Browser hijacking is the modification of a web browser's settings by malware. The term "hijacking" is used as the changes are performed without the user's permission. Some browser hijacking can be easily reversed, while other instances may be difficult to reverse. Various software packages exist to prevent such modification.
How do I know if my browser has been hijacked? Edit
- Home page or other settings change on your computer. Links are added that point to websites that you'd usually avoid.
- You can't navigate to certain web pages, such as antispyware and other security software sites.
- A seemingly endless barrage of ads pops up on your screen.
- New toolbars or Favorites are installed that give you icons and links to web pages that you don't want.
- Your computer runs sluggishly. Malicious software can slow down your computer.
- "How do I know if my browser has been hijacked?" section: Microsoft, "What is browser hijacking?" (full-text).
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