Page 17 - Computer Genius Class 06
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Code Red Worm 2 1 ould spread itsel ith the message ac ed y hinese
MyDoom Worm (2004) scraped addresses from infected machines, then sent copies of itself to
those addresses.
Storm Worm 2 attac ed millions o computers ith an email a out approaching ad
weather.
Zeus, also known as Zbot Trojan horse 2 as made ith an intention to steal an ing
information of United States Department of Transportation.
Emotet 2 1 is considered one o the most destructi e and dangerous Tro ans. t spreads
through spam emails to steal banking information.
Pegasus (2016) is commercial spyware. It secretly infects a smartphone (Android or iOS) and
trac s the de ice completely or e ery action.
Harms Caused by Computer Malware
ifferent mal ares ill affect your computer in different ays.
They can crash your hard disk.
They can destroy all or some of your data.
They can decrease the processing speed of the computer.
They can reduce or block the memory of the computer or hard disk.
They can stop you from restarting your computer or keep on restarting your computer.
They can send e-mails from your account without your knowledge.
How does a Computer get infected?
omputer mal ares spread through se eral ays. ome o them are
using in ected tenal ard is en dri es
opening an infected e-mail attachment
do nloading an in ected program rom nternet or ternal ard is en dri es
running an in ected program hich can e a game screen sa er etc.
through local computer networks
en dri e e-mail Computer game
Safeguarding Your Computer 15

