Threat Description

Trojan-Dropper: W32/Peed.gen!A


Category: Malware
Type: Trojan-Dropper
Platform: W32
Aliases: Trojan-Dropper:W32/Peed.gen!A


This Generic Detection identifies malicious files that create a file directory under the temporary folder:

  • %temp%\E_4 (or %temp%\E_N4)


Automatic action

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

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

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

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

The newly created folder is used to store the following files, which may be dropped by various malware:

  • %temp%\E_4\krnln.fnr
  • %temp%\E_4\dp1.fne

The dropped files may be loaded in other processes to perform malicious activities.


Some variants may drop an executable files with random name inside a new created folder:

  • %windir%\system32\[folder with random names]

Some variants from this family are observed to have downloading capabilities.


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