Virus, Trojan Horse, Worms list for letter "S" and removal tools

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Computer Virus and Computer Worms
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	Virus Computer Threats

Modern Diseases: Computer Viruses and Virus Treatment

By Ted Jockey

Computer Virus and Computer Worms and Definitions

Starting with S

Here is the difference between Virus, Worms and a Trojan Horse

Trojan Horse

Trojan horses are impostors—files that claim to be something desirable but, in fact, are malicious. A very important distinction between Trojan horse programs and true viruses is that they do not replicate themselves. Trojan horses contain malicious code that when triggered cause loss, or even theft, of data. For a Trojan horse to spread, you must invite these programs onto your computers; for example, by opening an email attachment or downloading and running a file from the Internet. Trojan.Vundo is a Trojan horse.

Worms

Worms are programs that replicate themselves from system to system without the use of a host file. This is in contrast to viruses, which requires the spreading of an infected host file. Although worms generally exist inside of other files, often Word or Excel documents, there is a difference between how worms and viruses use the host file. Usually the worm will release a document that already has the "worm" macro inside the document. The entire document will travel from computer to computer, so the entire document should be considered the worm W32.Mydoom.AX@mm is an example of a worm

Computer Virus

A computer virus is a small program written to alter the way a computer operates, without the permission or knowledge of the user. A virus must meet two criteria:

It must execute itself. It often places its own code in the path of execution of another program.

It must replicate itself. For example, it may replace other executable files with a copy of

the virus infected file. Viruses can infect desktop computers and network servers alike.

Some viruses are programmed to damage the computer by damaging programs, deleting files, or reformatting the hard disk. Others are not designed to do any damage, but simply to replicate themselves and make their presence known by presenting text, video, and audio messages. Even these benign viruses can create problems for the computer user. They typically take up computer memory used by legitimate programs. As a result, they often cause erratic behavior and can result in system crashes. In addition, many viruses are bug-ridden, and these bugs may lead to system crashes and data loss.

At the end of the list of PC Virus, Trojans and Worms is a list of the Five Types of Viruses. Symantec AntiVirus can detect and clean, from your PC, any Virus, Trojan or Worm on this list.

This article is detailed in full on the Symantec Home Page.

Virus Threats starting with “S”

SadCase.Trojan Trojan Horse
SafeandClean Other
SaferScan Other
sampo Virus
Sandman hoax Hoax
Sarampo.1371 Virus
SARC Virus Test Hoax Hoax
Sat_Bug.Natas Virus
SB.Starbugs Virus
SB.Stardust.A!int Virus
ScanandRepair Other
Scores Virus
Scoutshacker Hoax Hoax

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Screaming_Fist.II.696 Virus
Security Risk General Information
SecurityRisk.Aports Other
SecurityRisk.Aports.dr Other
SecurityRisk.BrosExt Other
SecurityRisk.ClubPoker Other
SecurityRisk.DirectIP Other
SecurityRisk.Downldr Other
SecurityRisk.Dropper Other
SecurityRisk.eGatherer Other
SecurityRisk.First4DRM Security Risk Removal Tool Other
SecurityRisk.HubSafe Other
SecurityRisk.IdleUI Other
SecurityRisk.IISPriv Other
SecurityRisk.LanHelper Other
SecurityRisk.LowZones Other
SecurityRisk.MatrixSS Other
SecurityRisk.NavHelper Other

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SecurityRisk.Pacer Other
Securityrisk.Proxybar Other
SecurityRisk.QD2 Other
SecurityRisk.ScanToy Other
SecurityRisk.Settec Other
SecurityRisk.SexxPass Other
SennaSpy Generator Trojan Horse
Septer.Trojan Trojan Horse
Serbian.Trojan Trojan Horse
SGH.949 Virus
SH.Renepo.B Virus
SH.Sizer Virus
SheHas Virus
Sibylle Virus
SillyC.157.b Virus
SillyC.159 Virus

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SillyC.160 Virus
SillyC.189.ow Virus
SillyC.200.e Virus
SillyC.512 Virus
Sillyc.gen Virus
Silva.476 Virus
Simon Pugh Hoax
Simple.1500 Virus
Simpsons.Trojan Trojan Horse
Siteno.Trojan Trojan Horse
Slavemaster Hoax
Sleep_Walker.1266 Virus
Small_comp.100 Virus
SMEG.Pathogen Virus
Smurf DoS Attack General Information
Snob.IRCworm Worm
Snow.299 Virus
Softstop Other

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Solaris.DDoS.Mstream Trojan Horse
South Park News Letter Hoax Hoax
Span.1127 Virus
Spanska.1120 Virus
Spanska.4250 Virus
Spyaxe Other
SpyBlocs Other
SpyBouncer Other
SpyDestroy Other
SpyFighter Other
SpyGuardianPro Other
SpySheriff Other
SpySpotter Other
Spyviper Other
Spyware.007Spy Spyware
Spyware.2020search Spyware
Spyware.2Spy Spyware
Spyware.ABCKeylogger Spyware

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Spyware.AbsoluteKey Spyware
Spyware.ABSystemSpy Spyware
Spyware.AceScreenSpy Spyware
Spyware.AceSpy Spyware
Spyware.Acext Spyware
Spyware.ACM Spyware
Spyware.ActiveKeylog Spyware
Spyware.ActivityKey Spyware
Spyware.ActivityLog Spyware
Spyware.ActivMonAgent Spyware
Spyware.ActMon Spyware
Spyware.ActualNames Other Spyware
Spyware.ActualSpy Spyware
Spyware.AdvancedKey Spyware
Spyware.AIOLogger Spyware
Spyware.AllInOne Spyware
Spyware.AppsTraka Spyware
Spyware.Apropos Security Risk Removal Tool Spyware
Spyware.Apropos.C Spyware
Spyware.Arau Spyware
Spyware.Ardakey Spyware
Spyware.Ardakey.B Spyware

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Spyware.Ashlt Spyware
Spyware.ASObserver Spyware
Spyware.AtWinspy - Spyware
Spyware.BEverywhere Spyware
Spyware.BeyondKeylog Spyware
Spyware.Blackbox Spyware
Spyware.Blacklog Spyware
Spyware.Boolospy Spyware
Spyware.BossEye Spyware
Spyware.BrowserSpy Spyware
Spyware.Busted Spyware
Spyware.Canary Spyware
Spyware.ChatBlocker Spyware
Spyware.ChatWatch Spyware
Spyware.ClientMan Spyware
Spyware.CMK Spyware
Spyware.CMKeyLogger Spyware
Spyware.CometCursor Spyware
Spyware.ComKeylogger Spyware
Spyware.ComSpySysSvr Spyware
Spyware.ComSurveilSys Spyware
Spyware.CUseReporter Spyware
Spyware.CWSAddClass Spyware

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Spyware.CWSAddClass.B Spyware
Spyware.CWSMil Spyware
Spyware.CyberPredator Spyware
Spyware.Deskadv Spyware
Spyware.DesktopD Spyware
Spyware.DesktopScout Spyware
Spyware.DesktopSnooper Spyware
Spyware.DesktopSpy Spyware
Spyware.DigitalNames Spyware
Spyware.Dlder Spyware
Spyware.Dotcomtoolbar Security Risk Removal Tool Spyware
Spyware.DsktopSurveil Spyware
Spyware.DSpy Spyware
Spyware.e2give Spyware
Spyware.Earspy Spyware
Spyware.EasyKeyLogger Spyware
Spyware.Eblaster Spyware
Spyware.ElfSpy Spyware
Spyware.Elgolf Spyware
Spyware.EliteKeylogger Spyware
Spyware.ElpowKey!grp0 Spyware

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Spyware.ElpowKeylogger Spyware
Spyware.EmailObserver Spyware
Spyware.EmailSpy Spyware
Spyware.EmployeeWatch Spyware
Spyware.ESP Spyware
Spyware.Espion Spyware
Spyware.eSpyNow Spyware
Spyware.ESurveiller Spyware
Spyware.ExploitChildWD Spyware
Spyware.EyeCandyMon Spyware
Spyware.EyeSpyPro Spyware
Spyware.EZKeylogger Spyware
Spyware.Ezurl Spyware
Spyware.FamilyCam Spyware
Spyware.FamilyKeylog Spyware
Spyware.Farsighter Spyware
Spyware.Fingerprints Spyware
Spyware.FlexiSpy Spyware
Spyware.GhostKeyLog Spyware
Spyware.Ghostlog Spyware
Spyware.GiveMeToo Spyware

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Spyware.Goidr Spyware
Spyware.GoldenEye Spyware
Spyware.GoldenKeylog Spyware
Spyware.GuardMon Spyware
Spyware.GURLWatcher Spyware
Spyware.HackerWacker Spyware
Spyware.HandyKeylogger Spyware
Spyware.HiddenCamera Spyware
Spyware.HiddenRecorder Spyware
Spyware.HomeKeyLogger Spyware
Spyware.Hotra Spyware
Spyware.HSLABLogger Spyware
Spyware.IamBigBrother Spyware
Spyware.iCam Spyware
Spyware.IEToolbar Spyware
Spyware.IEWatcher Spyware
Spyware.iiPwrKeySpy Spyware
Spyware.IkitecKL Spyware
Spyware.IMSurfSentinel Spyware

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Spyware.InlookExpress Spyware
Spyware.Intelliflag Spyware
Spyware.InternetSpy Spyware
Spyware.InTheKnow Spyware
Spyware.Intraspy Spyware
Spyware.Intruder Spyware
Spyware.InvisibleASpy Spyware
Spyware.InvisibleKey Spyware
Spyware.InvisibleKey.B Spyware
Spyware.InvisibleKey.C Spyware
Spyware.iProtectYou Spyware
Spyware.ISearch Spyware
Spyware.ISpy Spyware
Spyware.ISpynow Spyware
Spyware.Jgidol Spyware
Spyware.KBGuardian Spyware
Spyware.KBMonitor Spyware
Spyware.KeyboardLogger Spyware
Spyware.KeyCaptor Spyware
Spyware.KeyCollect Spyware

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Spyware.KeyKey Spyware
Spyware.Keylogger Spyware
Spyware.KeyLoggerExp Spyware
Spyware.KeyLoggerPro Spyware
Spyware.KeyLover Spyware
Spyware.KeySleuth Spyware
Spyware.Keyspy Spyware
Spyware.KeySpyware Spyware
Spyware.KeyThief Spyware
Spyware.KeyTrap Spyware
Spyware.KGBSpy Spyware
Spyware.KidLogger Spyware
Spyware.KsLogger Spyware
Spyware.Looxee Spyware
Spyware.LoverSpy Spyware
Spyware.LympexPcSpy Spyware
Spyware.MagPlayer Spyware

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Spyware.MailRedirector Spyware
Spyware.Manan Spyware
Spyware.Marketscore Spyware
Spyware.MateWatcher Spyware
Spyware.MDetect Spyware
Spyware.MessageSpy Spyware
Spyware.MiniKeylogger Spyware
Spyware.ModemSpy Spyware
Spyware.Mom Spyware
Spyware.MSNChatSniffer Spyware
Spyware.MSNPAnalyzer Spyware
Spyware.MsnSniffer Spyware
Spyware.MyLittleSpy Spyware
Spyware.NetMama Spyware
Spyware.NetMonitor Spyware

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Spyware.Netobserve Spyware
Spyware.Netrat Spyware
Spyware.NetSpy Spyware
Spyware.NetVizor Spyware
Spyware.NiceSpy Spyware
Spyware.NSKeyLogger Spyware
Spyware.NTLogonCapture Spyware
Spyware.OverSpy Spyware
Spyware.PaqKeylog Spyware
Spyware.ParentTools Spyware
Spyware.PCAcme Spyware
Spyware.PCAcme.B Spyware
Spyware.Pcaudit Spyware
Spyware.PcController Spyware
Spyware.PCDetective Spyware
Spyware.PCMonitor Spyware
Spyware.PCParent Spyware
Spyware.PCPolice Spyware

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Spyware.PCProwler Spyware
Spyware.PCSpy Spyware
Spyware.PCSpyKeyLogger Spyware
Spyware.PCSuperSpy Spyware
Spyware.PCTattletale Spyware
Spyware.PCWatch Spyware
Spyware.Perez Spyware
Spyware.Perfect Spyware
Spyware.PersonInspect Spyware
Spyware.PowerSearch Spyware
Spyware.PowerSpy Spyware
Spyware.PrintMonitor Spyware
Spyware.PrivateEye Spyware
Spyware.Probot Spyware
Spyware.Probotse Spyware
Spyware.QuickKeylogger Spyware
Spyware.QuickLaunch Spyware
Spyware.QuickSearch Spyware
Spyware.Realspy Spyware

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Spyware.Recon Spyware
Spyware.Redhanded Spyware
Spyware.Relevancy Spyware
Spyware.RemoteKey Spyware
Spyware.RemPSteal Spyware
Spyware.Sa_PCSpy Spyware
Spyware.Sa_PCSpy.b Spyware
Spyware.SafeSurfing Spyware
Spyware.SaveKeys Spyware
Spyware.SaveMyWork Spyware
Spyware.SCKeyLogger Security Risk Removal Tool Spyware
Spyware.Screenspy Spyware
Spyware.ScreenView Spyware
Spyware.SearchPounder Spyware
Spyware.SecondSight Spyware
Spyware.Seekseek Spyware
Spyware.SentinelX Spyware

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Spyware.Sesui Spyware
Spyware.SherlockKeylog Spyware
Spyware.Shopnav Spyware
Spyware.SilentSpy Spyware
Spyware.SKIn Spyware
Spyware.SmartBrowse Spyware
Spyware.SmartKeyLogger Spyware
Spyware.SmokingGun Spyware
Spyware.SnapKey Spyware
Spyware.SniperSpy Spyware
Spyware.Snoop Spyware
Spyware.SolidKeyLogger Spyware
Spyware.Spagent Spyware
Spyware.Spector Spyware
Spyware.Spectre Spyware
Spyware.Spie Spyware
Spyware.Spy-Guard Spyware
Spyware.Spy4PC Spyware
Spyware.SpyAll Spyware

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Spyware.SpyAOL Spyware
Spyware.SpyArsenalLog Spyware
Spyware.SpyAssault Spyware
Spyware.SpyBuddy Spyware
Spyware.SpyCapture Spyware
Spyware.SpyClock Spyware
Spyware.SpyGator Spyware
Spyware.SpyGraphica Spyware
Spyware.SpyKeylogger Spyware
Spyware.SpyKeySpy Spyware
Spyware.SpyLantern Spyware
Spyware.SpyloPCMonitor Spyware
Spyware.SpymodePCSpy Spyware
Spyware.SpyMyPC Spyware
Spyware.SpyOutside Spyware
Spyware.SpyPc Spyware
Spyware.Spytech Spyware
Spyware.Spytech.B Spyware
Spyware.Spytector Spyware

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Spyware.Ssppyy Spyware
Spyware.StaffCop Spyware
Spyware.STAR Spyware
Spyware.Starr Spyware
Spyware.StatWin Spyware
Spyware.StealthKeylog Spyware
Spyware.StealthKeySpy Spyware
Spyware.StealthLogger Spyware
Spyware.StealthWeblog Spyware
Spyware.StealthWebPage Spyware
Spyware.StingKeyLogger Spyware
Spyware.Supaseek Spyware
Spyware.SuperKeylogger Spyware
Spyware.Supremespy Spyware
Spyware.Surfcomp Spyware
Spyware.SurfingSpy Spyware
Spyware.SurfSpy Spyware
Spyware.SysKeylog Spyware

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Spyware.SystemSleuth Spyware
Spyware.SystemSleuth Spyware
Spyware.SystemSpy Spyware
Spyware.Systemsurv Spyware
Spyware.TAFbar Spyware
Spyware.Teensearch Spyware
Spyware.TinyKeylogger Spyware
Spyware.TinySpyAgent Spyware
Spyware.TotalSpy Spyware
Spyware.Track4Win Spyware
Spyware.TrafficAccProc Spyware
Spyware.TrueActive Spyware
Spyware.TrustyHound Spyware
Spyware.TwoSeven Spyware
Spyware.TypeRecorder Spyware
Spyware.UltraKeyboard Spyware
Spyware.UltraKeylogger Spyware
Spyware.Ultraview Spyware
Spyware.UserLogger Spyware

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Spyware.Vipsearcher Spyware
Spyware.Visage Spyware
Spyware.WALogger Spyware
Spyware.Watchdog Spyware
Spyware.Watcher Spyware
Spyware.WatchRight Spyware
Spyware.WebMailSpy Spyware
Spyware.WebPI Spyware
Spyware.Websnitch Spyware
Spyware.WebSurfWatch Spyware
Spyware.WindowsKey Spyware
Spyware.WinGuardian Spyware
Spyware.WinKeyG Spyware
Spyware.WinLogger Spyware
Spyware.WinRecon Spyware
Spyware.WinSpy Spyware
Spyware.Wintective Spyware
Spyware.Winvest Spyware
Spyware.WinWhatWhere Spyware
Spyware.Wiretap Spyware

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Spyware.WSLogger Spyware
Spyware.XpcSpy Spyware
Spyware.XPKey Spyware
Spyware.XPSpy Spyware
Spyware.YKPMD Spyware
Spyware.zSearch Spyware
SpywareBomber Other
SpywareCleaner Other
SpywareHound Other
SpywareQuake Other
SpywareRemovalWizard Other
SpywareStormer Other
SpywareStrike Other
Stealth_Boot.B Virus
Steroid Trojan Horse
Stoned.16.A Virus
Stoned.Angelina Virus
Stoned.Azusa Virus
Stoned.Bravo Virus
Stoned.Bunny Virus

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Stoned.Daniela Virus
Stoned.Dinamo Virus
Stoned.Empire.Monkey Virus
Stoned.June_4th Virus
Stoned.Kiev Virus
Stoned.Manitoba Virus
Stoned.Michelangelo Virus
Stoned.No_Int Virus
Stoned.NOP Virus
Stoned.Spirit Virus

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Stoned.Standard Virus
Stoned.Swedish_Disaster Virus
Stoned.W-Boot Virus
SubSeven 2.1 Server Trojan Horse
SULFNBK.EXE Warning Hoax
SVC.3112 Virus
Swaffer.Exploit Trojan Horse
Swporta.Trojan Trojan Horse
Symantec ASDL Virus Hoax Hoax
Symantec Home Page Assistance General Information
Symantec Mobile Threats Removal Tool Removal Information
Symantec Support Tool ActiveX Control Cleanup Tool Removal Information
SymbOS.Appdisabler.J Trojan Horse
SymbOS.Appdisabler.K Trojan Horse
SymbOS.Appdisabler.L Trojan Horse
SymbOS.Appdisabler.M Trojan Horse
SymbOS.Appdisabler.N Trojan Horse
SymbOS.Appdisabler.O Trojan Horse
SymbOS.Appdisabler.P Trojan Horse
SymbOS.Appdisabler.Q Trojan Horse
SymbOS.Blankfont.A Trojan Horse
SymbOS.Bootton.E Trojan Horse

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SymbOS.Bootton.F Trojan Horse
SymbOS.Cabir Worm
SymbOS.Cabir.B Worm
SymbOS.Cabir.C Worm
SymbOS.Cabir.D Worm
SymbOS.Cabir.E Worm
SymbOS.Cabir.F Worm
SymbOS.Cabir.G Worm
SymbOS.Cabir.H Worm
SymbOS.Cabir.I Worm
SymbOS.Cabir.J Worm
SymbOS.Cabir.K Worm
SymbOS.Cabir.L Worm
SymbOS.Cabir.M Worm
SymbOS.Cabir.N Worm
SymbOS.Cabir.O Worm
SymbOS.Cabir.P Worm

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SymbOS.Cabir.Q Worm
SymbOS.Cabir.R Worm
SymbOS.Cabir.S Worm
SymbOS.Cabir.T Worm
SymbOS.Cabir.U Worm
SymbOS.Cabir.V Worm
SymbOS.Cabir.W Worm
SymbOS.Cabir.X Worm
SymbOS.Cardblock.A Trojan Horse
SymbOS.Cardtrp.A Trojan Horse
SymbOS.Cardtrp.AA Trojan Horse
SymbOS.Cardtrp.AB Trojan Horse
SymbOS.Cardtrp.AC Trojan Horse
SymbOS.Cardtrp.AD Trojan Horse
SymbOS.Cardtrp.AE Trojan Horse
SymbOS.Cardtrp.AF Trojan Horse
SymbOS.Cardtrp.AG Trojan Horse
SymbOS.Cardtrp.AH Trojan Horse

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SymbOS.Cardtrp.B Trojan Horse
SymbOS.Cardtrp.C Trojan Horse
SymbOS.Cardtrp.F Trojan Horse
SymbOS.Cardtrp.G Trojan Horse
SymbOS.Cardtrp.H Trojan Horse
SymbOS.Cardtrp.I Trojan Horse
SymbOS.Cardtrp.J Trojan Horse
SymbOS.Cardtrp.K Trojan Horse
SymbOS.Cardtrp.L Trojan Horse
SymbOS.Cardtrp.M Trojan Horse
SymbOS.Cardtrp.N Trojan Horse
SymbOS.Cardtrp.O Trojan Horse
SymbOS.Cardtrp.P Trojan Horse
SymbOS.Cardtrp.Q Trojan Horse
SymbOS.Cardtrp.R Trojan Horse
SymbOS.Cardtrp.S Trojan Horse
SymbOS.Cardtrp.T Trojan Horse
SymbOS.Cardtrp.U Trojan Horse
SymbOS.Cardtrp.V Trojan Horse
SymbOS.Cardtrp.W Trojan Horse

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SymbOS.Cardtrp.X Trojan Horse
SymbOS.Cardtrp.Y Trojan Horse
SymbOS.Cardtrp.Z Trojan Horse
SymbOS.Cdropper.B Trojan Horse
SymbOS.Cdropper.C Trojan Horse
SymbOS.Cdropper.D Trojan Horse
SymbOS.Cdropper.E Trojan Horse
SymbOS.Cdropper.F Trojan Horse
SymbOS.Cdropper.G Trojan Horse
SymbOS.Cdropper.H Trojan Horse
SymbOS.Cdropper.I Trojan Horse
SymbOS.Cdropper.J Trojan Horse
SymbOS.Cdropper.K Trojan Horse
SymbOS.Cdropper.L Trojan Horse
SymbOS.Cdropper.M Trojan Horse
SymbOS.Cdropper.N Trojan Horse
SymbOS.Cdropper.O Trojan Horse
SymbOS.Cdropper.P Trojan Horse
SymbOS.Cdropper.Q Trojan Horse
SymbOS.Cdropper.R Trojan Horse

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SymbOS.Cdropper.S Trojan Horse
SymbOS.Commdropper.A Trojan Horse
SymbOS.Commdropper.B Trojan Horse
SymbOS.Commdropper.C Trojan Horse
SymbOS.Commdropper.D Trojan Horse
SymbOS.Commdropper.E Trojan Horse
SymbOS.Commdropper.F Trojan Horse
SymbOS.Commdropper.G Trojan Horse
SymbOS.Commdropper.H Trojan Horse
SymbOS.Commwarrior.A Worm
SymbOS.Commwarrior.B Worm
SymbOS.Commwarrior.C Worm
SymbOS.Commwarrior.D Worm
SymbOS.Commwarrior.E Worm
SymbOS.Commwarrior.F Worm
SymbOS.Commwarrior.G Worm
SymbOS.Commwarrior.H Worm
SymbOS.Commwarrior.I Worm

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SymbOS.Commwarrior.J Worm
SymbOS.Commwarrior.K Worm
SymbOS.Commwarrior.L Worm
SymbOS.Commwarrior.M Worm
SymbOS.Commwarrior.N Worm
SymbOS.Dampig.A Trojan Horse
SymbOS.Dampig.B Trojan Horse
SymbOS.Dampig.C Trojan Horse
SymbOS.Dampig.D Trojan Horse
SymbOS.Doomboot.A Trojan Horse
SymbOS.Doomboot.B Trojan Horse
SymbOS.Doomboot.C Trojan Horse
SymbOS.Doomboot.D Trojan Horse
SymbOS.Doomboot.E Trojan Horse
SymbOS.Doomboot.F Trojan Horse
SymbOS.Doomboot.G Trojan Horse
SymbOS.Doomboot.M Trojan Horse
SymbOS.Doomboot.N Trojan Horse
SymbOS.Doomboot.P Trojan Horse
SymbOS.Doomboot.Q Trojan Horse
SymbOS.Doomboot.R Trojan Horse

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SymbOS.Doomboot.S Trojan Horse
SymbOS.Doomboot.T Trojan Horse
SymbOS.Doomboot.U Trojan Horse
SymbOS.Doomboot.V Trojan Horse
SymbOS.Doomboot.W Trojan Horse
SymbOS.Doomboot.X Trojan Horse
SymbOS.Drever.A Trojan Horse
SymbOS.Drever.B Trojan Horse
SymbOS.Drever.C Trojan Horse
SymbOS.Drever.D Trojan Horse
SymbOS.Dropper.A Trojan Horse
SymbOS.Flerprox.A Trojan Horse
SymbOS.Fontal.A Trojan Horse
SymbOS.Fontal.B Trojan Horse
SymbOS.Fontal.C Trojan Horse
SymbOS.Fontal.D Trojan Horse
Symbos.Fontal.E Trojan Horse
SymbOS.Hidmenu.A Trojan Horse
SymbOS.Hobbes.A Trojan Horse
SymbOS.Lasco.A Virus Worm
SymbOS.Locknut Trojan Horse
SymbOS.Mabir Worm

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SymbOS.Mabir.B Trojan Horse
SymbOS.Mabtal.A Trojan Horse
SymbOS.Mabtal.B Trojan Horse
SymbOS.MGDropper Trojan Horse
SymbOS.Pbstealer.A Trojan Horse
SymbOS.Pbstealer.B Trojan Horse
SymbOS.Pbstealer.C Trojan Horse
SymbOS.Pbstealer.D Trojan Horse
SymbOS.RommWar.A Trojan Horse
SymbOS.RommWar.B Trojan Horse
SymbOS.RommWar.C Trojan Horse
SymbOS.RommWar.D Trojan Horse
SymbOS.Romride.A Trojan Horse
SymbOS.Romride.B Trojan Horse
SymbOS.Romride.C Trojan Horse
SymbOS.Romride.D Trojan Horse
SymbOS.Romride.E Trojan Horse
SymbOS.Romride.F Trojan Horse
SymbOS.Romride.G Trojan Horse
SymbOS.Romride.H Trojan Horse

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SymbOS.Romride.I Trojan Horse
SymbOS.Romride.J Trojan Horse
SymbOS.Ruhag.C Trojan Horse
SymbOS.Ruhag.D Trojan Horse
SymbOS.Ruhag.E Trojan Horse
SymbOS.Sendtool.A Trojan Horse
SymbOS.Skulls Trojan Horse
SymbOS.Skulls.B Trojan Horse
SymbOS.Skulls.C Trojan Horse
SymbOS.Skulls.D Trojan Horse
SymbOS.Skulls.E Trojan Horse
SymbOS.Skulls.F Trojan Horse
SymbOS.Skulls.G Trojan Horse
SymbOS.Skulls.H Trojan Horse
SymbOS.Skulls.I Trojan Horse
SymbOS.Skulls.J Trojan Horse
SymbOS.Skulls.K Trojan Horse
SymbOS.Skulls.L Trojan Horse
SymbOS.Skulls.N Trojan Horse
SymbOS.Skulls.O Trojan Horse

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SymbOS.Skulls.P Trojan Horse
SymbOS.Skulls.Q Trojan Horse
SymbOS.Skulls.R Trojan Horse
SymbOS.Stealwar.A Trojan Horse
SymbOS.Stealwar.B Trojan Horse
SymbOS.Stealwar.C Trojan Horse
SymbOS.Stealwar.D Trojan Horse
SymbOS.Stealwar.E Trojan Horse
SymbOS.Stealwar.F Trojan Horse
SystemDoctor Other

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Five recognized types of viruses

File infector viruses
File infector viruses infect program files. These viruses normally infect executable code, such as .com and .exe files. The can infect other files when an infected program is run from floppy, hard drive, or from the network. Many of these viruses are memory resident. After memory becomes infected, any noninfected executable that runs becomes infected. Examples of known file infector viruses include Jerusalem and Cascade.
Boot sector viruses
Boot sector viruses infect the system area of a disk; that is, the boot record on floppy disks and hard disks. All floppy disks and hard disks (including disks containing only data) contain a small program in the boot record that is run when the computer starts up. Boot sector viruses attach themselves to this part of the disk and activate when the user attempts to start up from the infected disk. These viruses are always memory resident in nature. Most were written for DOS, but, all PCs, regardless of the operating system, are potential targets of this type of virus. All that is required to become infected is to attempt to start up your computer with an infected floppy disk Thereafter, while the virus remains in memory, all floppy disks that are not write protected will become infected when the floppy disk is accessed. Examples of boot sector viruses are Form, Disk Killer, Michelangelo, and Stoned.
Master boot record viruses
Master boot record viruses are memory-resident viruses that infect disks in the same manner as boot sector viruses. The difference between these two virus types is where the viral code is located. Master boot record infectors normally save a legitimate copy of the master boot record in an different location. Windows NT computers that become infected by either boot sector viruses or master boot sector viruses will not boot. This is due to the difference in how the operating system accesses its boot information, as compared to Windows 98/Me. If your Windows NT systems is formatted with FAT partitions you can usually remove the virus by booting to DOS and using antivirus software. If the boot partition is NTFS, the system must be recovered by using the three Windows NT Setup disks. Examples of master boot record infectors are NYB, AntiExe, and Unashamed.

Multipartite viruses
Multipartite (also known as polypartite) viruses infect both boot records and program files. These are particularly difficult to repair. If the boot area is cleaned, but the files are not, the boot area will be reinfected. The same holds true for cleaning infected files. If the virus is not removed from the boot area, any files that you have cleaned will be reinfected. Examples of multipartite viruses include One_Half, Emperor, Anthrax and Tequilla.
Macro viruses
These types of viruses infect data files. They are the most common and have cost corporations the most money and time trying to repair. With the advent of Visual Basic in Microsoft's Office 97, a macro virus can be written that not only infects data files, but also can infect other files as well. Macro viruses infect Microsoft Office Word, Excel, PowerPoint and Access files. Newer strains are now turning up in other programs as well. All of these viruses use another program's internal programming language, which was created to allow users to automate certain tasks within that program. Because of the ease with which these viruses can be created, there are now thousands of them in circulation. Examples of macro viruses include W97M.Melissa, WM.NiceDay and W97M.Groov.

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Anti Virus Guide

Modern Diseases: Computer Viruses and Virus Treatment

Computer Virus and Computer Worms and Definitions

Starting with S

Here is the difference between Virus, Worms and a Trojan Horse

Trojan Horse

Worms

Computer Virus

At the end of the list of PC Virus, Trojans and Worms is a list of the Five Types of Viruses. Symantec AntiVirus can detect and clean, from your PC, any Virus, Trojan or Worm on this list.

Virus Threats starting with “S”

Five recognized types of viruses

File infector viruses

Boot sector viruses

Master boot record viruses

Multipartite viruses

Macro viruses

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