Trojan:W32/Agent.EDY is a standalone trojan dropper. It drops two EXE files on the computer.

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Suspect a file is incorrectly detected (a False Positive)?

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest detection database updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    NOTE If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note You need administrative rights to change the settings.

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

Trojan:W32/Agent.EDY is detection of a trojan-dropper which is packed with a modified version of UPX file compressor.It drops two EXE files to the user's computer.The first file named Regscan.exe is dropped to the following location:

  • C:\windows\system32\regscan.exeSHA1: 28c80315dfa691f1fb0b5b5cf3a253e416541f53

It also drops a 3Kb sized file that is named the same as the sample itself to:

  • C:\Documents and Settings\[UserName]\Local Settings\Temp\

Registy ChangesLaunch point:

  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run\Regscan

Add these value to registry:

  • HKCU\Software\Microsoft\Internet Explorer\Settings\GID
  • HKCU\Software\Microsoft\Internet Explorer\Settings\GatesList
  • HKCU\Software\Microsoft\Internet Explorer\Settings\KeyE
  • HKCU\Software\Microsoft\Internet Explorer\Settings\KeyM

Regscan.exe posts a file called bang.cgi to various IP addresses.