stockholm a AIDS conference an neihna hmuna kalkhawm (participants)
computer a ni. Pariticipants hnena 20K Floppy Diskettes an
semna ah a ruka thawndarh a ni. Floppy disk computer a an thunluh
ve leh he ransomware virus hian Computer system file pawimawh awmna
ber C: Drive a khawihbuai nghala, file pawimawh hman theih lohvin a lock
nghal thin AIDS conference na hmuna thawndarh anih vangin AIDS Trojan
tiin a hming an phuah nghe nghe. Tuna ransomware –Wannacry nen ang em em
hi chu ti lutukin an ngai pawimawh lem lo.
Ransomware hmang hian criminal te chuan Kum 1989
khan computer hmangtu tam tak hnenah Software
hmangtu license tawp angin message an thawn a, an
software hman theih lohin an lock sak hmiah a, an hman leh theih nan
PC Cyborg Corporation ah US$189 (Rs 12285) pe turin message an
thawn nghal a ni.
Khawvelin tunlaia ransomware a buaipui ber , WannaCry ransomware
rawn irhchhuahna bul ber chu kum 2013 a hmuhchhuah cryptographic
algorithm khirh tak mai hmanga data leh system file lock thei
CryptoLocker an tih hi a ni. Tahla lian tak hmanga kawngkhar kal hang deuh hian
computer file leh data pawimawh an kalh hmiah mai thin. A hawnna chahbi
(decryption key) lei nan pawisa an phut thin..
Tunlai a Ransomware Messages langsar zual te:
“Your personal files are encrypted”
“Your computer has been locked”
“FBI Online Agent has blocked your computer for a security reason”
“You became victim of the PETYA RANSOMWARE!”
“WARNING! Your personal files are encrypted”
“YOUR FILE HAS BEEN LOCKED”
Ransomware in a tihbuai langsar te :
CNN in a report danin Mithiam te chuan Ransomware
hi khawvel a cyber crime history ah chuan a lian
ber a ni. Ransomware in a bitum lian ber pakhat chu Microsoft
Windows Operating system ( Windows XP leh Windows 2003 ) a ni. Heng te
hi khawvel hmun hrang hrang mi maktaduai telin kan la hman, mahse
Version thar tam tak zawk a chhuahtawh avanga microsoft ten an
hluihlawn leh enkawl zui tawh loh te a ni. Heng te hi ransomware chuan a
rawn bitum ta ngat mai reng a. Hetiang anih avang hian Microsoft
chuan update software an siamchhuak nghal a. Microsoft
chuan sorkar tan ralkhel dar vuak ngei ngei na tur a ni an ti hmiah
mai.
Nikum 2016 January leh may thla inkarah ringawt khan ransomware
families 50 lai mai hmuh belh a ni .Ransomware 76% te hi spam
atanga thehdarh a ni. Ransomware 59% te hi email
attachment leh embedded URLs atanga thehdarh a ni.FBI in a chhut
dan chuan darkar tin hian khawvel hmun hrang hranga computer
4,000 zet mai hi ransomware in a tibuai mek.FedEx, Britain’s National Health
Service leh Russian Interior Ministry te hi a tihbuai nasat ber ber te an
ni.
Ransomware in pawisa pe tura a tih te hi chawhrualin Rs
19500 atanga Rs 39000 vel a ni thin.Tunlai hian Ransomware
hian sumdawng te a target ber a, tunah hian email siamtu ( webmail
providers) a bitum leh mek a ni.US President Trump a khan
cybersecurity order a tihchhuah hnu lawkah ramsomware hian US sorkar computer
pawimawh a lock nghal. Hetih lai hian US government systems te a tihbuai
loh thu an sawi thung. Khawvela antivirus lar tak mai Kasperkey
Lab. hriat theih chinah dan chuan ram hrang hrang 100 chuang
ah computer 45,000 zet a khawih buaia. Tin, Antivrus kan hman lar
tak mai Avast pawhin ram hrang hrang 99 ah computer 57,000
zet a khawih chingpen thu an report bawk. Heng zingah hian Russia,
Ukraine, Taiwan, Reuters e.t.c te chu a tuar nasa te an ni.
India pawh Gujarat sorkar computer 120 te, West Midnapore -
Belda, Datan, Narayangarh leh Keshiyari te, Balurghat Bengal's South
Dinajpur power pekchhuahna computer te ramsomware hian a
tibuai mek bawk. kumin 2017 march thla atang khan Security a
update nghal tih Union Minister Ravi Shankar Prasad chuan a sawi
nghe nghe bawk. China ah government agencies leh schools tiamin
30,000 institutions a khawi buai bawk.
WannaCry ransomware laka inven theih dan:
1. Windows security patch MS17-010 hi install chuan
computer a alo luttur a veng thei a. Windows automatic a update lo te tan https://technet.microsoft.com/en-us/library/security/ms17-010.aspx atang hian he security patch hi download theih
in a awm a, download zawh ah install mai tur a ni.
2. Firewall atangin port 139, 445 leh 3389 te block tur.
3. Mi i hriat ngailoh hnen atanga eimail i dawn emaw,
company i hriat ngailoh hnen atanga email i dawn emaw in attachment hawng suh.
4. SMB disable rawh. Hei hi windows features atangin a
disable theih a ni.
5. I web browser ah pop-up block rawh. Hei hi browser
setting ah set theih a ni emaw install theih a ni.
6. Windows security update thar ber install thin ang che.
7. Antivirus tha tak hmang la, update tha ang che.
I file pawimawh zualte external hard dik ah emaw, pendrive ah emaw
DVD/CD ah te backup thin rawh
Ransomware bakah internet leh mobile hmangtu te tibuai thei
langsarzual han tarlang leh lawk ang hmiang
Adware: Hei hi computer tana thil hlauhawm em em nilo mah se, a
hmangtu tan thil ninawm anih avang leh malware siam tute tan computer attack
theihna anih avangin thil hlauhawm ve thawkhat chu ani. Free Software
(Shareware) kan tih te hian Advertisement a keng tel thin a, tunlaia Android
leh Apple iOS-a Free app tamtak hian an kengtel thin ani.Hetiang Free Software
ho hi chung advertisement vanga “Free” thei annih vangin Adware chu an tello
thei lo ani. Entirnan, tunlaia Free Anti-Virus lar ve tak, AVG Free ah pawh
hian Adware a tel ve a, a hnuaia a lan dan ang hian, advertisement lai hi
amahin a in thlak vel reng thin.
Spyware: Hetiang hi chu Adware ang tho anni a, mahse advertisement mai
bakah thiltih theih dang annei a, chu chu a hmangtu information lakkhawm a,
chumi hmanga “Targeted Advertising” an tih, a hmangtu a zira advertisement link
dah ani. Website hran hran kan han browse hian, kan thil en lai leh website
tlawh zing deuh te, shopping website-a kan thil en etc. te alo chhinchhiah a,
chumi hmang chuan kan thil duhzawng leh chakzawng awm deuh a hrethiam a, site
dang kan tlawh zel pawhin kan duhzawng awm tak tak chauh advertisement alo
tilang thin ani.Hacker ho hian Spyware hi an hmang tangkai thiam em em a, heng
“Targeted Advertisement” hmang hian miin an chhiar chak deuh leh tui lam tak
tur link an website kalna apiangah anlo dah a, mahse chutiang link chuan hmun
dang daihah hruaiin, an computer-a vulnerability exploit tumin an bei ta thin
ani.
Keylogger : Hei hi chu a hming chawi ang hian, mi keystroke (keyboard-a
kan thil type engkim) alo chhinchhiah-a, file-ah emaw chhiar theihin a dah
(Save) ru thin ani. Hemi hmang hian miin Encryption emaw password maksak deuh
pawh lo hmang ta se, chumi password an type laia an keystroke a hriattheih
avangin awlsam tein chumi password chu a hriat theih mai thin ani. A aia ril
zawka han luh dawn chuan, chhiar tur tamtak a awm a, keylogger chuan computer
Operating System (Windows) leh Hardware (Keyboard) an inbiakna lo ngaihthla
anih avangin, hardware leh software keylogger a awm
Kan inven fimkhurna tur te :
1. Mobile leh internetah kan hriat chian loh website leh
advertisement link click loh emaw, thawndarh loh tur
2. Software pirated copy hman loh hram hram
tur.
3. Mobile leh computer software te a hun takah update
thin tur
4. Kan data pawimawh te hun bi nei taka
Pendrive leh Cloud ah backup thin tur.
5. A nazawng a internet online loh tur.
6. E mail regular taka chek a, message tul lo
delete zel tur. Tin, hriatchian loh message emaw, attachment hawn loh tur.
7. Mobile hmangtu ten data pawimawh te
regular taka backup thin tur.
8. Social media ah kan hriat chian loh midang
thawndarh mai mai loh tur
Website visitors ten Website hrang hrang kan
luh laia keimahni click ni miah lo va Computer screen a thuziak rawn lang
ve "pop-up Message " ang hian a rawn lang a Kan
computer-a Virus (Malware) paih bo tum ang takin “Clean Now”
“Remove all threats " tih thu te a rawn ziak thin. Hetiang han
hmuh hi chuan mi tam tak tak chuan awih loh a har si a, an thu zawm
a awl tak zet a ni. An thu zawm a han click veleh malware te chu tifai awmang
takin engemaw chen a hnu ah pawisa a rawn dil thin. Online transaction
hmangin mi Credit Card emaw atangin pawisa a lak mai bakah an Card information
a ru thin a, chumi information chu thil dang atan ahman turin a
khawlkhawm thin bawk a ni.
Tunlaiah internet hmangtu te khawvelah kan pung chho zel a,
ransomware hi chu virus chi khat a ni maia, Virus dang
hlauhawm tak tak a atam em em mai sia . Heivang hian cyber crime
tuartu kan ni thei vek tih hria ila. fimkhur tlang ang u khai.
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