Spyware and adware
- 1. Spyware and AdwareSpyware and Adware Presented By:Presented By: D.NaveenaD.Naveena 11731A051311731A0513
- 2. 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 hasHow to detect if your computer has Spyware/Adware?Spyware/Adware? What programs are there to help get rid ofWhat programs are there to help get rid of them?them? RecommendationsRecommendations
- 3. What is Spyware and Adware?What is Spyware and Adware? Both areBoth are independent programsindependent programs that can be automatically installedthat can be automatically installed when you surf the internet orwhen you surf the internet or when you install free software.when you install free software. MostMost adwareadware isis spywarespyware in ain a different sense than "advertising-different sense than "advertising- supported software," for asupported software," for a different reason: it displaysdifferent reason: it displays advertisements related to what itadvertisements related to what it finds from spying on you.finds from spying on you.
- 4. 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.
- 5. AdwareAdware is any software package which automatically plays,is any software package which automatically plays, displays, or downloads advertisements to a computer after thedisplays, 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 ofComes in the form of popupspopups and unexplainedand unexplained advertising programsadvertising programs on your computer.on your computer. Also aAlso a LEGAL programLEGAL program!! Adware are created byAdware are created by advertising companiesadvertising companies.. What is Adware?What is Adware?
- 6. Advertising companiesAdvertising companies hope to generate moneyhope to generate money from customers whofrom customers who receive thereceive the popupspopups oror unexplained programsunexplained programs onon their computers.their computers. Well-known adwareWell-known adware programs-programs- 123 Messenger123 Messenger AOL Instant MessengerAOL Instant Messenger DivXDivX Micro AntivirusMicro Antivirus RealPlayerRealPlayer
- 7. Routes of infectionRoutes of infection Spyware and Adware programs have a tendency to hide asSpyware and Adware programs have a tendency to hide as cookiecookie oror 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 byAnother way of distributing spyware involves tricking users by manipulating security featuresmanipulating security features designed to prevent unwanteddesigned to prevent unwanted installations.installations. In a few cases, aIn a few cases, a wormworm oror virusvirus has delivered ahas delivered a spyware payloadspyware payload.. Some attackers used the Spybot worm to install spyware that putSome attackers used the Spybot worm to install spyware that put pornographic pop-ups on the infected system's screen. Bypornographic pop-ups on the infected system's screen. By directing traffic to ads, the spyware-makers funds author ofdirecting traffic to ads, the spyware-makers funds author of website, which profits them personally.website, which profits them personally.
- 8. How to detect that your computer has spyware orHow to detect that your computer has spyware or adware…adware… ContinuousContinuous popupspopups.. PersistentPersistent changechange in yourin your homepagehomepage.. Slower computer processingSlower computer processing,, takes the computer longer totakes the computer longer to process or startup.process or startup.
- 9. Extreme symptoms of spyware or adware…Extreme symptoms of spyware or adware… A spyware program is rarelyA spyware program is rarely alone on a computer: an affectedalone on a computer: an affected machine usually hasmachine usually has multiplemultiple infectionsinfections.. Internet browserInternet browser does not start up.does not start up. Parts of your computer youParts of your computer you cannot access withoutcannot access without freezingfreezing.. Major core data isMajor core data is lostlost oror changedchanged..
- 10. What programs are there to help get rid ofWhat programs are there to help get rid of spyware/adwarespyware/adware?? Out of many programs out in the internet that wereOut of many programs out in the internet that were created to detect spyware/adware, four programscreated 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 AntiVirusSymantec AntiVirus Ad-aware 6.0Ad-aware 6.0
- 11. Spybot Search and DestroySpybot Search and Destroy Type: Spyware KillerType: Spyware Killer Advantages:Advantages: Has aHas a Recovery featureRecovery feature thatthat allows you to restore any filesallows you to restore any files you may be deleted infected withyou may be deleted infected with spywarespyware Has anHas an Immunity featureImmunity feature thatthat protects you from already knownprotects you from already known spywaresspywares Disadvantages:Disadvantages: Infrequent updates causeInfrequent updates cause spywares to slip past scans andspywares to slip past scans and immunityimmunity
- 12. Spy SweeperSpy Sweeper Type: Spyware/ Adware (FreeType: Spyware/ Adware (Free Version)Version) Advantages:Advantages: Has aHas a immunity shieldimmunity shield thatthat 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 withSweeper, it does not come with definition updates.definition updates. Comments:Comments: Effective program, onlyEffective program, only backdraw is the payment youbackdraw is the payment you need to make yearly to keep theneed to make yearly to keep the program updated.program updated.
- 13. Norton Symantec AntiVirusNorton Symantec AntiVirus Type: Virus/ Spyware/ AdwareType: Virus/ Spyware/ Adware Advantages:Advantages: Can detectCan detect virusesviruses,, hackinghacking programsprograms,, spyware programsspyware programs,, adware programsadware programs, etc., etc. Comes with a firewall.Comes with a firewall. Disadvantages:Disadvantages: Detects very fewDetects very few adware/spyware programsadware/spyware programs Very confusing to use.Very confusing to use. Comments:Comments: Norton Symantec still has waysNorton Symantec still has ways to go in detectingto go in detecting adware/spyware programsadware/spyware programs
- 14. Ad-aware 6.0Ad-aware 6.0 Type: AdwareType: Adware Advantages:Advantages: • EasyEasy to use scanning.to use scanning. • Detailed logs of where theDetailed logs of where the adware and spyware programsadware and spyware programs areare hiddenhidden.. Disadvantages:Disadvantages: • Ad-aware was built forAd-aware was built for adware, so its ability to catchadware, so its ability to catch spyware is restrictedspyware is restricted Comments:Comments: • Effective Program. A bit onEffective Program. A bit on thethe costlycostly side but its wellside but its well worth it.worth it.
- 15. RecommendationsRecommendations Preventing spyware and adware from getting onto your computerPreventing spyware and adware from getting onto your computer is your first step!is your first step! Do notDo not downloaddownload unnecessary software from theunnecessary software from the internet, especially free ones because they most likelyinternet, 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 confirmIf a download screen appears, asking you to confirm your download,your download, click noclick no if you are not trying to installif you are not trying to install anything.anything. Avoid clickingAvoid clicking advertised popupsadvertised popups especially ones thatespecially ones that mention “free” stuff if possible.mention “free” stuff if possible.
- 16. Recommendations contd..Recommendations contd.. Technical RecommendationsTechnical Recommendations Disable saving of temporary filesDisable saving of temporary files ConstantlyConstantly delete old temporary filesdelete old temporary files andand cookiescookies Always constantlyAlways constantly scanscan youryour computercomputer forfor adware and spyware and keep youradware and spyware and keep your Adware/Spyware killer programs fully updatedAdware/Spyware killer programs fully updated at all times.at all times.
- 17. 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.
Editor's Notes
- #5: The first recorded use of the term spyware occurred on October 16, 1995 in a Usenet post that poked fun at Microsoft's business model Spyware at first denoted hardware meant for espionage purposes.