ISSN (PRINT): 2393-8374, (ONLINE): 2394-0697, VOLUME-4, ISSUE-10, 2017
103
CYBER SECURITY (CASE STUDY)
Gaurav Kumar Sharma
B.Tech, Student, Dept. of CSE, Quantum School of Technology, Roorkee, Uttarakhand India
Abstract
Nowadays cybercrime is common problem of
this world. Crime committed using a
computer and the internet to steal a person’s
identity or illegal imports or malicious
programs cybercrime is nothing but where
the computer used as an object or subject of
crime. To protect this issue we have Cyber
Security. Sometimes the security is not good.
It break by attackers, Here in this paper,
consider a case study of attacks what was the
cause or vulnerability of the System who were
Victim. Mainly ransomware attacks.
Keywords: Cybercrime, Cyber Security,
malicious, Attacker, Vulnerability, Victim,
ransomware.
I.
I
NTRODUCTION
Ransomware is a malicious code that is used by
cybercriminals to launch data kidnapping and
lock screen attacks. The motive for ransomware
attacks is monetary, and unlike other types of
attacks. The victim is usually notified that an
exploit has occurred and is given instructions for
how to recover from the attack. Payment is often
demanded in virtual currency to protect the
criminal’s identity. Ransomware malware can be
spread through malicious e-mail attachments,
infected software apps, infected external storage
devices and compromised websites. In a lock
screen attack, the malware may change the
victim’s login credentials for a computing
device; in a data kidnapping attack, the malware
may encrypt files on the infected device as well
as other connected network devices [1].
Types of Ransomware Known:
Till now 12 Ransomware identified [3]:
1. Goldeneye - taking parts of Ukraine
offline.
2. WannaCry -decrypt0r wreaks havoc on
NHS England.
3. Crypto Locker – where ransomware took
off
4. Locky - well engineered, ruthless, clever
5. Petya - locking down the whole system
6. Crysis - Locky copycat with big
ambitions
7. zCrypt – ransomware that behaves like a
virus
8. PowerWare – PowerShell hijacker
9. HydraCrypt – ransomware can be beaten
10. Cerber – ransomware-as-a-service
11. RAA ransomware – ransomware meets
JavaScript
12. Crypto Wall – it’s everywhere
II.
FACTS
ABOUT
RANSOMWARE
[2]
Typical ransomware software uses RSA 2048
encryption to encrypt files. Just to give you an
idea of how strong, this is, an average desktop
computer is estimated to take around 6.4
quadrillion years to crack an RSA 2048 key.
Crypto Locker was followed up by the variant
Crypto Wall, which made $325 million dollars in
18 months, half of that in the United States. By
now there are thousands of ransomware victims,
including a New Jersey School district, police
departments in Maine, Massachusetts &
Chicago.
III.
SYSTEM
AFFECTED
FROM
RANSOMWARE
(WANNACRY)
2017
Windows XP, Windows 8, and Windows Server
2003,Windows Vista, Windows Server 2008,
Windows 7, Windows Server 2008 R2, Windows
8.1, Windows Server 2012, Windows 10,
Windows Server 2012 R2, Windows Server
2016.
After system got affected from wannacry
ransomware Microsoft release the patch for the
system which have Outdated security.[4]
