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Trojan:W32/Agent.A

Classification

Category:

Malware

Type:

Trojan

Aliases:

  • Trojan:W32/Agent.A
  • Trojan-clicker.html.agent.a

Summary

Trojan:W32/Agent.A redirects infected machines to specified advertisement websites, resulting in unwanted pop-up advertisements and banners being displayed on the machine.

Removal

Technical Details

Agent.A arrives on the system as an HTML script file, which is saved to the Temporary Internet Files directory.

Activity

Upon execution, Agent.A displays a blank web page to hide its actual content.It attempts to bypass pop-up blockers such as the following:

  • Norton Internet Security popup blocker
  • Internet Explorer Popup blocker

It also adds the following cookie:

  • PayPopUpAds

This is used to track user's browsing habits.

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