Threat Description

Rogue:​W32/​IEDefender

Details

Aliases: Rogue:W32/IEDefender, Rogue:W32/IEDefender, FraudTool.Win32.IeDefender Trojan.Generic.507215, Application.Generic.113716, Program:Win32/IEDefender (Microsoft)
Category: Malware
Type: Rogue
Platform: W32

Summary


Dishonest antivirus software which tricks users into buying or installing it, usually by infecting a user's computer, or by pretending the computer is infected.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.



Technical Details


This is the family description for the Rogue:W32/IEDefender family of rogue anti-malware programs.Variants in the IEDefender family are suspect anti-malware programs that generate fake or exaggerated scan results, in an attempt to trick users to purchase their products.

Installation

IEDefender variants are commonly installed or downloaded by trojans. Their installation usually starts by launching an installer like the one shown below:

It will then create these files :

  • %desktop%IE Defender 2.4.lnk
  • %start menu%\IE Defender 2.4.lnk
  • %program files%IE Defender
  • %program files%IE Defender\iedefender.db1
  • %program files%IE Defender\iedefender.db2
  • %program files%IE Defender\iedefender.db3
  • %program files%IE Defender\iedefender.db4
  • %program files%IE Defender\iedefender.db5
  • %program files%IE Defender\iedefender.exe
  • %program files%IE Defender\Uninstall.exe
Activity

When launched, the rogueware scan the system, displaying screens as below. Note the various product names used: IE Defender Scan & Clean, Scan & Clean, AntiSpy Pro Scan & Clean. These are known variants of this rogueware family. Once the scan is complete, the program shows fake or exaggerated scan results, in order to pressure the user to buy the product.






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