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  Kory · August 17, 2010 at 7:30 am

  It always varies because there are MANY different trojan horses. But in most cases, your computer will just act very strangely, with things like your homepage changing, slow internet connection, lagging computer, and pop-ups.

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  Carella · August 17, 2010 at 7:30 am

  There are all different kinds of viruses/trojans etc. Each and every one can do different harm to a computer.

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  T G · August 17, 2010 at 7:30 am

  the same items keep loading into the ‘msconfig’ startup tab

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  jan · August 17, 2010 at 7:30 am

  The symptom to watch out for is this.
  When you run a virus scan the anti-virus reports that you are infected with a Trojan.
  ///

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  R Murali · August 17, 2010 at 7:30 am

  A trojan horse is a program that infects your computer and allows a hacker to run hidden tasks behind your back. A Trojan infection can allow total remote access to your computer by a third party.

  If you experience any of the following symptoms, you have been infected by one of the most dangerous type of individuals. These non-stealth hackers are known to destroy data and crash computers when they grow tired of playing their games JUST A FEW TO MENTION!!!

  1. Your CD-ROM drawer opens and closes by itself

  2. Your computer screen flips upside down or inverts

  3. Your wall paper or background settings change by themselves

  4. Documents or messages print on your printer by themselves

  5. Your computer browser goes to a strange or unknown web page by itself

  6. Your windows color settings change by themselves

  7. Your screen saver settings change by themselves

  8. Your right and left mouse buttons reverse their functions

  9. Your mouse pointer disappears

  10. Your mouse moves by itself

  11. Your mouse starts leaving trails

  12. Your computer plays recordings of things recorded in your computer room

  13. Your sound volume changes by itself

  14. Your Windows Start button disappears

  15. Programs load or unload by themselves

  16. Your computer starts talking or conversing with you

  17. Your computer starts reading the contents of your computer clipboard

  18. Strange chat boxes appear on your computer and you are forced to chat with some stranger

  19. Strange Windows Warning, Info, error, or question boxes appear on your computer

  20. You get complaints from your ISP that your computer is IP scanning

  21. People that you are chatting with know too much personal information about you or your computer

  22. Other people can read your private IRC or ICQ messages

  23. People that you are talking to can see you or know what is inside your computer room

  24. Your time and date change on your computer by itself

  25. Your computer speaker starts and stops working by itself

  26. Your computer shuts down by itself

  27. Your computer shuts down and powers off by itself

  28. Your Task bar disappears

  29. Your account passwords are changed or others can access your accounts

  30. You have strange purchases that you never made on your credit card statement.

  31. Your modem dials and connects to the Internet by itself

  32. Your modem or hard disk lights flash you are not using your computer

  33. Your files are in use when you are not accessing them.

  34. Your keyboard or mouse freezes

  35. Ctrl + Alt + Del stops working

  36. When you reboot your computer you get a message telling you that there are other users still connected

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  Golden Ray · August 17, 2010 at 7:30 am

  A trojan (or trojan horse) is a malicious computer program that is disguised as a harmless application or is secretly integrated into legitimate software. It usually carries a destructive payload. A trojan gets silently installed and hides from the user. These parasites are very similar to the regular viruses and therefore are quite difficult to detect and completely disable. Originally trojans were not intended to replicate by themselves. However, some recent threats have additional components, which enable their propagation. The trojan’s payload varies depending on its author’s intentions. It usually provides the attacker with unauthorized remote access to a compromised computer, infects files and damages the system, drops other dangerous parasites or steals user sensitive information.

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  SUBBA · August 17, 2010 at 7:30 am

  I suggest that you try to carryout system restore to a day previous to the day when there was no virus or any problems. It may be a few weeks or months back. You have to decide the date. Detailed instructions are posted at http://fixit.in/systemrestore.html
  The problem is likely to be solved. Then,You insatll a standard antivirus soft ware such as Norton, AVG , Avast ( free antivirus software and Ad-aware, Ewido ( free spyware removers). You can download free softwares at
  http://fixit.in/antivirus.html and http://fixit.in/spywareremover.html

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