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Spyware and Adware Spyware and Adware Presented By: Presented By: D.Naveena D.Naveena 11731A0513 11731A0513
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Page 1: Spyware and  adware

Spyware and AdwareSpyware and Adware

Presented By:Presented By:

D.NaveenaD.Naveena

11731A051311731A0513

Page 2: Spyware and  adware

ContentsContents

What is Spyware?What is Spyware? What is Adware?What is Adware? How does Spyware and Adware work?How does Spyware and Adware work? How to detect if your computer has How to detect if your computer has

Spyware/Adware?Spyware/Adware? What programs are there to help get rid of What programs are there to help get rid of

them?them? RecommendationsRecommendations

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What is Spyware and Adware?What is Spyware and Adware?

Both are Both are independent programsindependent programs that can be automatically installed that can be automatically installed when you surf the internet or when you surf the internet or when you install free software. when you install free software.

Most Most adwareadware is is spywarespyware in a in a different sense than "advertising-different sense than "advertising-supported software," for a supported software," for a different reason: it displays different reason: it displays advertisements related to what it advertisements related to what it finds from spying on you.finds from spying on you.

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What is Spyware?What is Spyware?

Spyware - is computer software which is installed surreptitiously on a personal computer; it takes partial control over the user's computer, without the user's informed consent.

Collect various types of personal information - such as Internet surfing habits, visited sites, can also interfere installing additional software and redirecting Web browser activity.

Spyware is known to change computer settings, resulting in slow connection speeds, loss of Internet or functionality of other programs.

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AdwareAdware is any software package which automatically plays, is any software package which automatically plays, displays, or downloads advertisements to a computer after the displays, or downloads advertisements to a computer after the software is installed on it or while the application is being used. software is installed on it or while the application is being used.

Comes in the form of Comes in the form of popupspopups and unexplained and unexplained

advertising programsadvertising programs on your computer. on your computer.

Also a Also a LEGAL programLEGAL program!!

Adware are created by Adware are created by advertising companiesadvertising companies..

What is Adware?What is Adware?

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Advertising companies Advertising companies hope to generate money hope to generate money from customers who from customers who receive the receive the popups popups or or unexplained programsunexplained programs on on their computers.their computers.

Well-known adware Well-known adware programs-programs-

123 Messenger 123 Messenger AOL Instant Messenger AOL Instant Messenger DivX DivX Micro Antivirus Micro Antivirus RealPlayerRealPlayerZango Zango

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Routes of infectionRoutes of infectionSpyware and Adware programs have a tendency to hide as Spyware and Adware programs have a tendency to hide as cookiecookie or or temporary internet filestemporary internet files..

Ways-Ways-Malicious websitesMalicious websites install spyware on readers' computers. install spyware on readers' computers.

Another way of distributing spyware involves tricking users by Another way of distributing spyware involves tricking users by manipulating security featuresmanipulating security features designed to prevent unwanted designed to prevent unwanted installations. installations.

In a few cases, aIn a few cases, a worm worm or or virusvirus has delivered a has delivered a spyware payloadspyware payload. . Some attackers used the Spybot worm to install spyware that put Some attackers used the Spybot worm to install spyware that put pornographic pop-ups on the infected system's screen. By pornographic pop-ups on the infected system's screen. By directing traffic to ads, the spyware-makers funds author of directing traffic to ads, the spyware-makers funds author of website, which profits them personally.website, which profits them personally.

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How to detect that your computer has spyware or How to detect that your computer has spyware or adware…adware…

Continuous Continuous popupspopups..

Persistent Persistent changechange in your in your homepagehomepage..

Slower computer processingSlower computer processing, , takes the computer longer to takes the computer longer to process or startup.process or startup.

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Extreme symptoms of spyware or adware…Extreme symptoms of spyware or adware…

A spyware program is rarely A spyware program is rarely alone on a computer: an affected alone on a computer: an affected machine usually has machine usually has multiple multiple infectionsinfections. .

Internet browserInternet browser does not start up. does not start up.

Parts of your computer you Parts of your computer you cannot access without cannot access without freezingfreezing..

Major core data isMajor core data is lost lost or or changedchanged..

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What programs are there to help get rid of What programs are there to help get rid of spyware/adwarespyware/adware??

Out of many programs out in the internet that were Out of many programs out in the internet that were created to detect spyware/adware, four programs created to detect spyware/adware, four programs were chosen for this presentation.. They are:were chosen for this presentation.. They are:

Spybot Search and DestroySpybot Search and Destroy

SpysweeperSpysweeper

Symantec AntiVirus Symantec AntiVirus

Ad-aware 6.0Ad-aware 6.0

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Spybot Search and DestroySpybot Search and Destroy

Type: Spyware Killer Type: Spyware Killer Advantages: Advantages: Has a Has a Recovery featureRecovery feature that that

allows you to restore any files allows you to restore any files you may be deleted infected with you may be deleted infected with spywarespyware

Has an Has an Immunity featureImmunity feature that that protects you from already known protects you from already known spywaresspywares

Disadvantages:Disadvantages: Infrequent updates cause Infrequent updates cause

spywares to slip past scans and spywares to slip past scans and immunityimmunity

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Spy SweeperSpy SweeperType: Spyware/ Adware (Free Type: Spyware/ Adware (Free Version)Version)Advantages: Advantages: Has a Has a immunity shieldimmunity shield that that

blocks known spywares.blocks known spywares.Disadvantages:Disadvantages: Takes a while to scan.Takes a while to scan. Unless you pay for the Spy-Unless you pay for the Spy-

Sweeper, it does not come with Sweeper, it does not come with definition updates.definition updates.

Comments:Comments: Effective program, only Effective program, only

backdraw is the payment you backdraw is the payment you need to make yearly to keep the need to make yearly to keep the program updated.program updated.

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Norton Symantec AntiVirusNorton Symantec AntiVirus

Type: Virus/ Spyware/ AdwareType: Virus/ Spyware/ AdwareAdvantages: Advantages:

Can detect Can detect virusesviruses, , hacking hacking programsprograms, , spyware programsspyware programs, , adware programsadware programs, etc. , etc. Comes with a firewall.Comes with a firewall.

Disadvantages:Disadvantages:Detects very few Detects very few adware/spyware programsadware/spyware programsVery confusing to use.Very confusing to use.

Comments:Comments:Norton Symantec still has ways Norton Symantec still has ways to go in detecting to go in detecting adware/spyware programsadware/spyware programs

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Ad-aware 6.0Ad-aware 6.0Type: AdwareType: AdwareAdvantages: Advantages:

• EasyEasy to use scanning. to use scanning. • Detailed logs of where the Detailed logs of where the

adware and spyware programs adware and spyware programs are are hiddenhidden..

Disadvantages:Disadvantages:• Ad-aware was built for Ad-aware was built for

adware, so its ability to catch adware, so its ability to catch spyware is restrictedspyware is restricted

Comments:Comments:• Effective Program. A bit on Effective Program. A bit on

the the costlycostly side but its well side but its well worth it. worth it.

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RecommendationsRecommendations

Preventing spyware and adware from getting onto your computer Preventing spyware and adware from getting onto your computer is your first step!is your first step!

Do notDo not download download unnecessary software from the unnecessary software from the internet, especially free ones because they most likely internet, especially free ones because they most likely have adware or spyware inside them. have adware or spyware inside them.

If a download screen appears, asking you to confirm If a download screen appears, asking you to confirm your download, your download, click noclick no if you are not trying to install if you are not trying to install anything.anything.

Avoid clicking Avoid clicking advertised popupsadvertised popups especially ones that especially ones that mention “free” stuff if possible.mention “free” stuff if possible.

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Recommendations contd..Recommendations contd.. Technical RecommendationsTechnical Recommendations

Disable saving of temporary filesDisable saving of temporary files Constantly Constantly delete old temporary filesdelete old temporary files and and cookiescookiesAlways constantlyAlways constantly scan scan your your computercomputer for for adware and spyware and keep your adware and spyware and keep your Adware/Spyware killer programs fully updated Adware/Spyware killer programs fully updated at all times. at all times.

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ConclusionConclusion

Unfortunately, spyware and adware aren't going away any time soon. But you can take control by deciding what gets in, what stays out, and what remains on your computer.

Page 18: Spyware and  adware